Harmony Accessory Master Silverado Sub Kit sku-421314278

Harmony Accessory Master Restored Automotive bundle sku-421314278, UPC 650785135499, is an under-seat, downfiring subwoofer setup for a 1999-2006 Chevy Silverado extended cab. It includes 1 vehicle-specific sealed dual 10" box, 2 Harmony Audio HA-A102 Alloy Series 10" subwoofers, 1 Kicker CX600.1 Class D 1200W amplifier and 1 Harmony Audio HA-AK8 8-gauge, 900-watt wiring kit with a nickel finish.

The box is also described as a 99-06 Silverado extended-cab box. Its air space is 0.95 cubic feet and its mounting depth is 5-3/4". Enclosure dimensions are 51" wide, 9-3/4" high at the front, 7-1/4" high at the rear and 13-1/2" deep. It fits under the rear seat.

Each subwoofer has dual 2-ohm coils, 800-watt peak and 400-watt RMS power handling, 84 dB sensitivity, a 25Hz-500Hz frequency response, 5 9/16" mounting depth and 9 1/4" cutout diameter. The amplifier is rated at 300 watts x 1 channel at 4 ohms or 600 watts x 1 channel at 2 ohms, with a maximum output of 1200 watts x 1 channel.

It has variable bass boost from 0 to +12 dB at 40 Hz, a 25-200 Hz frequency response and dimensions of 7-3/16"W x 8-1/8"D x 2-3/8"H. The listed specifications support component matching and installation.