Got a compact subwoofer? Choose the compact PA400.1. It's a monoblock amplifier that's perfect when you want to squeeze big sound out of small spaces.

Pure Performance
Monoblock amplifier for subwoofer use.
400 watts x 1 (1 ohm), 300 watts x 1 (2 ohm) and 200 watts x 1 (4 ohm) continuous power. CEA-2006 Compliant specifications for true, accurate power ratings.
800 watts x 1 (1 ohm) dynamic power.
1 ohm stable design can drive even the most demanding subwoofers.
Power and ground terminals accept bare wire up to 4 AWG. Terminals use standard #2 Phillips head screwdriver- no more hex wrenches to lose or strip!
High-speed MOSFET switching power supply and high current Bipolar Output Transistors pump maximum voltage and high current to your speakers or subwoofers.
Double Layer Fiberglass Epoxy Printed Circuit Boards for more rigidity, less shrinkage and a smaller overall amp footprint.
6-Way Smart System Protection (SSP) circuits.
Beautiful Functionality
Adjustable 12 dB/octave low-pass crossover (30-250 Hz).
Switchable 8 dB bass boost at 40Hz for extra bass thump.
Switchable 24 dB/octave subsonic filter protects ported subwoofers.
Switchable 180° phase inversion for easy sub to main integration.
Variable input gain optimizes match with different signal sources (250mv to 7.5V).
RCA Outputs for easy daisy chaining of other amplifiers.
Mounting hardware with rubber isolation grommets and extra fuses included.
Light Bar/Fan Output- Connect an optional LED light bar or cooling fan for custom installations.
Multi-Color Status LED gives instant information on amplifier operation.
Remote Subwoofer Level Adjuster included.