RAM Mount 1.5" Ball Mount w/2.5" Round Base, Short Arm 1.5" x 3" Plate f/Humminbird Helix 5 Only [RAM-202-153-B-202U] Entertainment | Subwoofers GT21-TM includes an 8-pin transducer

GT21-TM includes an 8-pin transducer with mounting hardware and installation instructions

The main feature is that there is virtually no voltage loss so that the output voltage of alternators or battery chargers does not need to be increased

efficiency

Maximum Output Current (10 S) at Nominal Output Voltage: 40 A

RAM Mount 1.5" Ball Mount w/2.5" Round Base, Short Arm 1.5" x 3" Plate f/Humminbird Helix 5 Only [RAM-202-153-B-202U] Entertainment | Subwoofers GT21-TM includes an 8-pin transducer1. 5" Ball Mount w 2. 5" Round Base, Short Arm & 1. 5" x 3" Plate f Humminbird Helix 5 Only The RAM 202 153 B 202U consists of a round 2. 5" diameter round base (Universal AMPs Hole Pattern), short double socket arm and 1. 5" x 3" rectangular base. The rectangular base contains four holes with a center to center pattern of 1" x 2. 5". For most applications, mount will support up to ten pounds. Features: Compatible Devices: Humminbird Helix 5 Center to