4 Channel

JL Audio M400/4 This tiny amplifier packs a serious full-range punch, delivering a staggering 100 watts to each of its four channels into 2 Ω (14.4V, 1% THD). The breakthrough that makes this much power possible in such a small chassis is our...

HTX4: Class D 600 watt 4-channel amplifier Wet Sounds™ Hydro-Tech™ X (HTX) Series Amplifier. Wet Sounds represents the ultimate in High Performance Marine Audio. Wet Sounds HTX Series Marine Amplifiers are designed to be a complete solution for every...

JL Audio HX280/4 Class D Full-Range 4-Channel AmplifierEngineered specifically for powersports applications, HX amplifiers employ our highly-efficient NexD™ Class D technology to produce plenty of clean power, without straining charging systems.Housed in...

JL Audio MHD600/4 4-Channel Class D Marine 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...

Wet Sounds STX Micro-4 Powersports Series Class-D 4-Channel 1-Ohm Stable Ultra Compact Amplifier Wet Sounds Powersport Series STX Micro-4 Class-D Full Range 4-Channel Amplifier RMS Power Rating: 4 ohms: 80 watts x 4 chan. 2 ohms: 130 watts x 4 chan. 1...

JL Audio MX280/4 Engineered specifically for powersports applications, the 4-channel MX280/4 amplifier employs our high-speed NexD™ switching design to deliver plenty of clean power, without straining charging systems. Its tiny, cast aluminum...

SD4 4 channel amplifier does an impressive 185 watts x 4 at 4 ohms, 340x4 at 2 ohms and Bridged the amplifier does 685x2. The Sinister amplifiers use superior performance circuitry by utilizing Wet Sounds exclusive Class D Power Supplies combined...

JL Audio MX500/4 Engineered specifically for powersports applications, the 4-channel MX500/4 amplifier employs our high-speed NexD™ switching design to deliver plenty of clean power, without straining charging systems. Its tiny, cast aluminum...

This listing is for a single Kicker 45KMA300.4 4x75 Watt 4-Channel Weather-Resistant Full-Range Amplifier TOP TECH Purpose-built for your boat, every KM amp comes complete with marine-grade speaker terminals, stainless-steel screws, conformal-coated...

Get a huge increase in sound performance over your factory system. With Alpine’s exclusive technology, Dynamic Peak Power (D.P.P.), the KTA-30FW Weather Resistant Tough Power Pack is sure to add higher output and increased dynamic range for those open...

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,...

New weather-resistant & high-performance Infinity Marine amplifiers deliver impressive power from a compact chassis designed to withstand outdoor environments. Marine amplifiers incorporate our latest amplifier topology that includes selectable all-,...