The Pyle Bluetooth-enabled Marine Stereo Receiver and Amplifier was designed to give the ultimate package for your marine vehicle. Created for use with boats, automobiles, off-roading, mobile and marine vechicles. Water-resistant and durable this system is the perfect addition to your rig.
Features:
Sound System Amp Receiver for Audio Control
Weight: 1.53 lbs.Built-in Bluetooth Receiver for Wireless Streaming
Water Resistant Marine Grade Construction
Universal Standard Size for Dashboard/Console Panel Installation
USB Flash Drive Reader
MP3 Digital Audio File Playback
Connect & Stream Audio from External Devices
Aux RCA (L/R) Input Connectors
RCA (L/R) Audio Output Connectors
Includes Wireless Remote Control
Used with Boat, Automobile, Off-Road, Mobile and Marine Vehicles
Built-in Bluetooth for Wireless Audio Ability
Works with All of Your Favorite Devices
(iPhone, Android, Smartphone, iPad, Tablet, etc.)
Bluetooth Version: 2.1
Bluetooth Wireless Range: 30'+ ft.
Bluetooth Network Password: ‘0000' (4 zeroes) What's in the Box:

Bluetooth Amp Receiver
Power & Wiring Harnesses
Remote Control
Mounting Bracket Technical Specs:

MAX Power Output: 4 x 50 Watt
Marine Grade Rating: IP-X5
Frequency Response: 20Hz-20kHz (+/-3dB)
Impedance: 4 Ohm
S/N Ratio: 55dB
Stereo Separation: >30dB, @ 1kHz
Tone Control: Bass/Treble +/-10dB
Maximum USB Flash Support: 32GB
Digital Audio File Support: MP3, WMA
Power: DC 12V
Current Drain/Power Consumption: 10 Amp (Max.)
Total Front Face Diameter: 4.0'' (Cutout Diameter: 3.1'')
Chassis (Housing) Depth: 2.9''
Sold as: 1