Rockford Fosgate Punch P600X4 4-Channel Amplifier 25in x Depth 9

25in x Depth 9

but you'll get your best results feeding them plenty of power from an outboard amp

Control of amplifier output with on board electronic crossover to tailor specific frequencies to speakers and subwoofers

15 Hz to 250 Hz ±1 dB

frequency response: 75-40

Rockford Fosgate Punch P600X4 4-Channel Amplifier 25in x Depth 9The Punch P600X4 multi channel amplifier is versatile to power any audio system configuration. In addition to 4 channel stereo mode, you can bridge both channels to create a high power 2 channel amp, or run stereo speakers on the front with subwoofers on the rear in 3 channel mode. The variable HP LP crossover and built in Punch EQ allows for precise tuning of Bass frequencies and the Pass Thru RCA jacks provide flexibility as your system grows and