2015 - 2025 Ford F-150 Super Cab Dual 10" Under-Seat Sub Box + Harmony HA-R104 (x2), Kicker CX300.1 600W Sub Amp, HA-AK10 Kit — CXA4001

Package contents: 1 x custom dual 10" sealed subwoofer enclosure built for 2015 - 2025 Ford F-150 Super Cab / Super Crew Cab / EXT Truck (fits under the rear seat; drivers fire downward), 2 x Harmony Audio HA-R104 Rhythm Series 10" subwoofers, 1 x Kicker CX300.1 CX Series Class D single-channel subwoofer amplifier (600 Watt max) - Limited Stock, and 1 x Harmony Audio HA-AK10 Car Stereo Complete 10 Gauge 600W Amp Amplifier Install Kit - Nickel. Enclosure details: Custom dual-10" sealed box constructed from high quality MDF and finished in high quality black carpet. Overall dimensions: 29-1/4" L x 17" W x 8" H. Mounting depth: 5-1/2". Internal air space: 0.50 cubic feet per sub (sealed). Terminal cup: high quality twist knob / banana plug compatible (bare wire up to 10GA). Designed for under-seat installation in 2015 - 2025 Ford F-150 Super Crew Cab Truck and Super Cab / EXT Truck configurations. Harmony HA-R104 Rhythm Series 10" subwoofer (per driver): 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 enclosure volumes: Min sealed box volume: 1.0 cu ft, Max sealed box volume: 2.46 cu ft; Min vented box volume: 1.18 cu ft, Max vented box volume: 1.97 cu ft. Kicker CX300.1 CX Series single-channel Class D amplifier (single 4 ohm): RMS power rating — 4 ohms: 150 watts x 1 channel; 2 ohms: 300 watts x 1 channel. Max power output: 600 watts x 1 channel. Features include a pulse width modulated MOSFET power supply, LED power (green) and protect (red) indicators, 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, and 3-way protection circuitry (thermal, overload, and speaker short protection). Dual speaker terminals simplify multi-speaker hookup. Construction highlights: heavy duty aluminum alloy heat-sink, nickel-plated RCA level inputs, and nickel-plated screw terminals. Controls and filters: 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. Frequency response: 25-200 Hz. Installation notes: 8 gauge power and ground wiring is required for installation. Amplifier dimensions: 7-3/16" W x 8-1/8" D x 2-3/8" H. This kit delivers an under-seat, dual-10" sealed solution tailored for 2015 - 2025 Ford F-150 models, pairing Harmony HA-R104 subwoofers with a powerful CX Series single-channel amp and a complete Harmony HA-AK10 10-gauge install kit.