Well they are crunches here are the specs for thr 3 that are going to the 6 12s mind you these are powering 150 watt rms kickers 2 for each amp
Maximum power ratings of 2 x 125 watts @ 4 ohms, 2 x 250 watts @ 2 ohms, 1 x 500 @ 4 ohms
SEPP A/B class amplifier design
Bridgeable design
Rugged MOSFET pulse width modulation power supply
2-ohm capable A/B class 2-channel amp
System diagnostics (with LEDs) protect against current/amperage overload, short circuits, thermal overload and DC offset
High-level speaker lead inputs
Silver preamp-level RCA-type inputs
Daisy-chain line outputs
Oversized speaker terminals
Illuminated Crunch logo
and the other is a 4 channel autotek for the mids n highs
150 watts of maximum power x four channels into four ohms for a total of 600 watts of maximum power
300 watts of maximum power x four channels into two ohms for a total of 1200 watts of maximum power
600 watts of maximum bridged power x 2 channels into four ohms
Advanced MOSFET PWM power supply
Oversized speaker terminals
RCA-type preamp inputs
High-level inputs (speaker)
Daisy-chain line outputs
Mono/stereo switch
High-pass/low-pass frequency selections
Diagnostic LED power protection system to detect and warn of problems
ive ran 4 15s on a 1k mono amp with stock alt and batt with no problems this set up is roughly under 900 watts rms total power i plan to go bigger amp and 1 more battery