AIRMAR® 509LHW Powersport Audio Accessories 4 V RMS Recommended Copper

4 V RMS Recommended Copper Power / Ground Wire Gauge 8 AWG wire Fuse Rating 30 A (ATO or ATC) Enclosure Type Slot-ported

consistent bass across frequencies

125 in / 384 mm Internal Port Diameter (ID) 4 in / 102 mm Port Length (L) 13

There's also a provision for adding an optional wired remote level control so you can tweak the bass volume from the front seat when powering a subwoofer with the rear bridged channels

but includes mounting holes on both sides of the enclosure

AIRMAR® 509LHW Powersport Audio Accessories 4 V RMS Recommended CopperThis all in one transducer for popular fishing frequencies (28, 38, 50 and 200) is our best performing, highest power, 2 to 3 kW transducer. It has a depth of 10,000 feet; an operating frequency of 28 to 60 kHz and 150 to 250 kHz; a beamwidth of 5x9 to 11x23 degrees or a constant 25 degrees; and a 0 to 25 degree deadrise. This transducer has a narrow beam low frequencies for deep water performance and high wide frequencies for shallow water