Harmony Accessory Master HA-F104 Sub Kit sku-488691603

Harmony Accessory Master Restored Automotive subwoofer kit, model HA-F104, sku-488691603, UPC 650785164390, includes a single 10" under-seat enclosure, a Harmony Audio HA-F104 Flatline subwoofer, a Kicker CX300.1 Class D amplifier and a nickel HA-AK10 10-gauge 600W installation kit.

The source title names a 2014-2018 GMC Sierra Double Cab, while the enclosure details specify a 2014-2018 Chevy Silverado Double Cab. The Black carpet-covered, downward-firing sealed enclosure is made from MDF. It has 5-1/2" mounting depth, 0.55 cubic feet of air space, a twist-knob/banana-plug terminal accepting bare wire up to 10GA, and overall dimensions of 28-3/4" L x 14-3/4" x 9-3/4" H.

The single 4-ohm HA-F104 subwoofer is rated at 700W peak and 350W RMS, with 87.1 dB sensitivity, a listed 25Hz-1.5Hz frequency response, 4 1/16" mounting depth and 9 1/16" cutout diameter. Its specified box volumes are 0.40 to 2.03 cubic feet sealed and 1.1 to 1.81 cubic feet vented.

The Kicker amplifier is listed at 150 watts x 1 channel at 4 ohms, 300 watts x 1 channel at 2 ohms and 600 watts x 1 channel maximum. Its RMS ratings appear twice in the source. The source also lists the subwoofer as 700 watts peak, the amplifier as 600 Watt, and the kit title includes CXA400.1.