Harmony Accessory Master HA-A122 Sub sku-507546022
4.4(10 ratings)Harmony Accessory Master HA-A122, sku-507546022, pairs a single 12-inch sealed subwoofer enclosure with a Harmony Audio Alloy Series 12-inch subwoofer for 2014-2018 Chevy Silverado Crew Cab trucks. The Black under-rear-seat enclosure fires downward and is listed as Restored Automotive; UPC 650785163560.
It is made of MDF covered in black carpet, has 0.74 cubic feet of sealed air space, a 6-1/2-inch mounting depth and a twist-knob banana-plug terminal cup for bare wire up to 10GA. Overall dimensions are 24-3/4 inches long, 16-1/2 inches wide and 9-3/4 inches high.
The subwoofer has dual 2 Ohm voice coils, 1000 watts peak and 500 watts RMS power handling, 87 dB sensitivity, a 25 Hz to 500 Hz frequency response, a 6-inch mounting depth and an 11 1/8-inch cutout diameter. Recommended box volumes are 1.65 to 3.72 cubic feet sealed and 2.02 to 2.72 cubic feet vented.
It has an aluminum-alloy cone, butyl-rubber surround, tinsel leads woven into the spider, a 2-inch copper voice coil, steel basket, ferrite magnet and aluminum former. The combination is rated at 500W RMS and 1000W peak.
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