2014-2018 Chevy Silverado Crew Cab Dual 12" Sub Box — 2x Harmony HA-R124 + Kicker CX300.1 / CXA400.1 Amp & HA-AK10 Kit

Package Includes: 1 x 2014 - 2018 Chevy Silverado Crew Cab Truck Dual 12" Sub Box Subwoofer Enclosure; 2 x Harmony Audio HA-R124 Rhythm Series 12" subwoofers; 1 x Kicker CX300.1 CX Series Class D Subwoofer Amplifier (600 Watt Sub Amp) - Limited Stock; 1 x Harmony Audio HA-AK10 Complete 10 Gauge 600W Amp Amplifier Install Kit - Nickel. Custom Enclosure (fits under rear seat, subs fire downward) - Designed for 2014 - 2018 Chevy Silverado Crew Cab Truck - Configuration: Dual 12" sealed subwoofer enclosure - Mounting Depth: 6-1/2" - Air Space: 0.74 Cubic Feet per sub (sealed) - Constructed with high quality MDF - High Quality Twist Knob / Banana Plug Terminal Cup (Bare Wire 'up to 10GA') - High Quality Black Carpet finish - Overall Dimensions: 49-1/2" L x 16-1/2" W x 9-3/4" H Harmony Audio HA-R124 Rhythm Series 12" Subwoofer (per driver) - Power Handling: Peak: 600 watts, RMS: 300 watts - Sensitivity: 88.2 dB - Frequency Response: 27 Hz - 1.8 kHz - Mounting Depth: 5 11/16" - Mounting Cutout Diameter: 11 1/8" - Recommended sealed box volume: Min 1.25 cu ft — Max 3.52 cu ft - Recommended vented box volume: Min 1.65 cu ft — Max 2.3 cu ft Kicker CX300.1 / CX Series Single-Channel Class D Car Amplifier (specs) - RMS Power Rating: 4 ohms: 150 watts x 1 chan.; 2 ohms: 300 watts x 1 chan. - Max power output: 600 watts x 1 chan. - Pulse Width Modulated MOSFET power supply - LED indicators: power (green) and protect (red) - Variable Bass Boost: 0 to +12 dB at 40 Hz - Single channel operation with speaker-level (high-level) inputs and signal-sensing auto turn-on - Preamp RCA outputs for daisy-chaining multiple 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 level 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 amplifier - Frequency response: 25 - 200 Hz - Installation requires 8 gauge power and ground wiring - Dimensions: 7-3/16" W x 8-1/8" D x 2-3/8" H Notes: This kit is a complete solution for adding dual 12" subs to a 2014-2018 Chevy Silverado Crew Cab. The enclosure is sealed and built to fit under the rear seat with downward-firing drivers. The HA-AK10 nickel 10-gauge install kit provides wiring necessary for up to 600W amplifier power.