Garmin GPSMAP® 8616xsv With Mapping and Sonar Sound Processors Universal Head Unit Power Pack:

Universal Head Unit Power Pack: The Alpine KTP-445U Head Unit Power Pack is a power upgrade amplifier that allows you to add higher output and more dynamic response to your aftermarket or factory installed car stereo system (without factory amplifiers)

Terminals: A single rear-panel terminal cup houses a pair of spring terminals for connecting speaker wire up to 12 ga

this mid-range marvel boasts a high-efficiency design

re: rated power) -95 Signal-to-Noise Ratio (dB

Supports MicroSD Cards up to 128 GB

Garmin GPSMAP® 8616xsv With Mapping and Sonar Sound Processors Universal Head Unit Power Pack:SERIOUS ANGLERS, CRUISERS, SAILORS AND SAIL RACERS DEMAND SERIOUS EQUIPMENT The easy to use, easy to install chartplotter sonar combo delivers MFD performance in a combo size package. Get wider viewing angles and superior clarity on the touchscreen with a full HD in plane switching (IPS) display. Navigate confidently with built in Garmin Navionics+ inland and coastal mapping1. Easily build your marine system using the best of network connectivity. See