Pyle 400 Watt 4-Channel Bluetooth Marine Amplifier Weather Resistant, WhiteCategory: Marine 15 AmpIntroducing Pyle 4 channel Marine Amplifier that has an incredible sound and lots of power without the distortion. It could run for hours and it will still be cool and soft to the touch in on/off button. You'll love the sound's purity and clarity. Wire the front channels to increase the output power to 400 watts per channel. Try the 4 full-range channel and enjoy the powerful sounds that come from a sleek amp. The full-range wireless bluetooth audio receiver is the perfect solution for anyone seeking excellence on the open water. Capable of powering multiple sets of component, pro audio, or coaxial speakers, it packs the power that will allow your speakers to come alive. Featuring a high-speed power supply, Class D protection circuitry, advanced electronics, and other internal high quality components. It shines when compared to anything in its class when it comes to power and reliability. The class D circuitry equipped in this amplifier allow it to reproduce extremely clean output, for the best possible sound on your boat or in your vehicle. Moreover, this extremely efficient, 4-channel 400 watt outdoor amp is fully marinized with a waterproof and heavy duty aluminum alloy heatsink. Truly, lives the one and only legacy of an auto amplifier.