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14%
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15%
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15%
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3
13%
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6
14%
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14%
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15%
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15%
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16%
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3
14%
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14%
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14%
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18
15%
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24
15%
₹ 2,182
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Why S.M.S.L 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.
Specialist
A masterpiece from experts who know audio inside and out 🔧!
I tend to describe specialist manufacturers as "audio artisans" who focus exclusively on perfecting specific categories of equipment. These products are meticulously crafted by dedicated experts who possess deep knowledge of sound reproduction, ensuring every technical aspect is refined to perfection. Think of them like master craftsmen who spend their entire careers perfecting one specific skill - their focused expertise shows in every detail.
These dedicated experts bring years of specialised knowledge to the design process, resulting in products that consistently achieve exceptional performance standards through focused engineering excellence 🎯.
When you see "🌟 Specialist" products, expect focused expertise from manufacturers who dedicate their entire efforts to perfecting specific audio equipment categories.
Born in 2009
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.
Incredibly Popular
Some things deserve all the attention ⭐!
I've found that when something becomes incredibly popular in the audio world, it's usually for very good reasons. This exceptional audio gear has earned widespread popularity by consistently delivering outstanding performance that resonates with listeners across diverse preferences and experiences. Think of it like that blockbuster movie that everyone loves - sometimes, universal appeal indicates genuine quality rather than just marketing hype.
The widespread acclaim isn't just about trend or marketing - it's a testament to genuine quality and performance that has been consistently demonstrated through real-world usage. This popularity has been earned through merit, delivering reliable satisfaction to countless users 📈.
When you encounter "🥇 Incredibly Popular" products, expect proven excellence validated by the collective experience of satisfied users who've made these their go-to choice.
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.
Use Wirelessly with Bluetooth
I tend to describe Bluetooth audio as wireless freedom with fewer strings attached — literally. When you see Use Wirelessly with Bluetooth, it means you can pair your headphones or IEMs with phones, laptops, or even TVs — all without reaching for a cable 🎶. It’s convenient, clutter-free, and great for everyday listening.
What’s happening behind the scenes is your gear is using Bluetooth codecs like SBC, AAC, LDAC, or aptX to compress and transmit your music wirelessly. Better codecs mean higher quality and lower latency. Of course, there’s a trade-off — Bluetooth won’t match the quality of wired gear, but today’s advancements have made the gap much smaller than before.
When you see '✂️ Use Wirelessly with Bluetooth' products, expect: tangle-free convenience and solid sound quality — great for commuting, workouts, or casual listening.
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.
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.
DESCRIPTION
EQUIPPED WITH FLAGSHIP ES9038 DAC & ES9311 POWER CHIP FOR PREMIUM HIGH-QUALITY SOUND
Powered with the flagship ES9038 DAC chip, the SMSL SU-9 also comes with an ES9311 power chip that encourages the ES9038 to realise its full potential covering a frequency range of 20 to 40kHz. Every digital audio input on the SU-9 supports DSD decoding while the DoP64 is supported using coaxial and optical only.

EXPERIENCE A REMARKABLY DETAILED SOUND WITH FULL MQA SUPPORT
Analogue to digital audio conversion causes blurring transient response that reduces audio clarity. MQA eliminates this distortion to create a true 3D sound field that makes all the difference. MQA uses 24/192 recording to remove those distortions at the beginning and the end of the transient response.



MQA DECODER & MQA RENDERER ROLLED IN ONE FOR FULL-FLEDGED MQA DELIGHT
Post distortion removal, MQA adapts large-sized music files to adapt according to the playback device using a process called 'musical origami'. The MQA decoder upgrades sound way beyond the CD quality and supports Bluesound, Pioneer, Onkyo's player along with the ROON streaming service. The MQA renderer completes the setup turning SMSL SU-9 into a full-blown MQA enabled device allowing you to enjoy sound in its purest studio quality just like the artist intended.



WITH STUNNING ANODISED ALUMINIUM ALLOY BODY AND UAT COMPATIBILITY
Made out of precise CNC milled Aluminium Alloy, the body of the SMSL SU-9 sports an anodized and chamfered finish that not only adds to the charm but also makes the SU-9 durable. This incredible DAC supports SBC, AAC, APTX, APTX HD, LDAC and an incredibly detailed Ultra Audio Transmission (UAT) format developed by HiBy. UAT is compatible with up to 192kHz sampling frequency or 1.2 Mbps bit rate. It offers three settings—1.2Mbps, medium 900 kbps and low 600kbps.
Note: Kindly note that both transmitter and receiver are needed to support UAT which can be accessed using the HiByMusic app on Android devices.


SUPER LOW JITTER AND THD+N FOR INTERFERENCE-FREE AUDIO
The jitter levels of the coaxial are ultra-low at 27ps while the Thd+N and intermodulation distortion are very low. The power source of the SU-9 has a low noise conditioner that enhances sound quality and power efficiency.




EASE IN WITH A VOLUME KNOB, REMOTE & FULL-FLEDGED CONNECTIVITY OPTIONS
Paired with a volume knob, display and a remote the SMSL SU-9 makes it easy for you to manage your music. It also takes care of connection needs with a range of audio inputs including Bluetooth, USB, AC IN, Coaxial and Optical inputs. It also has an RCA output and a 3-Pin XLR balanced output.




SPECS
INPUTS | USB/Optical/Coaxial/Bluetooth |
OUTPUTS | RCA/XLR |
THD+N | 0.00009%(-121 dB) |
DYNAMIC RANGE | XLR 130dB RCA 123dB |
SNR | 130dB |
OUTPUT IMPEDANCE | XLR 207Ω RCA 142Ω |
USB TRANSMISSION | Asynchronization |
USB COMPATIBILITY | Windows 7+, Mac OS X, Linux |
BIT DEPTH | USB 1 bit,16-32 Bit Optical/Coaxial 1 bit,16-24 BIT |
SAMPLING RATE | USB PCM 44.1-768kHz DSD 2.8224-22.5792MHZ Optical/Coaxial PCM 44.1-192kHZ DSD dsd64(DoP) |
UAT | 24 BIT/192kHz (1200kbps/900kbps/600kbps) |
LDAC | 24 BIT/96kHz (990kbps/660kbps/330kbps) |
APTX-HD | 24 BIT/48 kHz-576kbps |
APTX | 16 bit/44.1 kHz-352kbps |
SBC | 16 bit/44.1 kHz-328kbps |
AAC | 16 bit/44.1 kHz-320kbps |
POWER CONSUMPTION | 5W |
STANDBY POWER | <0.5W |
SIZE | 187.5X154X40 mm (WxHxD) |
WEIGHT | 0.79kg |
BOX CONTENTS | 1. S.M.S.L SU-9 Balanced MQA DAC |
2. 1 X Remote Control | |
3. 1 X USB Cable | |
4. 1 X Power Cable | |
5. User Manual |


OTHER DETAILS
GENERIC NAME | Digital Audio Converter |
IMPORTER DETAILS | Importers Name: Ferrari Video Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020 Contact No: 044-24420733 |
NET QUANTITY | 1 |
PACKAGE CONTENTS | S.M.S.L SU-9 Balanced MQA DAC 1 X Remote ControL, 1 X USB Cable 1 X Power Cable User Manual |
![]() Desktop Digital To Analog Converter (DAC)
|
FAQs
What is the warranty like on the S.M.S.L SU-9?
The warranty period of the S.M.S.L SU-9 is of 1 years. In order to claim warranty, please visit our S.M.S.L Warranty Page We are very helpful guys, just saying.
Which DAC Chip does the S.M.S.L SU-9 use?
The S.M.S.L SU-9 features ESS ES9038PRO DAC Chip that delivers a great audiophile grade sound quality.
Does the S.M.S.L SU-9 support any Bluetooth Codecs?
Yes, the S.M.S.L SU-9 does support Bluetooth codecs like AAC,SBC,aptX,aptX HD,LDAC and UAT.
Does the SU-9 support Bluetooth Ultra Audio Transmission (UAT)? What is UAT?
Yes, the SU-9 supports the Ultra Audio Transmission (UAT) codec. UAT, developed by HiBy, is a Bluetooth audio codec that supports high-quality audio transmission of up to 24Bit/192kHZ.
Does the S.M.S.L SU-9 support Hi-Res Audio?
Yes! The S.M.S.L SU-9 does support Hi-Res Audio that makes sure you always have the best sound output.
EQUIPPED WITH FLAGSHIP ES9038 DAC & ES9311 POWER CHIP FOR PREMIUM HIGH-QUALITY SOUND
Powered with the flagship ES9038 DAC chip, the SMSL SU-9 also comes with an ES9311 power chip that encourages the ES9038 to realise its full potential covering a frequency range of 20 to 40kHz. Every digital audio input on the SU-9 supports DSD decoding while the DoP64 is supported using coaxial and optical only.

EXPERIENCE A REMARKABLY DETAILED SOUND WITH FULL MQA SUPPORT
Analogue to digital audio conversion causes blurring transient response that reduces audio clarity. MQA eliminates this distortion to create a true 3D sound field that makes all the difference. MQA uses 24/192 recording to remove those distortions at the beginning and the end of the transient response.



MQA DECODER & MQA RENDERER ROLLED IN ONE FOR FULL-FLEDGED MQA DELIGHT
Post distortion removal, MQA adapts large-sized music files to adapt according to the playback device using a process called 'musical origami'. The MQA decoder upgrades sound way beyond the CD quality and supports Bluesound, Pioneer, Onkyo's player along with the ROON streaming service. The MQA renderer completes the setup turning SMSL SU-9 into a full-blown MQA enabled device allowing you to enjoy sound in its purest studio quality just like the artist intended.



WITH STUNNING ANODISED ALUMINIUM ALLOY BODY AND UAT COMPATIBILITY
Made out of precise CNC milled Aluminium Alloy, the body of the SMSL SU-9 sports an anodized and chamfered finish that not only adds to the charm but also makes the SU-9 durable. This incredible DAC supports SBC, AAC, APTX, APTX HD, LDAC and an incredibly detailed Ultra Audio Transmission (UAT) format developed by HiBy. UAT is compatible with up to 192kHz sampling frequency or 1.2 Mbps bit rate. It offers three settings—1.2Mbps, medium 900 kbps and low 600kbps.
Note: Kindly note that both transmitter and receiver are needed to support UAT which can be accessed using the HiByMusic app on Android devices.


SUPER LOW JITTER AND THD+N FOR INTERFERENCE-FREE AUDIO
The jitter levels of the coaxial are ultra-low at 27ps while the Thd+N and intermodulation distortion are very low. The power source of the SU-9 has a low noise conditioner that enhances sound quality and power efficiency.




EASE IN WITH A VOLUME KNOB, REMOTE & FULL-FLEDGED CONNECTIVITY OPTIONS
Paired with a volume knob, display and a remote the SMSL SU-9 makes it easy for you to manage your music. It also takes care of connection needs with a range of audio inputs including Bluetooth, USB, AC IN, Coaxial and Optical inputs. It also has an RCA output and a 3-Pin XLR balanced output.




INPUTS | USB/Optical/Coaxial/Bluetooth |
OUTPUTS | RCA/XLR |
THD+N | 0.00009%(-121 dB) |
DYNAMIC RANGE | XLR 130dB RCA 123dB |
SNR | 130dB |
OUTPUT IMPEDANCE | XLR 207Ω RCA 142Ω |
USB TRANSMISSION | Asynchronization |
USB COMPATIBILITY | Windows 7+, Mac OS X, Linux |
BIT DEPTH | USB 1 bit,16-32 Bit Optical/Coaxial 1 bit,16-24 BIT |
SAMPLING RATE | USB PCM 44.1-768kHz DSD 2.8224-22.5792MHZ Optical/Coaxial PCM 44.1-192kHZ DSD dsd64(DoP) |
UAT | 24 BIT/192kHz (1200kbps/900kbps/600kbps) |
LDAC | 24 BIT/96kHz (990kbps/660kbps/330kbps) |
APTX-HD | 24 BIT/48 kHz-576kbps |
APTX | 16 bit/44.1 kHz-352kbps |
SBC | 16 bit/44.1 kHz-328kbps |
AAC | 16 bit/44.1 kHz-320kbps |
POWER CONSUMPTION | 5W |
STANDBY POWER | <0.5W |
SIZE | 187.5X154X40 mm (WxHxD) |
WEIGHT | 0.79kg |
BOX CONTENTS | 1. S.M.S.L SU-9 Balanced MQA DAC |
2. 1 X Remote Control | |
3. 1 X USB Cable | |
4. 1 X Power Cable | |
5. User Manual |


OTHER DETAILS
GENERIC NAME | Digital Audio Converter |
IMPORTER DETAILS | Importers Name: Ferrari Video Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020 Contact No: 044-24420733 |
NET QUANTITY | 1 |
PACKAGE CONTENTS | S.M.S.L SU-9 Balanced MQA DAC 1 X Remote ControL, 1 X USB Cable 1 X Power Cable User Manual |
![]() Desktop Digital To Analog Converter (DAC)
|
What is the warranty like on the S.M.S.L SU-9?
The warranty period of the S.M.S.L SU-9 is of 1 years. In order to claim warranty, please visit our S.M.S.L Warranty Page We are very helpful guys, just saying.
Which DAC Chip does the S.M.S.L SU-9 use?
The S.M.S.L SU-9 features ESS ES9038PRO DAC Chip that delivers a great audiophile grade sound quality.
Does the S.M.S.L SU-9 support any Bluetooth Codecs?
Yes, the S.M.S.L SU-9 does support Bluetooth codecs like AAC,SBC,aptX,aptX HD,LDAC and UAT.
Does the SU-9 support Bluetooth Ultra Audio Transmission (UAT)? What is UAT?
Yes, the SU-9 supports the Ultra Audio Transmission (UAT) codec. UAT, developed by HiBy, is a Bluetooth audio codec that supports high-quality audio transmission of up to 24Bit/192kHZ.
Does the S.M.S.L SU-9 support Hi-Res Audio?
Yes! The S.M.S.L SU-9 does support Hi-Res Audio that makes sure you always have the best sound output.

ESS ES9038PRO
ESS ES9038PRO
ESS Sabre ES9039MPRO
RCA, XLR
RCA, XLR
RCA, XLR
UAT, LDAC & AptX HD
LDAC, AptX HD, SBC & AAC
LDAC, AptX HD, SBC & AAC
USB, Optical, Coaxial, Bluetooth
USB, Optical, Coaxial, Bluetooth
USB, Optical, Coaxial, Bluetooth
USB PCM 44.1-768kHz
DSD 2.8224-22.5792MHZ
Optical/Coaxial PCM 44.1-192kHZ
DSD Dsd64(DoP)
USB PCM 44.1 ~ 768kHz
DSD 2.8224 ~ 22.5792MHz
Optical/Coaxial PCM 44.1 ~ 192kHz
DSD DSD64(DoP)
USB PCM - 44.1 ~ 768kHz(32bit)
DSD - 2.8224 ~ 22.5792MHz(1bit)
Optical / Coaxial - 44.1 ~ 192kHz(24bit)
DoP - DoP256(USB),DoP64(Optical / Coaxial)
S.M.S.L SU-9 Balanced MQA DAC, 1 X Remote Control, 1 X USB Cable, 1 X Power Cable, User Manual
S.M.S.L SU-9n DAC, 1 X Remote Control, 1 X USB Cable, Bluetooth Antenna, Power Cable, User Manual
S.M.S.L SU-9 Pro DAC & 1 X Remote Control
Don't sweat it, this
S.M.S.L - SU-9 comes with a 1 Year warranty
from S.M.S.L that covers manufacturing defects.
All products featured on Headphone Zone are backed by an original manufacturer's warranty.
Read more about S.M.S.L's warranty in India.

"The SMSL SU-9 is a DAC with a great selection of inputs and outputs that would look great on any desktop setup. At its core, the SU-9 is a great DAC with a thick and smooth sound signature."
Read More"They make good, value-for-money products, and this one, in particular, is a performer. You can get an SH-9 for a perfect match and go fully balanced to utilize their maximum potential."
Read More"If you are in the market for an ESS-based DAC, and your budget allows, there are very few reasons you should be considering anything else than the SU-9. Clear and bright screen, Included remote."
Read More"Linear sound with dead neutral tone, Coherent and layered presentation, Outstanding resolution, Intuitive UI with remote, Effective sound colour modes, High-quality BT implementation."
Read More"I think that SMSL did an excellent job with their new SU-9. It’s a very natural and pleasant sounding DAC loaded with functions. On top of that, it is built to last, has a great choice of inputs/outputs."
Read More