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DAC & Headphone AmplifierGET 18% GST INPUT
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Browse EMI Plans
Low Cost EMI Options through Credit Cards
ICICI Bank
3
Low Cost EMI
₹ 15,401
₹ 1,205
₹ 971
6
Low Cost EMI
₹ 7,853
₹ 2,122
₹ 1,717
9
15.99%
₹ 5,339
₹ 3,051
12
15.99%
₹ 4,083
₹ 3,992
18
15.99%
₹ 2,828
₹ 5,910
24
15.99%
₹ 2,203
₹ 7,875
HDFC Bank
3
Low Cost EMI
₹ 15,401
₹ 1,205
₹ 971
6
Low Cost EMI
₹ 7,854
₹ 2,123
₹ 1,717
9
16%
₹ 5,339
₹ 3,053
12
16%
₹ 4,083
₹ 3,995
18
16%
₹ 2,828
₹ 5,914
24
16%
₹ 2,203
₹ 7,880
SBI Bank
3
Low Cost EMI
₹ 15,414
₹ 1,243
₹ 1,000
6
Low Cost EMI
₹ 7,831
₹ 1,989
₹ 1,602
9
15%
₹ 5,318
₹ 2,859
12
15%
₹ 4,062
₹ 3,739
18
16%
₹ 2,828
₹ 5,914
24
16%
₹ 2,203
₹ 7,880
Axis Bank
3
Low Cost EMI
₹ 15,401
₹ 1,205
₹ 971
6
Low Cost EMI
₹ 7,854
₹ 2,123
₹ 1,717
9
16%
₹ 5,339
₹ 3,053
12
16%
₹ 4,040
₹ 3,485
18
16%
₹ 2,828
₹ 5,914
24
16%
₹ 2,203
₹ 7,880
Other EMI Options through Credit Cards
Citi Bank
3
14%
₹ 15,351
₹ 1,054
6
14%
₹ 7,809
₹ 1,855
9
16%
₹ 5,339
₹ 3,053
12
16%
₹ 4,083
₹ 3,995
18
16%
₹ 2,828
₹ 5,914
24
16%
₹ 2,203
₹ 7,880
Kotak Mahindra Bank
Tenure
Interest%
Installment
Interest
3
16%
₹ 15,401
₹ 1,205
6
16%
₹ 7,854
₹ 2,123
9
16%
₹ 5,339
₹ 3,053
12
16%
₹ 4,083
₹ 3,995
18
16%
₹ 2,828
₹ 5,914
24
16%
₹ 2,203
₹ 7,880
RBL Bank
3
13%
₹ 15,326
₹ 978
6
14%
₹ 7,809
₹ 1,855
9
15%
₹ 5,318
₹ 2,859
12
15%
₹ 4,062
₹ 3,739
18
15%
₹ 2,807
₹ 5,532
24
15%
₹ 2,182
₹ 7,365
Standard Chartered Bank
3
13%
₹ 15,326
₹ 978
6
13%
₹ 7,787
₹ 1,722
9
14%
₹ 5,296
₹ 2,666
12
14%
₹ 4,040
₹ 3,485
INDUSIND Bank
3
14%
₹ 15,351
₹ 1,054
6
14%
₹ 7,809
₹ 1,855
9
15%
₹ 5,318
₹ 2,859
12
15%
₹ 4,062
₹ 3,739
18
15%
₹ 2,807
₹ 5,532
24
15%
₹ 2,182
₹ 7,365
HSBC Bank
3
12.50%
₹ 15,313
₹ 941
6
12.50%
₹ 7,776
₹ 1,655
9
13.50%
₹ 5,285
₹ 2,569
12
13.50%
₹ 4,030
₹ 3,358
18
13.50%
₹ 2,776
₹ 4,962
YES Bank
3
13%
₹ 15,326
₹ 978
6
13%
₹ 7,787
₹ 1,722
9
14%
₹ 5,296
₹ 2,666
12
14%
₹ 4,040
₹ 3,485
18
15%
₹ 2,807
₹ 5,532
24
15%
₹ 2,182
₹ 7,365
Bank of Baroda
3
13%
₹ 15,326
₹ 978
6
14%
₹ 7,809
₹ 1,855
9
14%
₹ 5,296
₹ 2,666
12
15%
₹ 4,062
₹ 3,739
18
15%
₹ 2,807
₹ 5,532
24
16%
₹ 2,203
₹ 7,880
American Express
3
14%
₹ 15,351
₹ 1,054
6
14%
₹ 7,809
₹ 1,855
9
14%
₹ 5,296
₹ 2,666
12
14%
₹ 4,040
₹ 3,485
18
15%
₹ 2,807
₹ 5,532
24
15%
₹ 2,182
₹ 7,365
Talk to a Headphone Guru
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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
Premium Economy
Sensible spending meets sophisticated quality in perfect harmony 💫.
I tend to describe premium economy products as finding that sweet spot where exceptional value meets refined performance. Think of it like business class comfort at economy prices - you're getting significantly more than what you paid for. These headphones deliver a refined listening experience that rivals more expensive alternatives, making them an intelligent choice for discerning listeners who appreciate both value and excellence.
This thoughtfully curated selection demonstrates our commitment to bringing you outstanding sound quality and robust construction without requiring a significant financial investment. Each product has been meticulously evaluated to ensure it delivers performance characteristics typically associated with higher price brackets.
When you see "💎 Premium Economy" products, expect refined audio experiences that bridge the gap between entry-level and high-end offerings, delivering impressive clarity and features at accessible price points.
Serious Audiophiles Only
For those who have ventured deep into high-fidelity audio 🎯, the pursuit of sonic excellence becomes an endless journey of discovery and refinement. I believe that serious audiophiles demand equipment that can satisfy the most exacting standards and deliver performance that pushes boundaries. These products represent the pinnacle of acoustic engineering, incorporating advanced technologies and meticulous craftsmanship that enable them to reproduce music with utmost fidelity.
Each product has undergone rigorous evaluation to ensure it delivers exceptional performance that discerning listeners demand, from precise frequency response to impeccable detail retrieval and sophisticated sound staging. These devices incorporate premium components and engineering excellence that justify their position at the apex of audio performance.
When you encounter "🦈 Serious Audiophiles Only" products, expect uncompromising performance that satisfies the most demanding requirements and elevates critical listening to new heights.
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.
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.
S.M.S.L Presents The DL400 - An Exceptional DAC & Headphone Amplifier
























Dual Headphone Output
S.M.S.L DL400 features 6.3mm and 4.4mm headphone outputs to connect with various devices.
Display Screen
S.M.S.L DL400 is embedded with a display screen that gives the playback details.
Multi-Functional Knob
S.M.S.L DL400 equips a multi-functional knob that enables you to access various features.
All You Need To Know About The S.M.S.L DL400
4.4mm (Balanced)
RCA 2.5Vrms
HPA near 0 Ohms
HPA 127dB
HPA 127dB
Mac OSX10.6 or Later
Linux(Driverless)
Balance +15.5dB
MQA-CD Decoder: Optical/Coaxial/AES/EBU
PCM: 44.1~768kHz(32bit)
2.8224~22.5792MHz(1bit)
Optical / Coaxial/AES/EBU:
44.1~192kHz(24bit)
DoP: DoP256(USB)/DoP64 (Optical / Coaxial)
Bluetooth Codecs: LDAC, apt-X HD, apt-X, AAC, SBC
Standby Power: <0.5W
Weight:1.74kg/3.84lbS
Don't sweat it, this
S.M.S.L - DL400 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.

Have a question? Get in touch!
Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

What is the warranty period on the S.M.S.L DL400 and how do I claim warranty?
What DAC chip is used in the S.M.S.L DL400?
Does the S.M.S.L DL400 have wireless audio capabilities?
Can I control the S.M.S.L DL400 remotely?
What wired connections does the S.M.S.L DL400 support?
Is the S.M.S.L DL400 compatible with both balanced and unbalanced systems?

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 |
Net Quantity | 1 |
Package Contents | S.M.S.L DL400 |
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DAC & Headphone Amplifier