The GHK-2800 is a Bluetooth® Speaker System with dual 8" woofers, 2.75" tweeters and adjustable beat-synced LED party lights. Delivering 4800 Watts Peak Power for huge sound with Bass Boost function and bass ports on rear for extra thump. The on-board Media Player allows for playback via Bluetooth®, FM Radio, and USB as well as AUX input for external audio sources. The GHK-2800 also includes Microphone and Guitar inputs with Equalization Controls and Echo Effect.