App Remote for iPhone app control, rear USB 1-wire input, Pandora control for iPhone, CD and MP3/WMA/AAC playback, 5 Volt front, rear and sub preamp outputs.
Power Ad Hoc: CEA2006 Standard Power: 17 Watts RMS per channel into 4 Ohms
Speaker Impedance: 4-8 Ohms
Max power output: 52 watts x 4 at 4 ohms
Preout Voltage: 5 volt
Preout Impedance: 220 ohms