Amplification: Hertz HCP4D
https://hertz-audio.com/product/car-audio-amplifier-hcp4d/
70 watts RMS x 4 at 4 ohms
130 watts RMS x 4 at 2 ohms
260 watts RMS x 2 bridged at 4 ohms (4-ohm stable in bridged mode)
CEA-2006 compliant ratings
Class-D amplifier technology
frequency response: 10-60,000 Hz
variable high- and low-pass filters (50-3200 Hz, 12 dB/octave) on front and rear channels
variable bass boost (0-12 dB at 50 Hz) on rear channels
mono buttons allow 4 outputs from 2 inputs
preamp and speaker-level inputs
Automatic Remote Turn-on with speaker-level inputs
preamp outputs
fuse rating: 20A x 2