2014-2018 Chevy Silverado Crew Cab — Harmony HA-F124 Single 12" Sub Box with CXA4001 Amp

Complete under-seat audio kit for 2014-2018 Chevy Silverado Crew Cab featuring a custom single 12" sealed sub enclosure, a Harmony Audio HA-F124 12" Flatline Series subwoofer, a Kicker CX300.1 CX Series Class D subwoofer amplifier (limited stock), and a Harmony Audio HA-AK10 10 gauge 600W nickel install kit. Kit contents: 1 x 14-18 Chevy Silverado Crew Cab Truck Single 12" Sub Box Subwoofer Enclosure 1 x Harmony Audio HA-F124 Car Stereo Flatline Series 12" Sub 800W Single 4 Ohm Subwoofer 1 x Kicker CX300.1 Car Audio CX Series Class D Subwoofer Amplifier 600 Watt Sub Amp - Limited Stock 1 x Harmony Audio HA-AK10 Car Stereo Complete 10 Gauge 600W Amp Amplifier Install Kit - Nickel Single 12" sealed sub enclosure (vehicle-specific): - Designed for 14-18 Chevy Silverado Crew Cab trucks; mounts under the rear seat with downward-firing sub placement - Mounting Depth: 6-1/2" - Air Space: 0.74 Cubic Feet (sealed enclosure) - Constructed from High Quality MDF with High Quality Black Carpet - Terminal: High Quality Twist Knob / Banana Plug Terminal Cup (Bare Wire 'up to 10GA') - Overall Dimensions: 24-3/4" L x 16-1/2" W x 9-3/4" H Harmony Audio HA-F124 12" Flatline Series subwoofer specifications: - Power Handling: Peak: 800 watts; RMS: 400 watts - Single 4 Ohm configuration - Sensitivity: 87.3dB - Frequency Response: 25Hz-1.2Hz - Mounting Depth: 4 1/2" - Mounting Cutout Diameter: 11 1/8" - Enclosure Recommendations: - Min Sealed Box Volume (Cubic Feet): 0.55 - Max Sealed Box Volume (Cubic Feet): 3 - Min Vented Box Volume (Cubic Feet): 1.68 - Max Vented Box Volume (Cubic Feet): 2.25 Kicker CX300.1 CX Series single-channel Class D amplifier features and ratings: - Single 4 Ohm CX Series Single-Channel Class D Car Amplifier - 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 power (green) and protect (red) indicators - Variable Bass Boost (0 to +12 dB bass boost at 40 Hz) - Single channel operation - Speaker-level (high-level) inputs with signal sensing for automatic turn-on - Preamp RCA outputs to daisy chain multiple amps - 3-way protection circuitry (thermal, overload, and speaker short protection) - Dual speaker terminals for easier multiple-speaker hookup - Heavy duty aluminum alloy heat-sink - Nickel-plated RCA level inputs - Nickel-plated screw terminals - Input sensitivity: Low level: 125mV-5V; High level: 250mV-10V - 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 - 8 gauge power and ground wiring is required for installation - Dimensions: 7-3/16"W x 8-1/8"D x 2-3/8"H Installation accessory: - Harmony Audio HA-AK10 Car Stereo Complete 10 Gauge 600W Amp Amplifier Install Kit - Nickel This package provides a vehicle-specific under-seat enclosure tuned for a 12" Flatline sub, matched to a compact high-output Class D monoblock and a complete 10 gauge wiring kit for a straightforward installation in the 2014-2018 Chevy Silverado Crew Cab.