The SMSL SU-9 ranks #17 out of 40 total DACs for sound quality. See all Headphone Amps and DACs rankings for every top pick.
Brand: SMSL
Prices on this page were last checked October 12, 2026 at 4:13 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
As an eBay Partner, we may be compensated if you make a purchase.
#17 SMSL SU-9: $459.99 Linsoul $459.99 eBay
Pros: Audio Science Review measured a SINAD of 120 dB, so its noise and distortion are inaudible and it is effectively transparent. It offers balanced outputs, Bluetooth input with UAT and USB, optical, coaxial inputs.
Cons: It has no headphone output, so it needs a separate headphone amp.
| Released | 2020 (6 years ago) |
|---|---|
| Balanced Output | Yes |
| Bluetooth Codecs | SBC, AAC, aptX, aptX LL, aptX HD, LDAC, UAT |
| DAC Chip | ES9038PRO |
| Device Type | DAC |
| Dimensions | 7.4” x 1.6” x 6.1” (188 x 40 x 154 mm) |
| Inputs | USB, optical, coaxial, Bluetooth |
| Outputs | RCA, XLR |
| SINAD | 120 dB (measured by Audio Science Review) |
| Volume Control | Front knob and IR remote (preamp mode) |
| Weight | 1.7 lbs (790 g) |
- Reviews, Comparisons and Sound Samples