*New* Improved DWG Water Proof LOUD Speakers now include a 150 Watts low Voltage High Power Pro Amplifier with extra aux input Jacks and a Wireless Remote. This is one of the best amplifiers on the market! Amp is guaranteed to BLAST our speakers to the max! Our tiny amplifier measures only 2.75" x 3.5" x 1.75 (WxLxH). Our Water proof LOUD speakers measurements are 4 1/2" X 4" x 3.5” The front side of the amp provides the INPUT and has both a 1/8" standard earphone jack and standard RCA Jacks! Now you can hook up an additional audio device! The filter, volume control and green power indicator light are all up front. The backside of the amp provides the output with standard RCA Jacks. The power switch and 12 Volt power input are located on the backside as well. Power wire and audio wires are included!! Note: Amplifiers are not waterproof.