RD400/4 4-Channel Class D Full-Range Amplifier, 100 W x 4 @ 2 Ω / 75 W x 4 @ 4 Ω - 14.4V Utilizing our exclusive NexD™ high-speed switching technologies, the ultra-compact RD400/4 amplifier is engineered to deliver loads of audio output power, with...

JL Audio JX400/4D The JX400/4D employs a highly-efficient Class D design with a robust MOSFET power supply to deliver a strong 100 watts to each of its four channels into 2 ohms (14.4V, 1% THD). Use the JX400/4D in combination with our JX500/1D...

RD400/4 4-Channel Class D Full-Range Amplifier, 100 W x 4 @ 2 Ω / 75 W x 4 @ 4 Ω - 14.4V Utilizing our exclusive NexD™ high-speed switching technologies, the ultra-compact RD400/4 amplifier is engineered to deliver loads of audio output power, with...

JL Audio HD600/4 4-Channel Class D Full-Range Amplifier, 150 W x 4 @ 1.5-4 Ω This compact multi-channel powerhouse employs our Single-Cycle Control switching design and R.I.P.S. technology to deliver 150 W x 4 or 300 W x 2. Tight power supply...

Alpine R-A60F R-Series 4-Channel Digital Amplifier - 150 Watts RMS x 4 @ 2-Ohms The new R-Series amplifiers produce accurate imaging and dependable power. Use them with the R-Series speakers and amplifiers for a loud and fun experience. The R-Series...

Kicker 44KXA400.4 Amplifier This KX 400-watt four channel amplifier is built to easily power your door speakers or be a full system solution. FIT2™ (Fail-Safe Integration Technology) ensures your amp works with nearly any stock or aftermarket radio...

Powerful things do come in small packages!Add higher output and more dynamic response with this easy-to-install Universal Power Pack upgrade. The KTP-445U Universal Power Pack amplifies both an aftermarket or factory installed head unit power output,...

JL Audio 300/4 If you prefer a traditional Class A/B design taken to its highest possible level, the 300/4v3 is your amplifier, thanks to its outstanding fidelity, reliability and well-designed feature set. This classic amplifier features JL...

Tens of thousands have relied on V-Power amplifiers for dependable, quality power. Now in their fourth generation, V-Power amplifiers carry on this heritage and prove that playing strong never looked or sounded better. Yes, it is possible to improve upon...

Hear the Difference with this Simple Power Upgrade!Add higher output and a more dynamic response with this easy-to-install Alpine head unit Power Pack upgrade. The KTP-445A Power Pack amplifies power output on select 2005 and newer Alpine head units,...

Audio Control D-4.800 High-Power 4 Channel DSP Matrix Amplifier with AccubassAudioControl has paired our award winning amplifier technology with our powerful Matrix DSP into the D-4.800. This single-unit solution provides unprecedented power and tuning...

Kicker 46CXA3604 CX360.4 360 Watt RMS 2-Ohm Stable 4-Channel Amplifier Using Class A/B power, this amp features a variable bass boost with KickEQ™, giving you as much as a 6dB of extra bump. CX-Series Amplifiers accept up to 40 volts (400 watts) of...