Hifonics A1200-4D 4-Channel Full-Range Car Amplifier Loaded Subwoofer Enclosures and a flexible black PVC

and a flexible black PVC jacket

The AT-2400S uses Class A-B operation and is described as a full-range amplifier

Bass Equalization Circuit: Helps tailor low-frequency response to listener preference and system setup

while allowing room for the separate tweeters and crossover components

front-panel tuning controls

Hifonics A1200-4D 4-Channel Full-Range Car Amplifier Loaded Subwoofer Enclosures and a flexible black PVCThe Hifonics A1200 4D is a compact four channel car audio amplifier for upgrading factory or aftermarket speaker systems. It provides four amplified channels for full range speakers, component sets, or a combination of speakers and a bridged subwoofer channel pair. Its flexible channel configuration helps simplify multi speaker system builds without requiring separate amplifiers. This amplifier is designed for listeners who want more control and