2014-2018 GMC Sierra / Chevy Silverado Double Cab Single 10" Sub Box + Harmony HA-A102 Sub, Kicker CX600.1 / CXA800.1 Amp & HA-AK8 Kit

Package Includes: 1 x 2014 - 2018 Chevy Silverado Double Cab Truck / 2014 - 2018 GMC Sierra Double Cab Truck custom Single 10" subwoofer enclosure 1 x Harmony Audio HA-A102 Alloy Series 10" Subwoofer (Dual 2 Ohm) — 800W peak / 400W RMS 1 x Kicker CX600.1 / CXA800.1 CX Series Class D single-channel subwoofer amplifier (1200 Watt max) 1 x Harmony Audio HA-AK8 complete 8 gauge 900W amp install kit (Nickel) Enclosure (vehicle-specific Single 10" sealed sub box): - Designed for 2014 - 2018 Chevy Silverado / GMC Sierra Double Cab trucks; installs under the rear seat with subs firing downward - Mounting Depth: 5-1/2" - Internal Air Space: 0.55 cubic feet (sealed enclosure) - Construction: high-quality MDF with premium black carpet finish - Terminal: high-quality twist knob / banana plug terminal cup (bare wire up to 10GA) - Overall Dimensions: 28-3/4" L x 14-3/4" W x 9-3/4" H Harmony HA-A102 10" Alloy Series Subwoofer (Dual 2 Ohm): - Power Handling: Peak 800 watts / RMS 400 watts - Sensitivity: 84 dB - Frequency Response: 25 Hz - 500 Hz - Mounting Depth: 5 9/16" - Mounting Cutout Diameter: 9 1/4" - Recommended Enclosure Volumes: • Min Sealed: 1.39 cu ft • Max Sealed: 2.83 cu ft • Min Vented: 1.54 cu ft • Max Vented: 2.37 cu ft Kicker CX Series Single-Channel Class D Amplifier (CX600.1 / CXA800.1): - RMS Power: 4 ohms: 300 watts x 1; 2 ohms: 600 watts x 1 - Maximum Power Output: 1200 watts x 1 channel (pulse) - Power Topology: Pulse Width Modulated MOSFET power supply - Controls & Indicators: LED power (green) and protect (red) indicators; variable bass boost (0 to +12 dB at 40 Hz) - Inputs / Outputs: speaker-level inputs with signal-sensing auto turn-on; preamp RCA outputs for daisy-chaining multiple amps; nickel-plated RCA level inputs; nickel-plated screw terminals - Protection & Cooling: 3-way protection (thermal, overload, speaker short) and heavy-duty aluminum alloy heat sink - Filters & Response: variable low-pass filter (50–200 Hz, 12 dB/octave); subsonic filter (24 dB at 25 Hz); frequency response 25–200 Hz - Input Sensitivity: Low level 125 mV–5 V; High level 250 mV–10 V - Compliance & Installation: CEA-2006 compliant; 4 gauge power and ground wiring required - Physical Size: 7-3/16" W x 8-1/8" D x 2-3/8" H Notes: This kit bundles a vehicle-matched under-seat sealed enclosure with a 10" alloy sub, a high-output single-channel Class D amp, and an 8-gauge installation kit — everything needed for a compact, powerful bass upgrade in 2014–2018 Silverado / Sierra Double Cab trucks.