Bridgable: Yes Class: D Grounding System: Negative Power Source: 14.4 V DC (10.5 V to 16.0 V) Protection Control system: Yes Terminal Type: Removable Unit Weight: 1.2 lbs Allowable Load Impedance: 2 ohm to 8 ohm allowable Avg Current Consumption (amps x #ch): 1.6 A (4 Ohms x 4ch),1.6 A (2 Ohms x 4ch),1.6 A (4 Ohms x 2ch Bridged) Continuous-Power-Output: 45 W x 4-Channel – 4 Ohm, 90 W x 2-Channel – 4 Ohm Bridged Frequency Response Channel: 10Hz to 40kHz (+0dB,-3dB) A/B Ch Fuse Rating: 15 A High-Pass Crossover frequency: 80 Hz (LPF/OFF/HPF) High-Pass Slope (dB/octave): -12 dB/oct Low-Pass Crossover frequency: 80 Hz (LPF/OFF/HPF) Low-Pass Slope (dB/octave): -12dB/oct Maximum Power Output: 100 W x 4-Channel (4 Ohm),200 W x 2-Channel (4 Ohm Bridged) RCA Inputs: 4-Channel Signal to Noise: 93 dB Speaker Line input Sensor: Yes