Rockford Fosgate T400X4ad Power Series 400 Watt 4-Channel Amplifier<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>4-channel car amplifier | 100 watts RMS x 4 at 2 to 4 ohms | 200 watts RMS x 2 bridged output at 4 ohms (4-ohm stable in bridged mode) | Class AD amplifier design</li><li>Constant Power technology maintains full output power despite impedance changes | C.L.E.A.N. gain setup system includes clip lights and test tone CD | Differential input circuitry helps eliminate hum</li><li>Dual-fan forced induction cooling | Variable high- and low-pass filters (50-250 Hz， 12 dB/octave) | Variable Punch EQ (bass/treble boost: 0-18 dB at 45 Hz， 0-14 dB at 12，500 Hz) | Optional PLC2 Punch Level Control wired remote with clip light available</li><li>Preamp and speaker-level inputs (quick-connect input harnesses included) | Signal-sensing turn-on with speaker-level inputs eliminates need for remote turn-on lead | 8-gauge power and ground leads and a 60-amp fuse recommended — wiring and hardware not included with amplifier</li><li>No onboard fuses when installing multiple amps in a system， an additional 60-amp in-line fuse between the distribution block and the amplifier is recommended | Dimensions: 8-5/8"W x 1-5/8"H x 4-5/16"D</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ZcSsjiCUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Mri19YQLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51FyejzscsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/516UMxB7aiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51fY5Rv-WQL.jpg" noproxy>