PACKAGE BUNDLE INCLUDES: Pyle PLMRB29W Single DIN Bluetooth Marine MP3 AM/FM Stereo Receiver with White Cover, Long Range Antenna, Amplifier w/Kit, 4x 5.25' 20 Watt Max Polycone Audio Speakers (White, Bulk Packaging) RECEIVER: 300W Power: Bluetooth Connectivity with Hands Free Calling: stream audio directly from your hand-held A2DP Bluetooth enabled device like iPhone, android, smartphones and play internet radio. Remote Control is Included.SPEAKERS: The 5.25' marine speakers with Grilles are designed specifically for indoors & outdoors 20 watts. Equipped with grilles that are color matched to fit your craft.AMPLIFIER: Pyles PLMRA400 is engineered as a 4 Channel marine amplifier that allows high quality stereo reproduction from source. This amplifier is powerful with its 100 WATT x 4 max or 400 WATT and dual MOFSET power supply. Comes with dual adjustable input GAIN level controls between 1-300mV and 4 or 8 Ohm speaker impedance.