5.0 (backward compatible with 4.0, 3.0, and 2.0).
5V – 12V DC (Operating range 4.5V – 14.6V).
20-bit DAC resolution with 90dB signal-to-noise ratio for HD standards. Frequency Response: 20Hz – 20KHz. Operational Current: 600mA (Standby: 20mA). Installation Instructions