Pioneer GM-D1004 400W Peak 4-Channel GM Digital Series Class-D AmplifierQuantity: 1 GM Digital Series 4-Channel Class-D Car Amplifier RMS Power Rating: 4 ohms: 45 watts x 4 chan. 2 ohms: 45 watts x 4 chan. Bridged, 4 ohms: 90 watts x 2 chan. 4 or 2 channel operation Variable high-pass filter (80 Hz, 12 dB/octave) Variable low-pass filter (80 Hz, 12 dB/octave) Frequency Response: 10-40,000 Hz Signal to Noise Ratio: 75dB Total Harmonic Distortion (THD): <.05% Power and Ground wiring is included Dimensions: 7-1/8"W?x 2-1/2"D?x 1-1/2"H Belva BAK84 8 Gauge Premium (CCA) Copper Clad Aluminum Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 600 Watts - REDQuantity: 1 Complete 8 Gauge 4-Channel Amplifier Installation Kit Designed for car audio systems up to 600 watts RMS Premium Powerflex power and ground wire provides optimal power transfer Belva CCA wire is made from?30% copper?while the competition uses only 10% Helical Twist Construction Audio Interconnect RCA cables minimize noise and interference MINI-ANL Fuse holder with a 60 amp fuse offers ideal protection for high powered systems Complies to American Wire Gauge standards