C2G TruLink Audio Amplifier (Plenum Rated) Specifications: 1 x 8 Pin Terminal Block - 4 pins for 2 speakers, 2 pins for power input, 2 pins for power output 1 pair RCA (left/right) - Red for right and White for left - White also accepts Mono input 1 x 3.5mm Stereo Port - Stereo input Class - Class D Total Output Power - 40W Output Power (THD 1%) - 13W per channel THD+N (at 10W power output) - 0.3% per channel Efficiency - >90% Frequency Response - 150Hz to 20KHz Signal to Noise Ratio - >85dB Input Impedance (unbalanced) - ~10 Kohms Auto Shutdown - Shuts down 5 minutes after no input signal detected Max Operating Current - ~2000 mA Current Draw In Shutdown Mode - 30 mA Power Supply - 24V DC, 2.0A Volume Controls - Independent controls to Input Channels LED Indicators - Input Power (Red LED) Output Power (Green LED) Dimensions: 1.34 x 4.65 x 5.00 Weight: 2.14 lbs.