SMSL D1 Hi-Res Audio Dac Rohm BD34352EKV chip Touch Control RCA ouput 768kHz/32bit DSD512 THD+N 0.00038%, Audio DAC Dual USB/Optical/Coaxial Input SNR126dB for Phone/pad/PC/TV/DVD Home Desktop DAC
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AI Verdict
A compact, no-nonsense desktop DAC for those who want clean, high-resolution sound and prioritize a warm, musical presentation over extra features like MQA or Bluetooth.
This DAC is a strong fit for a desktop user who wants to significantly upgrade their computer's sound quality with a simple, compact device. Its high-resolution support and well-regarded ROHM chip deliver a warm, detailed sound that punches above its price. The lack of extra features is a benefit for those seeking simplicity, but a dealbreaker for power users.
If you need to drive headphones directly, look for a DAC/Amp combo unit that includes a dedicated headphone output jack and volume control.
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Pros
- Features the ROHM BD34352EKV chip, typically found in more expensive DACs, which users report provides a warm and atmospheric sound.
- Supports high-resolution audio up to DSD512 and 32-bit/768kHz PCM.
- Solid CNC-machined aluminum unibody chassis feels sturdy and premium for its price.
- Extremely compact footprint makes it ideal for crowded desks.
- Can be powered solely by the USB data connection, eliminating the need for a separate power brick in many setups.
Cons
- Touch-sensitive controls can be finicky and are easy to press by accident.
- The glossy acrylic front panel is a fingerprint magnet.
- Requires a specific driver download for Windows to enable all features, which some users find problematic to install.
- Lacks MQA decoding, which is a dealbreaker for some Tidal users.
Dimension Scores
The ROHM chip provides a warm, detailed, and musical sound that users find engaging and a clear upgrade over default audio sources.
Users report a satisfying weight and body in the mid-bass without it being bloated; as a pure DAC, it has no volume control of its own.
It offers a solid trio of USB, Optical, and Coaxial inputs, but lacks balanced XLR outputs and wireless options like Bluetooth.
Its CNC-machined aluminum chassis and extremely compact size make it feel both durable and easy to place on any desk.
Best For
- Building a first desktop audio setup to connect a PC to powered speakers or a headphone amp.
- Upgrading the sound from a TV or media player using the optical or coaxial inputs.
- Users who prefer a warmer, more relaxed, and musical sound signature over a clinical or analytical one.
- Anyone seeking a simple, set-it-and-forget-it DAC without bells and whistles like Bluetooth or a remote.
Not Recommended For
- Audiophiles who need MQA decoding for streaming Tidal Master tracks.
- Users who prefer physical knobs and buttons or need a remote control for volume adjustments from a distance.
- Anyone looking for an all-in-one unit with a built-in headphone amplifier.
Watch Out For
- Windows driver installation can be a hassle; some users report errors, missing DLLs, or needing to reinstall to get it working properly.
- The touch controls for power and input selection lack tactile feedback and are located on the front panel, making accidental presses common.
- The unit gets noticeably hot to the touch during extended use, which could be a concern in tight, unventilated spaces.
- Because it's so lightweight, stiff or heavy RCA cables can easily push the unit out of place on a desk.
Full Specifications
| ASIN | B0C5MGD5BL |
| Brand | S.M.S.L |
| Material | Aluminum |
| Item Weight | 11.7 ounces |
| Manufacturer | S.M.S.L |
| Mounting Type | Coaxial,Plug Mount |
| Interface Type | Coaxial, USB |
| Number of Pins | 7 |
| Number of Channels | 8 |
| Product Dimensions | 9.45 x 7.4 x 1.64 inches |
| Minimum Supply Voltage | 5 Volts (DC) |
What Buyers Say
The most surprising thing about the SMSL D1 is the warm, atmospheric sound it produces, which is a departure from the more clinical sound of other budget DACs. This is thanks to the ROHM BD34352EKV chip, which gives music a satisfying weight and natural feel. The build quality is excellent for the price, with a solid aluminum case that feels much more expensive than it is. However, the user experience isn't perfect. The touch controls are overly sensitive, and the glossy front is a magnet for fingerprints. Windows users should also be prepared for a potentially fussy driver installation process to unlock the DAC's full potential.
“i plugged this thing in and wow everything just sounds fuller and warmer, not sterile like my old dac, but man i wish it had a real button i keep accidentally changing the input when i move it.”
Common Praise
- Sound is clean, neutral, and detailed without being harsh.
- The compact, minimalist design fits perfectly on a small desk.
- Provides a noticeable upgrade in clarity and soundstage over onboard computer audio.
- Sturdy aluminum construction feels premium.
- Offers a different, warmer sound flavor compared to DACs using common ESS or AKM chips.
Common Complaints
- Touch controls are finicky and lack the positive feedback of a physical button.
- Glossy front panel smudges with fingerprints instantly.
- Windows driver installation can be buggy and is required for high-bitrate playback.
- The unit can get surprisingly warm after being on for a few hours.
- Some users report a 'pop' sound when switching audio sources or sample rates.
Ownership Tips
- You'll probably want to use a better USB cable than the short one included in the box.
- The unit is so light that you might need to use double-sided tape to keep it from sliding around on your desk if you use stiff cables.
- After a few weeks, you learn to avoid touching the front panel, but you'll still hit the wrong control by mistake sometimes.
- For non-USB sources like a TV's optical out, you have to remember to plug in a separate 5V power source via the second USB-C port, as it won't be powered otherwise.
Frequently Asked Questions
Do I have to install a driver to use it?
Only for Windows systems if you want to use its full capabilities like DSD512 and 768kHz playback. macOS and Linux systems are plug-and-play.
Does this have a headphone jack?
No, this is a pure DAC. It has RCA line-level outputs meant to be connected to a separate headphone amplifier or powered speakers.
Can I use this with my phone?
Yes, but you will need an appropriate adapter, such as an Apple Camera Connection Kit for an iPhone or a USB-C OTG cable for Android devices.
Does it come with a power adapter?
No, it does not include a power adapter. It's designed to be powered over the USB-C data cable, but also has a second USB-C port for optional dedicated power from a 5V adapter, which some users prefer.
Does the SMSL D1 support MQA?
No, this DAC does not support MQA decoding. It is designed for users who prioritize PCM and DSD playback.
Does it have volume control?
No, the SMSL D1 does not have a built-in volume control; it outputs a fixed line-level signal. You will need to control the volume from your source device, amplifier, or powered speakers.
Buying Guide
When you're buying a DAC like this, you're paying for one thing: better sound. This box takes the digital 1s and 0s from your computer or TV and turns them into a clean analog signal for your speakers or amp. The D1 is a 'pure DAC,' meaning it has no volume knob or headphone jack. You control volume elsewhere in your chain. It's for people who want a simple, high-quality conversion without paying for extra features they won't use.
DAC Chip (ROHM BD34352EKV)
Think of the DAC chip as the engine. Different brands (like ROHM, AKM, or ESS) have different 'tuning' philosophies. This ROHM chip is known for a more 'musical' or warmer sound, as opposed to the hyper-detailed or 'analytical' sound of some competitors.
DSD512 & 32-bit/768kHz Support
This is like being able to play 8K video when most content is still 1080p. It means the DAC can handle ultra-high-resolution audio files, future-proofing your setup even if you mostly listen to standard streaming quality right now.
Inputs (USB/Optical/Coaxial)
This determines what you can connect. USB is for your computer. Optical is great for getting audio from a TV or PlayStation. Coaxial is for other digital sources like a CD player. Having all three makes the DAC a versatile hub for your digital gear.
Alternatives
If this DAC isn't for you, look for a 'DAC/Amp combo' if you need to power headphones directly. If you need to stream Tidal Masters, search for a DAC that explicitly lists 'MQA support'.
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