2014-2018 Chevy Silverado / GMC Sierra Double Cab Single 12" Sub Box Kit — Harmony HA-F124 + CXA400.1

Package includes: 1 x 2014 - 2018 Chevy Silverado Double 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, and 1 x Harmony Audio HA-AK10 Car Stereo Complete 10 Gauge 600W Amp Amplifier Install Kit - Nickel. Enclosure details: Custom single 12" sealed subwoofer enclosure built for 2014 - 2018 Chevy Silverado Double Cab trucks (installs under the rear seat with the sub firing downward). Constructed from high quality MDF and finished in high quality black carpet. High quality twist knob / banana plug terminal cup (Bare Wire 'up to 10GA'). Mounting depth: 5-1/2". Internal air space: 0.55 Cubic Feet. Overall dimensions: 28-3/4" L x 14-3/4" W x 9-3/4" H. Harmony HA-F124 Flatline 12" subwoofer specs: Power handling — Peak: 800 watts, RMS: 400 watts. Sensitivity: 87.3dB. Frequency response: 25Hz-1.2Hz. Mounting depth: 4 1/2". Mounting cutout diameter: 11 1/8". Recommended enclosure volumes: 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 single-channel Class D amplifier highlights: 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. Speaker-level (high-level) inputs with signal sensing for automatic turn-on. Preamp RCA outputs for daisy-chaining multiple amplifiers. 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: 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. 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.