This bundle contains a Wet Sounds STX-MICRO-4 4-Channel Marine Grade Powersports Amplifier, a STX-MICRO-1 Subwoofer Amplifier, and a Wet Sounds WW-BTUR Bluetooth Audio Receiver with Audio Interconnects.

Wet Sounds STX Micro-4 Powersports Series Class-D 4-Channel 1-Ohm Stable Ultra Compact Amplifier

Wet Sounds Powersport Series STX Micro-4
Class-D Full Range 4-Channel Amplifier
RMS Power Rating:
4 ohms: 80 watts x 4 chan.
2 ohms: 130 watts x 4 chan.
Bridged, 4 ohms: 280 watts x 2 chan.
Total power output: 600 watts RMS
CEA-2006 Compliant Amplifier
Pulse Width Modulated MOSFET power supply
LED power (green) and protect (red) indicators
Soft start turn-on
4/3/2/Mono channel operation
3-way protection circuitry (thermal, overload, and speaker short protection)
Heavy duty aluminum alloy heat-sink
Input sensitivity:
Low level: 150mV-7V
Frequency Response: 10 - 40,000 Hz
Total Harmonic Distortion (THD): 0.05%
Signal to Noise Ratio: >95 dB

Wet Sounds WW-BT UR Universal Bluetooth Receiver

Receives the signal from any BT enabled device and sends to any amplifier with low level inputs or a head unit with an AUX input.
Mounts anywhere. Control-less - Uses the controls on the BT device for Play/Pause, Track & Volume adjustment.
Power-saving feature - BT UR turns off the amplifier if music is paused for more than 10-20 seconds. Powers amp on when play is resumed.
Indicator lights inside the translucent case: Blue light indicates BT pairing status. Red light indicates amplifier status.
Red Wire: +12V, Black Wire: -12V, Blue Wire: Amplifier remote turn on.
3.5mm female connection for main output.