ARUA1
| Manufacturer | Acoustic Research |
| Function | Audio Interface (High fidelity HD USB DAC with headphone amplifier), Amplifier, Headphone |
| Country | USA |
| Form Factor | Portable |
| Signal Path | Digital Hardware (including Analog Connections) |
| Notes | Audiophile oriented asynchronous USB Audio 2.0 interface M-Class audio engine with Burr-brown PCM1794A DAC based on Acoustic Research M1 music player Top-tier gold plated RCA output connectors for best output performance Built-in headphone amplifier unleashes full potential of high end headphones Windows/Mac OS X music player included for FLAC, DSD 64/128, and DXD playback |