The VUBT2 allows you to get Bluetooth 4.0 ability without needing a Bluetooth head unit. The VUBT2 has an IPX6 water resistance rating, so it also eliminates the need for a Marine head unit. The VUBT2 is easy to install, and comes with everything you need.
Bluetooth Profile: A2DP (High-Quality, Stereo Audio)
Bluetooth Core Specification:Version 4.0 with aptX
OutputsOne Stereo Pair, Low-Level RCA Plugs
Output Voltage: 2V RMS
Signal to Noise Ratio: 93 dB (20 Hz - 20 kHz)