Protect the head unit of your 300 series Fishfinder with this protective cover

Humminbird In-dash mount kit IDMK300, Manufacturer's Part Number 740086-1, for use with 300 series units.

Delivering power when you need it, the Mighty Max ML18-12 12 Volt 18 AH uses a state of the art, heavy-duty, calcium-alloy grid that provides exceptional performance and service life in both float and cyclic applications.The ML18-12 is an Absorbent Glass Mat (AGM) technology with a valve regulated d...

Please note: This is an UpStart Battery brand replacement part, not an OEM product. This product is not affiliated with any OEM brands and is not covered under any warranties offered by the original manufacturers. Any warranties for this product are offered solely by Upstart Battery. All mentions of...

An Amazon Brand.

Precision on the water gives you the advantage. Make the Humminbird HELIX 7 Sonar GPS your underwater eyes and navigation guide, and you'll always have a clear picture of what's going on. Unbelievably clear, in fact. This is true widescreen sonar/GPS at its brightest and crispest, with high-def 480...

Humminbird Power cable

Add Internet to your next project with an adorable, bite-sized WiFi microcontroller, at a price you like! The ESP8266 processor from Espressif is an 80 MHz microcontroller with a full WiFi front-end (both as client and access point) and TCP/IP stack with DNS support as well. While this chip has been...

Optional mount systems for your Humminbird can be used for a second mounting location on the boat, or make a great replacement for a worn original. This unit will work with all Wide, 100sx, 200DX, 300TX, 400TX, 700 and 300 series fishfinders

JL Audio HD Series Monoblock Class D Amplifier RMS Power Rating (11V-14.5V): 4 ohms: 1200 watts x 1 chan. 3 ohms: 1200 watts x 1 chan. 2 ohms: 1200 watts x 1 chan. 1.5 ohms: 1200 watts x 1 chan. Max power output: 1200 watts x 1 chan. MOSFET power supply Remote bass level input (HD-RLC requir...

Power cables offer a plug on one end and soldered bare leads on the other. The length can be extended with 18awg multi-strand wire. Power connection should be made to a fuse panel, or through inline fuse holder (not included) if made directly to the battery. 6 ft cable included.