Pioneer GM-A4704 Class AB 4 Channel Car Audio Bridgeable Amplifier 520W Max

Car Audio 4-channel Class AB Amplifier
Model: GM-A4704
Max Power Rating:
4 ohms: 40 watts x 4 channel
2 ohms: 65 watts x 4 channel
Bridged, 4 ohms: 130 watts x 2 channel
Max power output: 520 watts
CEA-2006 Compliant Amplifier
Pulse Width Modulated MOSFET power supply
Balanced Isolator Input Circuit
LED power (on) and protect (off) indicators
Soft start turn-on
4, 3 or 2 channel operation
Speaker-level (high-level) inputs with Signal Sensing Turn-on
3-way protection circuitry (thermal, overload, and speaker short protection)
Heavy duty aluminum alloy heat-sink for extreme heat dissipation
Input sensitivity:
Low level: 300mV - 6.5V
High level: 3V - 26V
Frequency Response: 10 - 70,000 Hz
Total Harmonic Distortion (THD): <0.05%
Signal to Noise Ration: >94 dB
Selectable crossover modes (Ch A&B): LPF / OFF / HPF
Crossover frequency Ch A: 80hz, 12 dB/octave
Variable crossover frequency (Ch B): 40 - 500 Hz, 12 dB/octave
Fuse Rating: 30A x 1
4 - 8 gauge power and ground wiring is recommended for installation
Dimensions: 12-1/2"W x 8-1/2"L x 2-3/8"H