Hero image 0 of Harmony Audio Alpine fits 14-18 Chevy Silverado Double Cab Truck W12S4 Single 12" Subwoofer 250W Sealed Sub Box | HA-A400.1 Amplifier, 8GA Amp Kit, 0 of 9
Harmony Audio Alpine fits 14-18 Chevy Silverado Double Cab Truck W12S4 Single 12" Subwoofer 250W Sealed Sub Box | HA-A400.1 Amplifier, 8GA Amp Kit
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Key item features
- ENGINEERED FOR 14–18 SILVERADO DOUBLE CAB TRUCKS: This sealed single 12" enclosure is precision-built for 2014–2018 Chevy Silverado Double Cab models. It installs cleanly without requiring cutting or interior modifications. The sealed chamber delivers tight, accurate bass that blends well with the Silverado’s cabin acoustics. It fits securely under or behind the rear seat while maintaining full passenger space. Enjoy a durable, vehicle-specific audio upgrade designed for long-term daily use.
- ALPINE W12S4 STRONG, DEEP BASS: The included Alpine W12S4 12" subwoofer produces full, rich, and distortion-free low-frequency output. It handles high power levels while maintaining clarity even during intense playback sessions. Alpine’s proven engineering ensures dependable, long-lasting performance. This woofer adds bold, impactful bass to all music genres. Expect clean, powerful low-end response on every drive.
- SEALED ENCLOSURE FOR CLEAN ACCURATE OUTPUT: The sealed enclosure design provides tight, controlled bass ideal for sound-quality-focused audio systems. High-strength materials minimize resonance and vibration for smoother, more accurate output. Its Silverado-specific fitment ensures a secure and stable installation inside the Double Cab interior. Bass performance stays consistent at both low and high volume levels. Built for durability, it maintains reliable sound output year after year.
- 250W RMS HA-A400.1 AMPLIFIER: The HA-A400.1 amplifier delivers a clean and steady 250W RMS to efficiently power the Alpine subwoofer. Its stable signal ensures deep bass without distortion or clipping across the full volume range. Integrated protection circuitry helps safeguard the system during demanding playback. The compact chassis fits easily into the Silverado’s tight mounting spaces. This amplifier provides balanced, reliable performance to complete your upgraded sound setup.
Specs
- Rms power rating250 W
- Woofer size12 in
- Subwoofer typeSubwoofer
- BrandAlpine
- Subwoofer enclosure typeSealed
- Impedance4 ohm
Current price is USD$244.95
Price when purchased online
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About this item
Product details
This Package includes the following:
- 1 x Compatible with 2014 - 2018 Chevy Silverado Double Cab Truck Single 12 Sub Box Subwoofer Enclosure
- 1 x Alpine W12S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 12" Subwoofer
- 1 x Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono 800 Watt Subwoofer Amplifier - 1 Ohm Stable - Includes Bass Remote
- 1 x Harmony Audio HA-AK8 Car Stereo Complete 8 Gauge 900W Amp Amplifier Install Kit - Nickel
Compatible with 2014 - 2018 Chevy Silverado Double Cab Truck Single 12 Sub Box Subwoofer Enclosure
- Mounting Depth: 5-1/2"
- Air Space: 0.55 Cubic Feet
- Sealed Enclosure
- Constructed with High Quality MDF
- High Quality Black Carpet
- Overall Dimensions: 28-3/4" L X 14-3/4" X 9-3/4" H
- Enclosure installs under the rear seat, subs fire downward
This box is Compatible with Chevy:
- 2014 - 2018 Silverado Double Cab Truck
Alpine W12S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 12" Subwoofer
- Subwoofer Size: 12"
- Peak Power Handling: 750 watts
- RMS Power Handling: 250 watts
- Impedance (Per Voice Coil): 4 ohms
- Frequency Response: 22 - 200 Hz
- Sensitivity: 87.9 dB
- Subwoofer Design: Round / Circle
Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono 800 Watt Subwoofer Amplifier - 1 Ohm Stable - Includes Bass Remote
- Power Handling:
- 14.4V @ 1 Ohm
- 400 Watts RMS x 1
- 800 Watts PEAK x 1
- 14.4V @ 2 Ohm
- 300 Watts RMS x 1
- 600 Watts PEAK x 1
- 14.4V @ 1 Ohm
- Frequency Response: 10Hz-180Hz
- Recommended Wiring Power Gauge: 4 Gauge
- Dimensions: 9-3/16" Length x 6-1/8" Width x 2" Height
- ENGINEERED FOR 14–18 SILVERADO DOUBLE CAB TRUCKS: This sealed single 12" enclosure is precision-built for 2014–2018 Chevy Silverado Double Cab models. It installs cleanly without requiring cutting or interior modifications. The sealed chamber delivers tight, accurate bass that blends well with the Silverado’s cabin acoustics. It fits securely under or behind the rear seat while maintaining full passenger space. Enjoy a durable, vehicle-specific audio upgrade designed for long-term daily use.
- ALPINE W12S4 STRONG, DEEP BASS: The included Alpine W12S4 12" subwoofer produces full, rich, and distortion-free low-frequency output. It handles high power levels while maintaining clarity even during intense playback sessions. Alpine’s proven engineering ensures dependable, long-lasting performance. This woofer adds bold, impactful bass to all music genres. Expect clean, powerful low-end response on every drive.
- SEALED ENCLOSURE FOR CLEAN ACCURATE OUTPUT: The sealed enclosure design provides tight, controlled bass ideal for sound-quality-focused audio systems. High-strength materials minimize resonance and vibration for smoother, more accurate output. Its Silverado-specific fitment ensures a secure and stable installation inside the Double Cab interior. Bass performance stays consistent at both low and high volume levels. Built for durability, it maintains reliable sound output year after year.
- 250W RMS HA-A400.1 AMPLIFIER: The HA-A400.1 amplifier delivers a clean and steady 250W RMS to efficiently power the Alpine subwoofer. Its stable signal ensures deep bass without distortion or clipping across the full volume range. Integrated protection circuitry helps safeguard the system during demanding playback. The compact chassis fits easily into the Silverado’s tight mounting spaces. This amplifier provides balanced, reliable performance to complete your upgraded sound setup.
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Specifications
Rms power rating
250 W
Woofer size
12 in
Subwoofer type
Subwoofer
Brand
Alpine
Warranty
Warranty information
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