The Stetsom HL 800.4 is a 4-channel amplifier with a total power output of 800 watts. Its Class D full range technology delivers high efficiency and low distortion levels. With its slim design, this amplifier can be installed even in tight spaces. Its robust aluminum casing ensures protection and durability. Features: 800w RMS ( 12.6v ) | 1060w peak RMS ( 14.4v ) at 2 Ohms RCA & High inputs; 4 channel monoblock amplifier, Mosfet Class D, Full Range stable at 2 Ohms Audio Controls:Crossover ( HPF & LPF fixed at 90Hz ) | Flat mode where every ajustments on the amp stay disabled, allowing reproduction of all frequencies supported by the amp. Compact and powerfull cooler for better ventilation and safety long use for hours Power connectors ( power / ground ) 6awg, Remote connector 18awg, Speakers 13awg, Fuse 40A ( max 12" far from the battery ) Specifications: Number of Channels 4 RMS Power 800W RMS Power at 2 Ohm 12.6V 4 x 200W (STEREO) RMS Power at 4 Ohm 12.6V 4 x 135W (STEREO) RMS Power at 2 Ohm 14.4V 4 x 265W RMS Power at 4 Ohm 14.4V 4 x 175W (STEREO) Power @ 12.6V Bridge 4 Ohms 2 x 400W (BRIDGE) Power @ 13.8V Bridge 4 Ohms 2 x 530W (BRIDGE) Supply Voltage 9V ~15,5V Frequency Response 5Hz ~ 22 KHz Crossover Low Pass 90 Hz Crossover High Pass 90 Hz Signal to Noise >80 dB Input Sensitivity RCA: 0,2V / FIO: 1,5V Input Impedance RCA: 30K Ohms / FIO: 1K Ohms Impedance Output STEREO: 2 OHMS / BRIDGE: 4 OHMS Consumption with Signal Musical 44A Consumption with Signal Bass 88A Dimensions (H x W x D) mm 55 x 162 x 235,5 mm Weight Kg 1,5 Kg UPC 7897748704856