Hero image 0 of Harmony Chevy Silverado 2014-2018 HA-R104 10" Sub, 46CXA4001 800W Amp & Sub Box, 0 of 3

Harmony Chevy Silverado 2014-2018 HA-R104 10" Sub, 46CXA4001 800W Amp & Sub Box

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Key item features

1 x 2014 - 2018 Chevy Silverado Crew Cab Truck Dual 10" Sub Box Subwoofer Enclosure
2 x Harmony Audio HA-R104 Rhythm Series 10" - Package Sub
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
2014 - 2018 Chevy Silverado Crew Cab Truck Custom Dual 10" Subwoofer Enclosure Sub Box
Mounting Depth: 6-1/2"
Air Space: 0.74 Cubic Feet per Sub
Sealed Enclosure
Mounting Depth: 6-1/2"
Air Space: 0.74 Cubic Feet per Sub
Sealed Enclosure
Constructed with High Quality MDF
High Quality Twist Knob / Banana Plug Terminal Cup (Bare Wire 'up to 10GA')
High Quality Black Carpet
Overall Dimensions: 49-1/2" L X 16-1/2" W X 9-3/4" H
2014 - 2018 Chevy Silverado Crew Cab Truck
10" Rhythm Series Car Subwoofer
Power Handling:
Peak: 500 watts
RMS: 250 watts
Peak: 500 watts
RMS: 250 watts
Sensitivity: 86.1dB
Frequency Response: 30Hz-1.5kHz
Mounting Depth: 5 5/16"
Mounting Cutout Diameter: 9 1/4"
Min Sealed Box Volume (Cubic Feet): 1.0
Max Sealed Box Volume (Cubic Feet): 2.46
Min Vented Box Volume (Cubic Feet): 1.18
Max Vented Box Volume (Cubic Feet): 1.97
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.
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 simplify the hookup of multiple speakers
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
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" x 8-1/8" x 2-3/8"

Specs

Rms power rating
250 W
Woofer size
10 in
Subwoofer type
Subwoofer
Brand
Harmony Accessory Master
Subwoofer enclosure type
Sealed
Impedance
4 ohm

Current price is $362.95

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Sold and shipped by HiFiSoundConnection

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About this item

Product details

Compatible with 2014–2018 Chevy Silverado Crew Cab, the Harmony HA-R104 Dual 10" Subwoofer Box paired with the Kicker CXA400.1 Mono Amplifier delivers a clean, space-saving bass upgrade that fits perfectly under the rear seat. Designed with a final 2-ohm impedance, this system offers efficient power handling and tight, punchy bass for all music genres.

The HA-R104 enclosure is custom-built to match the Silverado Crew Cab’s under-seat dimensions, maximizing low-end performance without sacrificing interior space. Loaded with dual 10" subwoofers, it provides deep, responsive bass while maintaining a factory-style appearance.

Paired with the Kicker CXA400.1 amplifier, this combo ensures reliable, distortion-free power and balanced sound. It’s an ideal setup for Silverado owners seeking a practical, high-quality audio enhancement that delivers solid bass and seamless integration.

1 x 2014 - 2018 Chevy Silverado Crew Cab Truck Dual 10" Sub Box Subwoofer Enclosure
2 x Harmony Audio HA-R104 Rhythm Series 10" - Package Sub
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
2014 - 2018 Chevy Silverado Crew Cab Truck Custom Dual 10" Subwoofer Enclosure Sub Box
Mounting Depth: 6-1/2"
Air Space: 0.74 Cubic Feet per Sub
Sealed Enclosure
Mounting Depth: 6-1/2"
Air Space: 0.74 Cubic Feet per Sub
Sealed Enclosure
Constructed with High Quality MDF
High Quality Twist Knob / Banana Plug Terminal Cup (Bare Wire 'up to 10GA')
High Quality Black Carpet
Overall Dimensions: 49-1/2" L X 16-1/2" W X 9-3/4" H
2014 - 2018 Chevy Silverado Crew Cab Truck
10" Rhythm Series Car Subwoofer
Power Handling:
Peak: 500 watts
RMS: 250 watts
Peak: 500 watts
RMS: 250 watts
Sensitivity: 86.1dB
Frequency Response: 30Hz-1.5kHz
Mounting Depth: 5 5/16"
Mounting Cutout Diameter: 9 1/4"
Min Sealed Box Volume (Cubic Feet): 1.0
Max Sealed Box Volume (Cubic Feet): 2.46
Min Vented Box Volume (Cubic Feet): 1.18
Max Vented Box Volume (Cubic Feet): 1.97
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.
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 simplify the hookup of multiple speakers
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
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" x 8-1/8" x 2-3/8"

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Specifications

Rms power rating

250 W

Woofer size

10 in

Subwoofer type

Subwoofer

Brand

Harmony Accessory Master

Warranty

Warranty information

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