Rasteme RUA220 USB DAC and Amplifier

Came across an interesting USB DAC+Amp out of a Japan-based company, Rasteme.

RUA220: Compact, USB-only DAC, with a 20W (4ohm) stereo integrated amplifier and a separate headphone output.

• Asynchronous USB 2.0 protocol
• 24-bit / 192kHz (with custom Windows ASIO/WASAPI and Mac drivers)
• Low jitter, high precision clock (2ppm crystal oscillators)
• 96dpi color OLED display (can even display photo uploaded from a mini USB input)
• Capacitor-less headphone output (max 80 mW)
• Digital volume control
• S/N ratio of 100dB

Only available in Japan at the moment for Yen 56,700 (around US$700)


Rasteme also makes other interesting products including the higher-end UDAC192 (32bit, WIMA capacitors, Toroidal transformers, Clock input, SPDIF, Balance output) and the RUDD14 USB to SPDIF converter (Asynchronous, 24/192, galvanic isolation, 1ppm TCXO, and full range of SPDIF outputs, Yen 57,600)