This 4-channel Amplifier by Alpine has a Subsonic Filter, Variable High and Low Pass Filters, Bass EQ, and a Thermal Management Processor.

This 4-channel Amplifier by Alpine has a Subsonic Filter, Variable High and Low Pass Filters, Bass EQ, and a Thermal Management Processor.

This Mono Amplifier by Alpine has a Class-D Design, Variable High and Low Pass Filters, and Bass EQ.

This Mono Amplifier from Alpine features a Stackable Design and makes multi-amp installations easier and take up less room

This Mono Amplifier by Alpine has a Stackable Design, Variable Low Pass Filter, and Front-mounted Controls.

This 4-channel Amplifier by Alpine has a Stackable Design, Variable High and Low Pass Filters, and Front-mounted Controls.

This Alpine 4-channel Amplifier features a Stackable Design, which makes multi-amp installations easier and take up less room

The stackable design of this 5-channel amp from Alpine, makes multi-amp installations a snap, and conrolling the perfect sound is easier than ever with the variable crossovers and front-mounted controls.

This Mono Amplifier by Rockford has Differential Inputs to eliminate noise, Dynamic Thermal Management, DSM Technology improves efficiency, and MEHSA3 Technology reduces MOSFET temperatures.