Hifonics ZG-1200.2 2-Channel Class A/B Car Amplifier 4-Channel Amplifiers 4D is a four-channel car

4D is a four-channel car audio amplifier for systems that need substantial power across multiple speakers

An advanced airflow cooling system is also specified to help manage heat during extended use

match the connected subwoofer load to the amplifier's 2- or 4-ohm ratings

The driver is designed for enclosure-based installation rather than use as a self-powered subwoofer

Hifonics ZG-1200.2 2-Channel Class A/B Car Amplifier 4-Channel Amplifiers 4D is a four-channel carThe Hifonics ZG 1200. 2 is a two channel car audio amplifier designed to add substantial external power to a speaker system or a compatible subwoofer setup. It is a Class A B model with stereo and bridged mono operating options, making it suitable for a range of upgrade paths. Use it when a factory or aftermarket receiver needs more output capability than its built in amplifier can provide. In stereo operation, the ZG 1200. 2 is rated for 300 watts