2014 - 2018 Chevy Silverado / GMC Sierra Crew Cab Dual 10" Sub Box — Harmony HA-R104 Subs + Kicker CX300.1 / CXA400.1 600W Amp + HA-AK10 Kit

Package includes: 2 x Harmony Audio HA-R104 Rhythm Series 10" subwoofers, 1 x Kicker CX300.1 (CX Series) Class D subwoofer amplifier (600 Watt max), 1 x Harmony Audio HA-AK10 complete 10 gauge 600W amplifier installation kit (nickel), and a custom dual-10" sealed subwoofer enclosure made for 2014 - 2018 Chevy Silverado / GMC Sierra Crew Cab trucks. Enclosure details: built from high-quality MDF and finished in black carpet. Overall dimensions: 49-1/2" L x 16-1/2" W x 9-3/4" H. Designed to fit under the rear seat with the subs firing downward. Mounting depth: 6-1/2". Air space: 0.74 cubic feet per sub (sealed). High-quality twist-knob / banana-plug terminal cup (accepts bare wire up to 10GA). Harmony HA-R104 subwoofer specifications: Power handling — Peak: 500 watts, RMS: 250 watts. Sensitivity: 86.1 dB. Frequency response: 30 Hz–1.5 kHz. Mounting depth: 5 5/16". Mounting cutout diameter: 9 1/4". Recommended sealed box volume: Min 1.0 cu ft — Max 2.46 cu ft. Recommended vented box volume: Min 1.18 cu ft — Max 1.97 cu ft. Kicker CX300.1 (single-channel, Class D) amplifier specifications: RMS power — 4 ohms: 150 watts x 1; 2 ohms: 300 watts x 1. Maximum power output: 600 watts x 1. Pulse Width Modulated MOSFET power supply. LEDs for power (green) and protect (red). Variable bass boost: 0 to +12 dB at 40 Hz. Speaker-level (high-level) inputs with signal-sensing auto turn-on. Preamp RCA outputs for daisy-chaining additional amps. 3-way protection circuitry: thermal, overload, and speaker short protection. Dual speaker terminals for easier multi-speaker hookup. Heavy-duty aluminum alloy heat-sink. Nickel-plated RCA inputs and nickel-plated screw terminals. Input sensitivity — Low level: 125 mV–5 V; High level: 250 mV–10 V. Variable low-pass filter: 50–200 Hz, 12 dB/octave. Subsonic filter: 24 dB at 25 Hz. CEA-2006 compliant. Frequency response: 25–200 Hz. Installation note: 8 gauge power and ground wiring is required. Amplifier dimensions: 7-3/16" W x 8-1/8" D x 2-3/8" H. Additional info: limited stock. This kit provides a complete, vehicle-specific sealed dual-10" solution for 2014 - 2018 Chevy Silverado / GMC Sierra Crew Cab trucks with quality components and everything needed for a 600W-class subwoofer installation.