• Two Pairs of MR6W 6.5“ Full Range Marine Speakers with Poly Carbon Cone and Rubber Surround • 180 Watts MAX 90 Watts RMS Power Handling per Pair • IPX6 Rated Marine MGR150B has 60 Watts x 4 Max Power and Preset built-in EQ • Plays USB/MP3/WMA, FM/AM, Smart Phones. Does not have a CD or DVD player. • USB, Aux Inputs and Front, Rear/Subwoofer Switchable Pre-Amp Outputs • Compatible with Audio out from Smartphones and MP3 Players • Bluetooth Audio Streaming - play and control music and apps like Spotify/Pandora wirelessly • Featuring Built-in 4-Channel Amplifier • Weatherproof Details • USB Port : Rear Cable • Aux-In : Rear Cable • Pre-Amp Outputs : Front + Rear • Total Power Output : 240W (Watts x Ch) • Selectable Preset EQ : Yes • Chassis type : Gauge