Lowrance SonicHub 2.1 with Speakers

Streams Bluetooth audio from a smartphone or tablet. 50W x 4 amplifier NMEA 2000 connection using the newly adopted standard NMEA 2000 audio/entertainment protocol, Dual USB ports for connecting and charging multiple devices Video output via Composite RCA for playing video files from a USB drive Pre-amp Zone 3 output Pre-amp subwoofer output Dual Stereo AUX input (AUX1, AUX2) Music control for up to two individual zones (one Zone)