Pyle PLMR19W Marine Boat USB/AUX  Player Stereo Receiver Bundle Combo With Bluetooth Adapter, 6x Magnadyne 5" Speaker, 400 Watt Amplifier, Enrock Radio Antenna, 50-ft Speaker Wire PACKAGE BUNDLE KIT INCLUDES: 1 Pyle PLMR20W Single DIN In-Dash 100-Watt White AM/FM Radio USB/AUX Stereo Receiver = 1 Hifonics TPS-BT1 Waterproof Marine Wired Bluetooth Adaptor Controller = 3 Pair (Total of 6) Magnadyne AquaVibe Series WR45W 5 Inch Marine Hot Tub Shower Outdoor Waterproof Speaker = 1 Pyle PLMRA400 4 Channel 400 Watt Stereo Audio Amplifier = 1 Enrock 22 Wire Marine Antenna = 1 Enrock 50 foot 16 Gauge Speaker Wire RECEIVER UNIT: The PLMR20W head unit is capable of tuning AM/FM, weatherband, and playing MP3s from your USB stick or SD card. It's rated at 4 x 50 watts, so each speaker has plenty of independent power. And it comes with everything you've come to expect from a modern head unit: a 30 station memory, an auxiliary input to hook up an MP3 player or iPod, and a dot matrix LCD display. BLUETOOTH ADAPTER: Stream tunes from your Bluetooth-enabled device to your vehicle's or boat's amplifier with this Hifonics TPS-BT1 preamp controller, which offers a water-resistant design for durability. The controller pairs via Bluetooth from up to 32' away. AUDIO SPEAKERS: These speakers are an exact replacement for many OEM hot tub speakers and also work well in any marine or outdoor application because of their water resistant properties. Features a 6 oz. magnet weight 25 watts maximum power handling 4 ohm impedance 65Hz-16.5kHz frequency response 1-5/8 mounting depth Ideal for all outdoor uses Full plastic encasement frame and integrated grill. MARINE BOAT AMPLIFIER: This Pyle PLMRA400 Hydra amp will power your speakers on the dock, in your boat, or by the pool - it's completely waterproof. This 4-channel, 400-watt marine amp takes high/low level inputs, so it's compatible with a variety of head units and sources. Gold plated RCA inputs means this amp won't be a weak link in your setup. For protection, count on the heavy duty aluminum alloy heatsink to prevent overheating, as well as thermal, overload, and short circuit protection.