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Finding an amplifier that delivers raging power and remains cool under pressure is almost impossible, until now.
The PH line of A/B amplifiers have oversized fully regulated Mosfet Power Supplies; these transistors have high switching speed and generate no heat. Combined with Pulse Width Modulation, they stabilize the amplifier output under varying battery conditions. The PowerHouse A/B Class amplifiers are second to none.

Built-in variable crossover-VARIXR
Low pass, full range, or high pass operationsIndependent
low level RCA inputs Independent high level inputs
Crossed audio signal RCA outputs

Common Features:
# Damping factor: >800
# Cross over slopes: 24dB/OCT
# THD: >0.016
# SNR: 104dB
# Class: A/B
# Speaker connection: 8-Gauge
# Recommended power connection: 4-Gauge
# Input type: Independent Low Level RCA Inputs or Speaker Level Inputs
* Number of channels: 2
* Max power output: 1000 Watts
* RMS power 4-ohm mono: 1 x 500
* RMS Power 2-ohm stereo: 2 x 250
* RMS Power 4-ohm stereo: 2 x 145
* Dimension: 2.375" x 10.125" x 10.375 "