



FiiO - K11 (Ex-Demo Unit)
Desktop DAC & AmpGET 18% GST INPUT
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Why FiiO is Special
Designed in China
🎖️ Established & Reputed
Trust us, our reputation speaks for itself 🏆!
I believe that when a brand has decades of proven excellence, you can invest with confidence knowing your purchase is backed by years of audio engineering expertise. These products come from manufacturers with extensive histories of innovation and unwavering commitment to sonic excellence. Think of them like luxury watch brands - their reputation has been earned through decades of consistent quality and innovation.
With their extensive history of innovation and countless satisfied customers worldwide, you can be confident your investment is backed by proven audio engineering expertise and industry leadership 📈.
When you see "🎖️ Established & Reputed" products, expect time-tested excellence from manufacturers who've consistently demonstrated mastery in audio engineering for generations.
🙌🏻 Revered by Audiophiles
Audiophiles can be really picky 😤, and if the audiophile community says something sounds good, you can bet it's exceptional! I believe that earning audiophile reverence is like getting a standing ovation from music critics - it doesn't happen unless you've truly achieved something special. This audio gear has earned widespread acclaim from audiophiles worldwide, a community renowned for exacting standards and unwavering commitment to high-fidelity reproduction.
These discerning enthusiasts particularly value its extraordinary precision in sound reproduction and remarkable capability to create thoroughly immersive listening experiences. The audiophile community's endorsement carries significant weight because of their extensive experience with high-end equipment 🏆.
When you see "🙌🏻 Revered by Audiophiles" products, expect audiophile-grade excellence that satisfies even the most demanding listeners and consistently exceeds the highest standards.
Born in 2007
Why we love this DAC/Amp
🥜 Value for Money
I've found that the best gear isn’t always the most expensive. Some products punch well above their weight and deliver performance that rivals higher-priced alternatives. That’s what we mean with the "Value for Money" badge. It’s our way of telling you that you’re getting something special without breaking the bank. 🥜
These products are all about maximum returns for minimal investment. You’re not just saving money — you’re gaining an audio experience that exceeds expectations. Whether it’s build quality, tuning, or bundled accessories, these picks overdeliver.
When you see '🥜 Value for Money' products, expect impressive performance at an affordable price, making them a smart pick for budget-conscious buyers or first-time audiophiles.
🪴 For Budding Enthusiasts
In my experience, discovering good audio gear early on is a bit like tasting great coffee for the first time — once you've had a sip, you're hooked. "For Budding Enthusiasts" is a badge we use for products that are perfect gateways into the audiophile world. They're easy to use, not overly expensive, and give you a real taste of what good sound can be — without needing a degree in audio engineering. 🎧
These are the IEMs, headphones, and DACs that let you dip your toes into premium sound without drowning in choices. They balance performance, price, and practicality beautifully. Whether you're buying your first serious pair or helping someone else start their journey, these picks deliver satisfaction straight out of the box.
When you see '🪴 For Budding Enthusiasts' products, expect simple setups, solid sound quality, and an easy upgrade path — perfect for your first foray into better audio.
🦋 Audiophile Community Favourite
When I see a product that keeps coming up in forums, Reddit threads, and community meet-ups, I know it’s earned its place. "Audiophile Community Favourite" is our way of spotlighting the gear that real listeners — not just reviewers — swear by. 🦋
These are products that enjoy a sort of cult following for all the right reasons: consistently great tuning, build, and value. They're the kind of recommendations you'd get from a friend deep in the hobby. If you're the type who likes going with a proven crowd-pleaser, these picks are beloved by thousands of ears.
When you see '🦋 Audiophile Community Favourite' products, expect reliable recommendations backed by passionate users, often refined over years of trust and love from the community.
🏠 For Audiophiles at Home
I’ve always loved the ritual of coming home, settling into my favourite chair, and firing up a dedicated setup. Gear labelled For Audiophiles at Home is made for those moments — when you can really sit back and appreciate music in its purest form 🛋️. These products tend to be more powerful, larger, and often require wall power — perfect for a stationary rig.
Here’s the trade-off: these setups often involve external DACs, amps, or full-size headphones, which means more space, more power, but also more immersive listening. They shine when used in quiet environments, where detail, depth, and dynamics can truly be appreciated.
When you see '🏠 For Audiophiles at Home' products, expect: exceptional fidelity, stronger output, and the kind of soundstage that makes you never want to leave your listening chair.
🔗 Connect With Cable
In my experience, there’s still nothing like the dependability of a wired connection when it comes to audio 🎧. I love describing it as the direct flight of music — no delays, no turbulence. When a product says “Connect with Cable,” it means you’re getting the most reliable signal path, with zero wireless compression and minimal interference.
Here’s what’s actually happening: a physical cable transmits uncompressed analog or digital signals directly from your source to your gear. This results in lower latency, no signal drops, and consistently better sound — especially when paired with a good DAC or amp. It’s ideal for critical listening, gaming, and professional use. The trade-off? You’re tethered — but for a lot of audiophiles, that’s a small price to pay for sonic purity.
When you see '🔗 Connect With Cable' products, expect: pure, uninterrupted sound quality that lets your gear perform at its full potential — perfect for focused, high-fidelity listening.
Why it Sounds Amazing
⚙️ DAC Chip
I like to say the DAC chip is the heart of any audio device — it’s the part that actually transforms digital files into music you can hear 🎧. Think of it like a chef decoding a recipe to create a delicious meal. The better the DAC chip, the more faithfully it translates your music. And in my experience, a great DAC can completely change how your headphones sound.
Now, here’s what’s actually happening: a Digital-to-Analog Converter (DAC) takes digital signals (your MP3s, FLACs, or streams) and converts them into an analog waveform your ears can enjoy. Different DAC chips — like those from ESS, AKM, or Cirrus Logic — offer their own sound signatures, levels of clarity, and noise performance. A good DAC ensures accurate timing, minimal distortion, and exceptional resolution.
When you see '⚙️ DAC Chip' products, expect: clean, detailed audio and better synergy with high-quality headphones — perfect for anyone upgrading from average sound to audiophile quality.
🚀 Power Output
I like to think of power output in audio gear like engine horsepower, it determines how much muscle your setup really has 💪. Whether you’re trying to drive a pair of power-hungry planar headphones or just want headroom for dynamic peaks, power output is the spec you want to check first.
Technically, it refers to the amount of electrical power (measured in mW or Watts) an amp or DAC/Amp combo can deliver to your headphones. More power means better control, improved dynamics, and the ability to handle demanding gear without distortion. But more isn’t always better, too much power with sensitive IEMs can introduce hiss or harshness.
When you see '🚀 Power Output' products, expect: strong driving capability, better dynamics, and optimal performance with headphones that need serious juice to shine.
⚖️ Balanced Output
I often say balanced output is like using both hands to carry something heavy — it distributes power evenly and keeps things stable. In audio gear, balanced output helps reduce unwanted noise and interference, especially over longer cables. Think of it as a cleaner, more efficient way to transmit your music, ideal for anyone using high-end DACs, amps, or studio-grade headphones 🎧. You’ll typically find it on gear with XLR or 4.4mm connectors, and it's a must-have if you’re chasing that ultra-clean signal path.
Here’s what’s actually happening: a balanced output uses two separate signals, one inverted, so when interference is picked up along the cable, it gets cancelled out when the signals are recombined. The result? Cleaner audio, better dynamic range, and more power output — especially when paired with balanced headphones. The trade-off? You’ll need gear that supports balanced connections on both ends to really enjoy the benefits.
When you see '⚖️ Balanced Output' products, expect: ultra-low noise, more headroom, and better synergy with high-impedance headphones or sensitive IEMs — ideal for serious listening setups.
🔬 Decodes Upto
When I see "Decodes up to" listed in product specs, I think of it like a music translator that speaks more languages than you’ll ever need. It tells you how far a DAC or audio device can go in handling hi-res formats—think PCM, DSD, or MQA—and at what resolution. 🧠🎶
Technically, this refers to the maximum bit depth and sample rate a DAC can process—like 32-bit/768kHz PCM or DSD512. The higher these numbers, the more detailed and lifelike the audio can potentially sound. But remember, real-world improvements depend on the recording quality and your headphones, not just specs alone.
DEMO UNIT
Headphone Zone Certified Demo Headphones
Our careful selection of demo headphones gives you the experience of pre-burned in headphones - at drop dead prices. We do this sale every year to clear up our existing demos and to make way for new units instead. These demo headphones have been used at our Experience Studio in Mumbai. The pictures above depict the condition of the product and also indicate the accessories available with the headphone. For any specific questions about the condition please get in touch with us! While the product itself is fully tested by our Headphone Gurus and the outer packaging may have suffered some damage.
Get The Best Deal
You may or may not get the original packaging or some accessories may be missing & because of the fact that they've been extensively used as a demo at the Experience Studio, we give a good discount compared to a new gear.
Unchanged Policies
Received a defective Demo unit? Return it under our 7 Day Replacement Guarantee Policy.
P.S. If you do not like your gear, unfortunately we will not be able to accept the return.
Pre-Burned In
Demo headphones save you the time of burning in new headphones. Typically, brand new headphones take up to weeks to fully break in and sound as good as they should. With demo headphones, you get to enjoy the best sound out of the box.
Unbiased Customer Service
We have the same Headphone Zone customer support experience for Demo Units or any products.
Consider It Vintage
Vintage products have a certain charm that cannot be put into words. Think of old, discontinued demo headphones as vintage. They have a story; they have, how-to-say, character.
Professionally Inspected
A thorough inspection means you receive a 100% working headphone with no sound output issues.
IN THE BOX
| BOX CONTENTS | 1. FiiO K11 (Demo Unit) |
| 2. 1x Power Adapter (Including AC Cable) | |
| 3. 1x USB A to C Cable | |
| 4. 1x Quick Start Guide |
| WARRANTY | No Warranty |
DESCRIPTION
FIIO INTRODUCES AN ALL-NEW DAC AND AMPLIFIER TO THEIR K SERIES - THE K11
The FiiO K11 is a brand-new USB DAC and Amp featuring a fully balanced design. With its CS43198 high-performance 32-bit DAC, the K11 excels at decoding high-resolution PCM and DSD signals. It offers a versatile range of input and output choices, including USB, Coaxial, and Optical inputs, as well as 4.4mm, 6.35mm, and RCA outputs. This pocket-friendly desktop DAC and Amp is compatible with various devices, making it a convenient choice for use with PCs, laptops, smartphones, and even gaming consoles like the PS5 and Nintendo Switch, ensuring a worry-free audio experience.

FEATURES A HIGH-PERFORMANCE DAC CHIP AND A SPECIALLY DESIGNED AUDIO CIRCUIT
Over the years, FiiO has introduced a range of successful USB DAC and Amp models and their latest, the K11, is meticulously crafted to ensure top-tier sound performance. It features a high-performance CS43198 DAC chipset that excels at decoding high-resolution 32-bit/384kHz PCM and Native DSD256 audio signals. The K11's sleek design houses a specially engineered audio circuit dedicated to delivering exceptional sound quality. Supported by over 16 low-noise LDOs for precise voltage regulation and powered by an external 12V switching power supply, this configuration ensures a cleaner and more stable power supply, resulting in consistently high-quality audio for an enjoyable music experience every time.

DELIVERS POWERFUL AMPLIFICATION WITH 3 LEVEL GAIN AND 3 VOLUME CURVES
The FiiO K11 stands as a highly capable USB DAC and Amp, offering a robust headphone amplifier section featuring three distinct gain modes. These modes produce a potent output, delivering up to 1400mW of clear sound at 32Ω of impedance load through the balanced connection output. The K11 is thoughtfully equipped with three separate gain levels, each with its volume curve. This versatile feature ensures an optimal listening experience with various headphone types, whether you're using sensitive earphones or more demanding over-ear headphones. The K11 relies on multiple low-noise LDOs for precise voltage regulation and an external 12V power supply, ensuring a pure and stable power source for high-quality audio performance.
CONNECT TO VARIOUS DEVICES WITH A VARIETY OF INPUT AND OUTPUT OPTIONS
The FiiO K11 offers a range of input and output options to cater to diverse audio setups. It features digital inputs via coaxial, optical, and USB, along with outputs through 4.4mm balanced, 6.35mm single-ended, and RCA analogue line-out connections. The K11 is designed to accommodate various audio needs without straining your budget. It supports USB, coaxial, and optical inputs, with the latter two allowing for inputs of up to 192kHz. The K11 amplifier is versatile for connecting to different music players and digital interfaces. It also supports 4.4mm and 6.35mm headphone outputs, RCA line-out, and coaxial outputs. Notably, the RCA line-out signal can be adjusted up to a maximum of 2Vrms, enabling the K11 portable DAC to interface with a variety of active speakers and external amplifiers.
EASY USB INPUT WITH DRIVER-FREE OPERATION AND LOW NOISE POWER SUPPLY
The FiiO K11 USB DAC and Amp ensure hassle-free USB connectivity with a wide range of devices. It operates seamlessly without the need for driver installations and is compatible with PCs, laptops, smartphones, tablets, and gaming consoles like PS5 and Nintendo Switch. The K11 incorporates a meticulously designed low-noise power supply unit, employing over 16 low-noise LDOs for precise voltage regulation and an external 12V power source. This configuration ensures consistent, stable power distribution to all components of the audio circuitry, enhancing overall performance.

EXPERTLY DESIGNED WITH A SCREEN, RGB LOGO AND MULTIFUNCTION KNOB
The FiiO K11 boasts a robust VA display screen, known for durability and clear visuals. This custom high-definition display offers excellent contrast and longevity, efficiently showing device status such as sampling rates, volume, gain, and output mode, enhancing the user experience. Moreover, the K11 features an illuminated RGB FiiO Logo that changes colours based on the active file's bitrate. You can customise brightness, colour, and patterns via the multi-function knob. Its minimalist design includes a versatile knob for power, volume, menu navigation, and more, and you can easily switch between Line-out and Phone-out modes with a double press. The slim aluminium body offers flexibility in placement, and a silicone anti-slip pad ensures stability.

SPECS
| HARDWARE SOLUTIONS | SoC: GD32F303RE, DAC:CS43198 USB decoding: SA9312L SPDIF decoding: MS8422N AMP: SGM8262-2*2 |
| VOLUME CONTROL | Volume knob |
| ADAPTIVE IMPEDANCE | PO: 8~150 Ohms BAL: 8~350 Ohms |
| DAC | CS43198 |
| MAIN CHIP | GD32F303RET6 |
| USB CONNECTOR | Type-C |
| SAMPLING RATE INDICATION | Show on display screen LOGO indicator light shows as default: Cyan: 48KHz and below/Yellow: 48kHz and above/Green: DSD |
| FIRMWARE UPGRADE | Supports upgrade through USB |
| DRIVER FREE MODE (SWITCH MODE) | Supported |
| MAX SUPPORTED SAMPLING RATE | 384kHz-32bit/DSD256 Native 16/24/32bit (USB DAC) 192kHz-24bit (Coaxial) 96KHz-24bit (Optical) |
| GAIN | L/M/H |
| FIIO CONTROL | N/A |
| WEIGHT | About 407g |
| COLOR | Black/Silver |
| DIMENSIONS | 147x133x32.3mm (Including feet) |
| POWER SUPPLY | DC 12V/2A |
| BATTERY CAPACITY | No battery |
| KNOB | Encoder knob (including volume adjusting and menu confirming) |
| SINGLE-ENDED LINE OUT | RCA port |
| DIGITAL COAXIAL IN | RCA port |
| BALANCED OUTPUT INTERFACE | Standard 4.4mm socket |
| USB | Type-C (data transmission) |
| DIGITAL OPTICAL IN | Optical port |
| DIGITAL COAXIAL OUT | RCA port (only works in USB mode) |
| HEADPHONE OUT | Standard 6.35mm port 4.4mm Balanced port |
| THD+N & NOISE | <0.00035% (1kHz/-0.3dB@10KΩ) |
| CROSSTALK | ≥120dB |
| FREQUENCY RESPONSE | 20Hz~50kHz: damping<0.1dB 20Hz~20KHz: damping<0.1dB |
| SNR | ≥126dB (A-weighted) |
| NOISE FLOOR | <0.9uV (A-weighted) |
| LINE OUTPUT LEVEL | 1.95Vrms |
| OUTPUT POWER | L+R≥720mW +720mW (16 Ohms, THD+N<1%) L+R≥520mW +520mW (32 Ohms, THD+N<1%) L+R≥60mW+60mW (300 Ohms, THD+N<1%) |
| SNR | ≥123dB (A-weighted) |
| FREQUENCY RESPONSE | 20Hz~50kHz: damping<0.2dB 20Hz~20KHz: damping<0.1dB |
| OUTPUT IMPEDANCE | <1.2 Ohms |
| CROSSTALK | ≥71dB |
| PEAK OUTPUT VOLTAGE | 12Vp-p |
| THD+N & NOISE | <0.00059% (1kHz/-8.1dB@32 Ohms) |
| NOISE FLOOR | <2.8uV (A-weighted) |
| OUTPUT POWER | L+R≥570mW+570mW (16 Ohms, THD+N<1%) L+R≥1400mW+1400mW (32 Ohms, THD+N<1%) L+R≥250mW+250mW (300 Ohms, THD+N<1%) |
| SNR | ≥123dB (A-weighted) |
| FREQUENCY RESPONSE | 20Hz~50kHz: damping<0.2dB 20Hz~20KHz: damping<0.1dB |
| OUTPUT IMPEDANCE | <2.4 Ohms |
| CROSSTALK | ≥106dB |
| PEAK OUTPUT VOLTAGE | 24.5Vp-p |
| THD+N & NOISE | <0.0010% (1kHz/-14.5dB@32 Ohms) |
| NOISE FLOOR | <4.9uV (A-weighted) |
| BOX CONTENTS | 1. FiiO K11 (Demo Unit) |
| 2. 1x Power Adapter (Including AC Cable) | |
| 3. 1x USB A to C Cable | |
| 4. 1x Quick Start Guide |
OTHER DETAILS
| GENERIC NAME | DAC & Amp |
| IMPORTER DETAILS | Importers Name: Ferrari Video Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020 Contact No: 044-24420733 |
| DIMENSIONS | 200x224.5x72mm |
| NET QUANTITY | 1 |
| MANUFACTURER DETAILS | Name: HK JADE Audio Technology CO., Limited Address: Room 1508, 15/F, Yalam Central Studio II, 625 Nathan Road, Kowloon, CHINA |
| PACKAGE CONTENTS | FiiO K11 (Demo Unit) Power Adapter (Including AC Cable) * 1 USB A to C Cable * 1 Quick Start Guide * 1 |
Headphone Zone Certified Demo Headphones
Our careful selection of demo headphones gives you the experience of pre-burned in headphones - at drop dead prices. We do this sale every year to clear up our existing demos and to make way for new units instead. These demo headphones have been used at our Experience Studio in Mumbai. The pictures above depict the condition of the product and also indicate the accessories available with the headphone. For any specific questions about the condition please get in touch with us! While the product itself is fully tested by our Headphone Gurus and the outer packaging may have suffered some damage.
Get The Best Deal
You may or may not get the original packaging or some accessories may be missing & because of the fact that they've been extensively used as a demo at the Experience Studio, we give a good discount compared to a new gear.
Unchanged Policies
Received a defective Demo unit? Return it under our 7 Day Replacement Guarantee Policy.
P.S. If you do not like your gear, unfortunately we will not be able to accept the return.
Pre-Burned In
Demo headphones save you the time of burning in new headphones. Typically, brand new headphones take up to weeks to fully break in and sound as good as they should. With demo headphones, you get to enjoy the best sound out of the box.
Unbiased Customer Service
We have the same Headphone Zone customer support experience for Demo Units or any products.
Consider It Vintage
Vintage products have a certain charm that cannot be put into words. Think of old, discontinued demo headphones as vintage. They have a story; they have, how-to-say, character.
Professionally Inspected
A thorough inspection means you receive a 100% working headphone with no sound output issues.
| BOX CONTENTS | 1. FiiO K11 (Demo Unit) |
| 2. 1x Power Adapter (Including AC Cable) | |
| 3. 1x USB A to C Cable | |
| 4. 1x Quick Start Guide |
| WARRANTY | No Warranty |
FIIO INTRODUCES AN ALL-NEW DAC AND AMPLIFIER TO THEIR K SERIES - THE K11
The FiiO K11 is a brand-new USB DAC and Amp featuring a fully balanced design. With its CS43198 high-performance 32-bit DAC, the K11 excels at decoding high-resolution PCM and DSD signals. It offers a versatile range of input and output choices, including USB, Coaxial, and Optical inputs, as well as 4.4mm, 6.35mm, and RCA outputs. This pocket-friendly desktop DAC and Amp is compatible with various devices, making it a convenient choice for use with PCs, laptops, smartphones, and even gaming consoles like the PS5 and Nintendo Switch, ensuring a worry-free audio experience.

FEATURES A HIGH-PERFORMANCE DAC CHIP AND A SPECIALLY DESIGNED AUDIO CIRCUIT
Over the years, FiiO has introduced a range of successful USB DAC and Amp models and their latest, the K11, is meticulously crafted to ensure top-tier sound performance. It features a high-performance CS43198 DAC chipset that excels at decoding high-resolution 32-bit/384kHz PCM and Native DSD256 audio signals. The K11's sleek design houses a specially engineered audio circuit dedicated to delivering exceptional sound quality. Supported by over 16 low-noise LDOs for precise voltage regulation and powered by an external 12V switching power supply, this configuration ensures a cleaner and more stable power supply, resulting in consistently high-quality audio for an enjoyable music experience every time.

DELIVERS POWERFUL AMPLIFICATION WITH 3 LEVEL GAIN AND 3 VOLUME CURVES
The FiiO K11 stands as a highly capable USB DAC and Amp, offering a robust headphone amplifier section featuring three distinct gain modes. These modes produce a potent output, delivering up to 1400mW of clear sound at 32Ω of impedance load through the balanced connection output. The K11 is thoughtfully equipped with three separate gain levels, each with its volume curve. This versatile feature ensures an optimal listening experience with various headphone types, whether you're using sensitive earphones or more demanding over-ear headphones. The K11 relies on multiple low-noise LDOs for precise voltage regulation and an external 12V power supply, ensuring a pure and stable power source for high-quality audio performance.
CONNECT TO VARIOUS DEVICES WITH A VARIETY OF INPUT AND OUTPUT OPTIONS
The FiiO K11 offers a range of input and output options to cater to diverse audio setups. It features digital inputs via coaxial, optical, and USB, along with outputs through 4.4mm balanced, 6.35mm single-ended, and RCA analogue line-out connections. The K11 is designed to accommodate various audio needs without straining your budget. It supports USB, coaxial, and optical inputs, with the latter two allowing for inputs of up to 192kHz. The K11 amplifier is versatile for connecting to different music players and digital interfaces. It also supports 4.4mm and 6.35mm headphone outputs, RCA line-out, and coaxial outputs. Notably, the RCA line-out signal can be adjusted up to a maximum of 2Vrms, enabling the K11 portable DAC to interface with a variety of active speakers and external amplifiers.
EASY USB INPUT WITH DRIVER-FREE OPERATION AND LOW NOISE POWER SUPPLY
The FiiO K11 USB DAC and Amp ensure hassle-free USB connectivity with a wide range of devices. It operates seamlessly without the need for driver installations and is compatible with PCs, laptops, smartphones, tablets, and gaming consoles like PS5 and Nintendo Switch. The K11 incorporates a meticulously designed low-noise power supply unit, employing over 16 low-noise LDOs for precise voltage regulation and an external 12V power source. This configuration ensures consistent, stable power distribution to all components of the audio circuitry, enhancing overall performance.

EXPERTLY DESIGNED WITH A SCREEN, RGB LOGO AND MULTIFUNCTION KNOB
The FiiO K11 boasts a robust VA display screen, known for durability and clear visuals. This custom high-definition display offers excellent contrast and longevity, efficiently showing device status such as sampling rates, volume, gain, and output mode, enhancing the user experience. Moreover, the K11 features an illuminated RGB FiiO Logo that changes colours based on the active file's bitrate. You can customise brightness, colour, and patterns via the multi-function knob. Its minimalist design includes a versatile knob for power, volume, menu navigation, and more, and you can easily switch between Line-out and Phone-out modes with a double press. The slim aluminium body offers flexibility in placement, and a silicone anti-slip pad ensures stability.

| HARDWARE SOLUTIONS | SoC: GD32F303RE, DAC:CS43198 USB decoding: SA9312L SPDIF decoding: MS8422N AMP: SGM8262-2*2 |
| VOLUME CONTROL | Volume knob |
| ADAPTIVE IMPEDANCE | PO: 8~150 Ohms BAL: 8~350 Ohms |
| DAC | CS43198 |
| MAIN CHIP | GD32F303RET6 |
| USB CONNECTOR | Type-C |
| SAMPLING RATE INDICATION | Show on display screen LOGO indicator light shows as default: Cyan: 48KHz and below/Yellow: 48kHz and above/Green: DSD |
| FIRMWARE UPGRADE | Supports upgrade through USB |
| DRIVER FREE MODE (SWITCH MODE) | Supported |
| MAX SUPPORTED SAMPLING RATE | 384kHz-32bit/DSD256 Native 16/24/32bit (USB DAC) 192kHz-24bit (Coaxial) 96KHz-24bit (Optical) |
| GAIN | L/M/H |
| FIIO CONTROL | N/A |
| WEIGHT | About 407g |
| COLOR | Black/Silver |
| DIMENSIONS | 147x133x32.3mm (Including feet) |
| POWER SUPPLY | DC 12V/2A |
| BATTERY CAPACITY | No battery |
| KNOB | Encoder knob (including volume adjusting and menu confirming) |
| SINGLE-ENDED LINE OUT | RCA port |
| DIGITAL COAXIAL IN | RCA port |
| BALANCED OUTPUT INTERFACE | Standard 4.4mm socket |
| USB | Type-C (data transmission) |
| DIGITAL OPTICAL IN | Optical port |
| DIGITAL COAXIAL OUT | RCA port (only works in USB mode) |
| HEADPHONE OUT | Standard 6.35mm port 4.4mm Balanced port |
| THD+N & NOISE | <0.00035% (1kHz/-0.3dB@10KΩ) |
| CROSSTALK | ≥120dB |
| FREQUENCY RESPONSE | 20Hz~50kHz: damping<0.1dB 20Hz~20KHz: damping<0.1dB |
| SNR | ≥126dB (A-weighted) |
| NOISE FLOOR | <0.9uV (A-weighted) |
| LINE OUTPUT LEVEL | 1.95Vrms |
| OUTPUT POWER | L+R≥720mW +720mW (16 Ohms, THD+N<1%) L+R≥520mW +520mW (32 Ohms, THD+N<1%) L+R≥60mW+60mW (300 Ohms, THD+N<1%) |
| SNR | ≥123dB (A-weighted) |
| FREQUENCY RESPONSE | 20Hz~50kHz: damping<0.2dB 20Hz~20KHz: damping<0.1dB |
| OUTPUT IMPEDANCE | <1.2 Ohms |
| CROSSTALK | ≥71dB |
| PEAK OUTPUT VOLTAGE | 12Vp-p |
| THD+N & NOISE | <0.00059% (1kHz/-8.1dB@32 Ohms) |
| NOISE FLOOR | <2.8uV (A-weighted) |
| OUTPUT POWER | L+R≥570mW+570mW (16 Ohms, THD+N<1%) L+R≥1400mW+1400mW (32 Ohms, THD+N<1%) L+R≥250mW+250mW (300 Ohms, THD+N<1%) |
| SNR | ≥123dB (A-weighted) |
| FREQUENCY RESPONSE | 20Hz~50kHz: damping<0.2dB 20Hz~20KHz: damping<0.1dB |
| OUTPUT IMPEDANCE | <2.4 Ohms |
| CROSSTALK | ≥106dB |
| PEAK OUTPUT VOLTAGE | 24.5Vp-p |
| THD+N & NOISE | <0.0010% (1kHz/-14.5dB@32 Ohms) |
| NOISE FLOOR | <4.9uV (A-weighted) |
| BOX CONTENTS | 1. FiiO K11 (Demo Unit) |
| 2. 1x Power Adapter (Including AC Cable) | |
| 3. 1x USB A to C Cable | |
| 4. 1x Quick Start Guide |
OTHER DETAILS
| GENERIC NAME | DAC & Amp |
| IMPORTER DETAILS | Importers Name: Ferrari Video Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020 Contact No: 044-24420733 |
| DIMENSIONS | 200x224.5x72mm |
| NET QUANTITY | 1 |
| MANUFACTURER DETAILS | Name: HK JADE Audio Technology CO., Limited Address: Room 1508, 15/F, Yalam Central Studio II, 625 Nathan Road, Kowloon, CHINA |
| PACKAGE CONTENTS | FiiO K11 (Demo Unit) Power Adapter (Including AC Cable) * 1 USB A to C Cable * 1 Quick Start Guide * 1 |

"The FiiO K11 provided a clean and uncolored signal that allowed every headphone to conserve the sound signature and sonic character without interfering their performance."
Read More"K11 ticks many of the boxes in terms of features as well as sonic performance. K11 is definitely one of the good products that is easily recommendable. Definitely a 4.5/5 product!"
Read More"The K11 does not color the sound or add any warmth or brightness but rather lets the headphones do the talking. The K11 has a wide and spacious soundstage and precise and accurate imaging."
Read More"What sets the K11 apart is the power supply circuit, which uses dedicated regulators for all critical power rails. The DC power brick should also make the K11 less reliant on the cleanliness of USB power. "
Read More"The FiiO K11 sports a sleek and modern design that marries functionality with aesthetics.Its compact dimensions ensure that it won’t dominate your desk space. "
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