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Harmony Audio

Harmony Audio R124 Dual 12" Sub Box Bundle with HA-A400.1 Amp Compatible with Chevy Silverado 2007 2008 2009 2010 2011 2012 2013

  • Based on 25 reviews
Condition: New
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$384.95 Why this price?

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Availability: In Stock.
Fulfilled by HiFi-Soundconnection
Arrives Monday, May 4
Order within 12 hours and 14 minutes
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Features

  • Compatible with 2007-2013 Chevy Silverado Extended Cab and GMC Sierra Extended Cab trucks, this dual 12" subwoofer box
  • Mounting Depth: 6"
  • Air Space: 0.60 Cubic Feet Per Sub
  • Dimensions: Width 55-3/4" x Front Height 8-3/4" x Rear Height 5" x Depth 14-3/4"

Description

This Package Includes the Following Items:1 x Custom Chevy Silverado 07-13 Subwoofer Box Extended Cab Dual 12"2 x Harmony Audio HA-R124 Rhythm Series 12" - Package Sub1 x Harmony Audio HA-A400.1 Class D Mono 800W Sub Amp1 x Harmony Audio HA-AK4 Car 4 Gauge Amp - NickelCustom Chevy Silverado 07-13 Subwoofer Box Extended Cab Dual 12":Features:Dual 12" 2007-2013 Chevy Extended Cab Sub BoxMounting Depth: 6"Air Space: 0.60 Cubic Feet Per SubSealed EnclosureDimensions: Width 55-3/4" x Front Height 8-3/4" x Rear Height 5" x Depth 14-3/4"High Quality Black CarpetEnclosure installs under rear seat down firingThis box fits: 2007-2013 Chevy Silverado Extended Cab2007-2013 GMC Sierra Extended Cab Harmony Audio HA-R124 Rhythm Series 12" - Package Sub:Specifications:Power Handling: Peak: 600 wattsRMS: 300 wattsSensitivity: 88.2dBFrequency Response: 27Hz-1.8kHzMounting Depth: 5 11/16"Mounting Cutout Diameter: 11 1/8"Single 4 Ohm Harmony Audio HA-A400.1 Class D Mono 800W Sub Amp:Specifications:Power Handling: 14.4V @ 1 Ohm 400 Watts RMS x 1 800 Watts PEAK x 114.4V @ 2 Ohm 300 Watts RMS x 1600 Watts PEAK x 1Frequency Response: 10Hz-180HzTurn On: DC Offset or 12V RemoteFeatures:Includes Remote Bass Control Knob with Power Indicator LEDIncludes HA-EASY Speaker Wire to RCA Adapter to Simplify Installation

Brand: Harmony Audio


Speaker Maximum Output Power: 600 Watts


Frequency Response: 1800 Hz


Connectivity Technology: RCA


Audio Output Mode: Mono


Audio Output Mode: Mono


Mounting Type: Car Mount


Enclosure Material: Carpet-Covered


Speaker Type: Subwoofer


Additional Features: Bass Boost


Antenna Location: Truck


Subwoofer Diameter: 12 Inches


Controller Type: Remote Control


Color: With Amp


Is Waterproof: FALSE


Warranty Type: Limited


Control Method: Remote


Speaker Size: 12 Inches


Woofer Diameter: 12 Inches


Tweeter Diameter: 12 Inches


MP3 player: No


Specific Uses For Product: truck


Item Dimensions D x W x H: 16"D x 56"W x 11"H


Compatible Devices: car audio systems


Power Source: Corded Electric


Brand: Harmony Audio


Model Number: HA-SUB-PACKAGE653-H


Model Name: R124


Built-In Media: Subwoofer Box, Subwoofers, Amplifier, Car Amp Kit, Remote Bass Control Knob


Number of Items: 2


Series Number: 124


Manufacturer: Harmony Audio


Speaker Maximum Output Power: 600 Watts


Input Voltage: 14.4 Volts


Frequency Response: 1800 Hz


Number of Audio Channels: 2.1


Connectivity Technology: RCA


Wireless Technology: No Wireless Communication Technology


Subwoofer Connectivity Technology: Wired


Connectivity Protocol: RCA


Audio Driver Type: Dynamic Driver


Audio Driver Size: 12 Inches


Number Of Circuits: 1


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, May 4

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Very impressive for the money
I honestly love them!! no they won't win any competitions but for your everyday beat down the street you really can't get much better for the money highly recommend
Reviewed in the United States on January 7, 2022 by joe dyson
    • Very good sound at a great price
Bought this for a 2008 Chevy silverado
Reviewed in the United States on January 31, 2021 by Amazon Customer
    • El kit no es el adecuado
Pues todo muy bien pero el cableado no es el adecuado para este amplificador y bajos además no sirve todo mucho sabe que el cableado grueso tiene que ser 100% cobre y el cable que viene es de aluminio el kit no sirve
Reviewed in the United States on December 7, 2025 by Israel Negrete Aldape
    • Sound great
love everything
Reviewed in the United States on November 10, 2020 by Tom Upton
    • Did not fit
This does not fit in a 2008 Chevy Silverado.
Reviewed in the United States on September 13, 2024 by Craig Brock
    • Fast delivery
Excellent product
Reviewed in the United States on October 28, 2025 by Desanges Hyppolite

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