SD9 vs Topping M50
The M50's bit depth is 24-bit against the SD9's 32-bit. Both share max sample rate (384 kHz) and dsd support (DSD256).
AI-generated product photo — not official manufacturer imagery.
DigitalStreamersDACs
Estimated price (community-sourced)
$299 - $400
Around — community and catalog average, updates slowly
About the SD9
The SMSL SD9 is a compact network music player and digital transport designed to feed an external DAC, amplifier, or active speaker system. It supports local playback from microSD cards and USB storage, network playback through Wi-Fi or Ethernet, DLNA, AirPlay, SAMBA/NAS, and two-way Bluetooth. Its digital outputs include optical, coaxial, AES/EBU, USB, and I2S over HDMI. The SD9 also functions as a USB DAC interface for a computer and as a USB digital transmitter to an external USB DAC. It supports MQA and high-resolution PCM and DSD playback, with HiBy Link control from a compatible mobile application. The supplied documentation and retailer listings identify the model as an older/currently hard-to-source product, but do not provide a definitive manufacturer statement that it has been officially discontinued.
Specifications
Digital Audio
DAC capabilities and digital audio processing
- Bit Depth
- 32-bit
- Max Sample Rate
- 384 kHz
- DSD Support
- DSD256
- MQA Support
- Yes
Connectivity
Input and output connections
- Bluetooth
- Yes
- Bluetooth Codecs
- aptX
- Wi-Fi
- Yes
- Ethernet
- Yes
- Digital Inputs
- 2x USB-A, 1x USB-B (USB Audio), microSD, Bluetooth, DLNA, SAMBA/NAS, wired network (LAN/RJ45), Wi‑Fi
- Digital Outputs
- optical S/PDIF, coaxial S/PDIF, AES/EBU, USB, I2S
Streaming Services
Supported streaming platforms and protocols
- AirPlay
- v1
- Chromecast
- No
- Roon Ready
- No
- Spotify Connect
- No
- TIDAL Connect
- No
Never published
- Analog Output — the maker never published this. Checked 30 sources on 9 Sept 2026
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions