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2020 GMC Sierra 3500 HD

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Subwoofers and enclosures, specifically designed for your 2020 Sierra 3500 HD, as well as universal fit solutions

Overview Upgrade your Stereo Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Add Remote Start Dads & Grads Sale

Subwoofers and Boxes for 2020 GMC Sierra 3500 HD

A subwoofer that works with, or is designed for, your 2020 GMC Sierra 3500 HD will add bass, clarity and depth to your music and system. A quality subwoofer will give realism and an overall rich, complete sound that you otherwise would not get with a factory car sound system.

Custom-fit subwoofer box

Custom-fit Subwoofer Boxes & Enclosures

Get a sub box designed specifically for your Sierra 3500 HD.

Subwoofer bass packages

Universal Subwoofer Bass Packages

These packages include an amp, sub(s), an enclosure and amplifier wiring. They should fit your GMC Sierra 3500 HD, but verify your trunk/rear vehicle area.

Universal Subwoofers

Universal Subwoofers

These sub(s) are perfect for adding to a empty box or custom built enclosure. They should work with your GMC Sierra 3500 HD, but verify your trunk/rear vehicle area.

Universal-fit loaded and powered sub boxes

Universal-fit Loaded Subwoofer Boxes

These boxes include sub(s) and some include an amp. They should fit your GMC Sierra 3500 HD, but verify your trunk/rear vehicle area.

Universal-fit empty unloaded sub boxes

Empty Universal-fit Sub Box Enclosures

These boxes are ready for you to add a sub and amp. They should fit your ride, but verify your trunk/rear vehicle area.

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Dads & Grads Sale

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RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Punch Series (72)
S Series (46)
CompRT Series (42)
CompR Series (41)
W3 v3 Series (41)
CompC Series (37)
SA Series (35)
Prime Series (30)
CompVR Series (29)
E-Series (29)
X Series (29)
CompVX Series (28)
Y-Series (28)
VC Series (26)
Prime R2 Series (24)
CompQ Series (23)
HED Series (23)
Power Series (22)
R2 Series (22)
Apocalypse Series (21)
Solo-Baric L7T Series (21)
SoloX Series (21)
VMAX Series (21)
Comp Series (20)
CompVT Series (20)
TW3 Shallow Mount Series (20)
W1 v3 Series (20)
Power T1 Series (19)
U Series (19)
VEGA Series (19)
Reference Series (18)
SML Series (18)
Type-R Series (18)
W0 v3 Series (18)
Z Series (18)
Solo-Baric L7S Series (17)
VS Series (17)
N-Series (16)
Punch P3 Series (15)
35 Series (14)
NEO Series (14)
Punch P3 Shallow Mount Series (14)
Solo-Baric L7R Series (14)
Status Series (14)
W6 v3 Series (14)
Level 5 Series (13)
N Series (13)
Stage Series (13)
55 Series (12)
M2 Series (12)
Machete Series (12)
SQ Series (12)
W7 Anniversary Edition Series (12)
T1 Slim Series (11)
W7 Series (11)
ZR Series (11)
A Series (10)
Bass Series (10)
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M Series (10)
Mille Pro Series (10)
SA Classic Series (10)
Spike Series (10)
Terminator Series (10)
ZXI Series (10)
EPICX Series (9)
EXL Series (9)
HD Series (9)
IXS Shallow Series (9)
Nightshade (NS) Series (9)
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Hifonics Elite Series (8)
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L Series (8)
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R Series (8)
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D Series (7)
Gen-X (7)
Hooligan Series (7)
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King Series (4)
KM Subwoofer Series (4)
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RS Series (4)
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TB Series (4)
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Earthquake DBXI Series (2)
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ES Series (2)
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HEX PRO Series (2)
HoleeS Series (2)
Hydro Series (2)
KM Series (2)
Magma Series (2)
MicroSub Series (2)
Mille Legend Series (2)
Polk Audio MM1 Series (2)
Power T2 Series (2)
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SL Series (2)
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Uno Series (1)
V Series (1)
W0 v2 Series (1)
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XO Series (1)
Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.
Top-Mount Depth (Mounting Depth)
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
Voice Coil(s)
Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
Subwoofer Design
This is the design of the subwoofer or the opening of the subwoofer enclosure. Each design has it's own benefits, whether it is a square, circle, or oval.

Round/Circle: This is the typical and common subwoofer design. They have a round cone and are a circle in design.

Square: These woofers are able to achieve a greater cone area in a smaller space. Because of the greater surface area, some square subwoofers will be louder than a round subwoofer of the same size.

Minimum Sealed Box Volume
This value indicates the minimum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Maximum Sealed Box Volume
This value indicates the maximum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
  Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
Main Cone Color
This is the color of the speaker's or subwoofer's cone.
Recommended Enclosure Type
This is the recommended type of enclosure that the subwoofer should be installed into. Some subwoofers are specially designed for particular enclosures.

Sealed: These enclosures completely enclose the air inside the box. These boxes produce a tight bass.

Ported/Vented: These enclosures have a slot of air to escape from the box. The result is a sound that has more "boom".

Bandpass: These are a combination of both sealed and ported enclosures. They can be very efficient, but require tuning for the best response.

Xmax (millimeters)
Typically measured in millimeters, the Xmax value is the measure of a speaker cone's maximum excursion in one direction while maintaining a linear behavior.
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Kicker KGMDL7T12 (51KGMDL7T122)

1200W RMS Loaded Dual 12" Sealed Truck Enclosure for select 2008-2021 Silverado 1500 / 2500 HD / 3500 HD / 1500 LD and Sierra 2500 HD / 3500 HD / 1500 / 1500 Denali and Sierra Denali

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Kicker KGMDL7T12 (51KGMDL7T122)

1200W RMS Loaded Dual 12" Sealed Truck Enclosure for select 2008-2021 Silverado 1500 / 2500 HD / 3500 HD / 1500 LD and Sierra 2500 HD / 3500 HD / 1500 / 1500 Denali and Sierra Denali

• Sealed enclosure with 2 12" Solo-Baric L7T Series Subwoofer
• Compatible with select 2008-2021 Silverado 1500 / 2500 HD / 3500 HD / 1500 LD and Sierra 2500 HD / 3500 HD / 1500 / 1500 Denali and Sierra Denali
• 1200 watts RMS
• Final Impedance: 2-ohm
• Dimensions: 15-1/2" L x 7-7/16" H x 52" W

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List price $1049.99
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Atrend U-8DV

Empty Dual 8” Vented Enclosure for select 2008-2023 Sierra and Silverado 1500 / 3500 HD / 2500 HD

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Atrend U-8DV

Empty Dual 8” Vented Enclosure for select 2008-2023 Sierra and Silverado 1500 / 3500 HD / 2500 HD

• 8" Dual Ported Subwoofer Enclosure
• 1" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.40 cubic feet
• Compatible with select 2008-2023 Sierra and Silverado 1500 / 3500 HD / 2500 HD

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Atrend U-8CPQV

Empty Quad 8" Vented Underseat Truck Enclosure for select 2007-2023 Silverado 1500 / 3500 HD / 2500 HD / 1500 LD and Sierra 2500 HD / 3500 HD

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Atrend U-8CPQV

Empty Quad 8" Vented Underseat Truck Enclosure for select 2007-2023 Silverado 1500 / 3500 HD / 2500 HD / 1500 LD and Sierra 2500 HD / 3500 HD

• 8" Quad Ported Truck Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Premium charcoal carpet finish
• Total box volume: 6.08 cubic feet
• Compatible with select 2007-2023 Silverado 1500 / 3500 HD / 2500 HD / 1500 LD and Sierra 2500 HD / 3500 HD

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NVX Loaded BOOST Box - 2019-2024 Chevrolet Silverado/GMC Sierra - BE-GM-SLVDC-G4

For select 2019-2024 Sierra and Silverado 1500 / 3500 HD / 2500 HD / 1500 LD - Dual 12" 800W RMS Loaded BOOST Sealed Truck Enclosure

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NVX Loaded BOOST Box - 2019-2024 Chevrolet Silverado/GMC Sierra - BE-GM-SLVDC-G4

For select 2019-2024 Sierra and Silverado 1500 / 3500 HD / 2500 HD / 1500 LD - Dual 12" 800W RMS Loaded BOOST Sealed Truck Enclosure

• Sealed BOOST truck enclosure with 2 12" S Series Subwoofer
• Fits select 2019-2024 Sierra and Silverado 1500 / 3500 HD / 2500 HD / 1500 LD
• 400 watts each RMS (800 watts each Peak)
• Final Impedance: 1-ohm

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Atrend A181-10CPV

Empty Single 10" Vented Rear Underseat Enclosure for select 2007-2021 Silverado 3500 HD / 1500 / 2500 HD / 1500 HD / 1500 LD and Sierra 1500 / 1500 HD / 2500 HD / 3500 HD / 1500 Denali and Sierra Denali

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Atrend A181-10CPV

Empty Single 10" Vented Rear Underseat Enclosure for select 2007-2021 Silverado 3500 HD / 1500 / 2500 HD / 1500 HD / 1500 LD and Sierra 1500 / 1500 HD / 2500 HD / 3500 HD / 1500 Denali and Sierra Denali

• 10" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 0.83 cubic feet
• Compatible with select 2007-2021 Silverado 3500 HD / 1500 / 2500 HD / 1500 HD / 1500 LD and Sierra 1500 / 1500 HD / 2500 HD / 3500 HD / 1500 Denali and Sierra Denali

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Atrend A181-12CPV

Empty Single 12" Vented Rear Underseat Enclosure for select 2007-2021 Silverado 2500 HD / 3500 HD / 1500 / 1500 HD / 1500 LD and Sierra 1500 Denali / 2500 HD / 3500 HD / 1500 / 1500 HD and Sierra Denali

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Atrend A181-12CPV

Empty Single 12" Vented Rear Underseat Enclosure for select 2007-2021 Silverado 2500 HD / 3500 HD / 1500 / 1500 HD / 1500 LD and Sierra 1500 Denali / 2500 HD / 3500 HD / 1500 / 1500 HD and Sierra Denali

• 12" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 0.83 cubic feet
• Compatible with select 2007-2021 Silverado 2500 HD / 3500 HD / 1500 / 1500 HD / 1500 LD and Sierra 1500 Denali / 2500 HD / 3500 HD / 1500 / 1500 HD and Sierra Denali

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Alpine S2-DB8V-TRK

600W Peak (300W RMS) Loaded Dual 8" Vented Enclosure for select 2007-2024 vehicles from Jeep, GMC, Ford

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Alpine S2-DB8V-TRK

600W Peak (300W RMS) Loaded Dual 8" Vented Enclosure for select 2007-2024 vehicles from Jeep, GMC, Ford

• Ported enclosure with 2 8" S Series Subwoofer
• 300 watts RMS (600 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 40-51" L x 8.75" H x 13.75" W

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Kicker KGMDL7T12 (51KGMDL7T122) + NVX NDA15001 w/ Free Amp Install Kit

1200W RMS Loaded Dual 12" Sealed Truck Enclosure, 1500W RMS Monoblock Amp, 4 Gauge Wiring Kit, and Can Insulator Koozies Bundle

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Kicker KGMDL7T12 (51KGMDL7T122) + NVX NDA15001 w/ Free Amp Install Kit

1200W RMS Loaded Dual 12" Sealed Truck Enclosure, 1500W RMS Monoblock Amp, 4 Gauge Wiring Kit, and Can Insulator Koozies Bundle

  • Kicker 1200W RMS Loaded Dual 12 Inch Sealed Truck Enclosure
  • NDA15001 3000W Peak Class D N-Series Monoblock Amplifier with Bass Remote
  • Full Spec 4 Gauge 100% OFC Copper Complete Amplifier Wiring Kit with RCA
  • Premium Polyurethane Foam Can Insulator Sleeve Koozie with Logo
  • Bundle includes additional Can Insulator Sleeve Koozie
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  • Kicker 1200W RMS Loaded Dual 12 Inch Sealed Truck Enclosure
  • NDA15001 3000W Peak Class D N-Series Monoblock Amplifier with Bass Remote
  • Full Spec 4 Gauge 100% OFC Copper Complete Amplifier Wiring Kit with RCA
  • Premium Polyurethane Foam Can Insulator Sleeve Koozie with Logo
  • Bundle includes additional Can Insulator Sleeve Koozie

AudioControl TXGM19D10

1400W RMS Loaded Dual 10" Sealed Truck Enclosure for select 2019-2024 Sierra and Silverado 3500 HD / 2500 HD / 1500

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AudioControl TXGM19D10

1400W RMS Loaded Dual 10" Sealed Truck Enclosure for select 2019-2024 Sierra and Silverado 3500 HD / 2500 HD / 1500

• Sealed truck enclosure with 2 10" Spike Series Subwoofer
• 1400 watts RMS
• Final Impedance: 4-ohm
• Compatible with select 2019-2024 Sierra and Silverado 3500 HD / 2500 HD / 1500
• Dimensions: 14.25" L x 10.25" H x 52.00" W

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List price $1399.00
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NVX Loaded BOOST Box - 2019-2024 GMC Sierra Crew Cab - BE-GM-19SLVCC-S212

For select 2019-2024 Sierra and Silverado 1500 / 3500 HD / 2500 HD / 1500 LD - Dual 12" 1200W RMS Loaded BOOST Sealed Truck Enclosure with LED Lighting

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NVX Loaded BOOST Box - 2019-2024 GMC Sierra Crew Cab - BE-GM-19SLVCC-S212

For select 2019-2024 Sierra and Silverado 1500 / 3500 HD / 2500 HD / 1500 LD - Dual 12" 1200W RMS Loaded BOOST Sealed Truck Enclosure with LED Lighting

• Custom Fit Loaded Dual 12" BOOST Sealed Truck Enclosure
• Fits select 2019-2024 Sierra and Silverado 1500 / 3500 HD / 2500 HD / 1500 LD
• 600 watts RMS each (1200 watts Peak each)
• Illuminated etched plexiglass with RGB LED lighting
• Final Impedance: 1-ohm

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JL Audio Stealthbox® SB-GM-SLVD4/10TW3

Custom-Fit Loaded 10" Sealed Truck Enclosure with Two 10TW3-D8 Subwoofers for select 2019-2025 Sierra and Silverado 2500 HD / 3500 HD / 1500 / 1500 LD

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JL Audio Stealthbox® SB-GM-SLVD4/10TW3

Custom-Fit Loaded 10" Sealed Truck Enclosure with Two 10TW3-D8 Subwoofers for select 2019-2025 Sierra and Silverado 2500 HD / 3500 HD / 1500 / 1500 LD

• Sealed truck enclosure with 2 10" TW3 Shallow Mount Series Subwoofer
• Designed for select 2019-2025 Sierra and Silverado 2500 HD / 3500 HD / 1500 / 1500 LD
• 800 watts per pair / 400 watts each RMS
• Final Impedance: 2-ohm
• Includes two JL Audio 12TW3-D8 subwoofers
• Mounts easily under the truck's rear seat

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NVX PBK-BEGMSLVDCG4 - 2019-UP Chevy Silverado/GMC Sierra - Complete Bass Package

For select 2019-2024 Sierra and Silverado 1500 / 3500 HD / 2500 HD / 1500 LD - 12" 800W RMS Complete Amplified Subwoofer Bass Package Solution

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NVX PBK-BEGMSLVDCG4 - 2019-UP Chevy Silverado/GMC Sierra - Complete Bass Package

For select 2019-2024 Sierra and Silverado 1500 / 3500 HD / 2500 HD / 1500 LD - 12" 800W RMS Complete Amplified Subwoofer Bass Package Solution

• Fits 2019-up Chevrolet Silverado and GMC Sierra Double Cab Trucks
• Custom Hand-laid sealed fiberglass enclosure
• Loaded with two 12" SMW12D4 Subwoofers
• Installs quickly and easily under the rear seat

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NVX PBK-GM-19SLVCC-S212 - 2019-2024 GMC Sierra Crew Cab - Complete Bass Package

For select 2019-2024 Sierra and Silverado 1500 / 3500 HD / 2500 HD / 1500 LD - Dual 12" 1200W RMS Complete Amplified Subwoofer Bass Package Solution

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NVX PBK-GM-19SLVCC-S212 - 2019-2024 GMC Sierra Crew Cab - Complete Bass Package

For select 2019-2024 Sierra and Silverado 1500 / 3500 HD / 2500 HD / 1500 LD - Dual 12" 1200W RMS Complete Amplified Subwoofer Bass Package Solution

  • NVX Loaded BOOST Box for 2019-2024 GMC Sierra Crew Cab
  • Dual 12" 1200W RMS Loaded Sealed Truck Enclosure
  • Integrated LED Lighting for custom appearance
  • SQ-Series 1200W Peak Shallow-Mount Car Subwoofers
  • Dual 4-ohm SQW124 Subwoofers with 600W RMS power handling
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  • NVX Loaded BOOST Box for 2019-2024 GMC Sierra Crew Cab
  • Dual 12" 1200W RMS Loaded Sealed Truck Enclosure
  • Integrated LED Lighting for custom appearance
  • SQ-Series 1200W Peak Shallow-Mount Car Subwoofers
  • Dual 4-ohm SQW124 Subwoofers with 600W RMS power handling

VIBE GM-SL1-10

900W Peak (300W RMS) Loaded Single 10" Vented Truck Subwoofer Enclosure for

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VIBE GM-SL1-10

900W Peak (300W RMS) Loaded Single 10" Vented Truck Subwoofer Enclosure for

• Ported enclosure with 1 10" Black Air Series Subwoofer
• 300 watts RMS (900 watts Peak)
• Final Impedance: 4-ohm
• Compatible with

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• Ported enclosure with 1 10" Black Air Series Subwoofer
• 300 watts RMS (900 watts Peak)
• Final Impedance: 4-ohm
• Compatible with

Atrend A181-10CPV with NVX SMW10D4 for 2007-Up Chevy Silverado and GMC Sierra

350W RMS Shallow-Mount 10" Dual 4-Ohm Subwoofer + Single 10" Vented Subwoofer Enclosure

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Atrend A181-10CPV with NVX SMW10D4 for 2007-Up Chevy Silverado and GMC Sierra

350W RMS Shallow-Mount 10" Dual 4-Ohm Subwoofer + Single 10" Vented Subwoofer Enclosure

• Single 10" Down Firing Vented Subwoofer Enclosure
• Designed Specifically For 2007-Up Chevy Silverado and GMC Sierra HD Crew Cab Trucks
• Premium Carpeted Finish
• Glued & Braced MDF Construction
• Rounded Edges
• 700 watts Watts Peak
• 350 watts Watts RMS
• Carbon Fiber Reinforced Polypropylene Cone
• Butyl Rubber Surround
• Includes Depth Extension Clearance Plate
• Mounting Depth: 3-1/4"

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Infinity Kappa 103WDSSI + Bbox by Atrend A184-10CP

1350W Peak (450W RMS) 10” Kappa Series Single 2-or 4-ohm Car Subwoofer with Empty Dual 10" Sealed Enclosure

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Infinity Kappa 103WDSSI + Bbox by Atrend A184-10CP

1350W Peak (450W RMS) 10” Kappa Series Single 2-or 4-ohm Car Subwoofer with Empty Dual 10" Sealed Enclosure

• Peak Power: 1350 watts
• RMS Power: 450 watts
• Impedance: Single 2 or 4 ohm
• Glass Fiber Cone
• Rubber Surround
• Mount depth: 6-1/4"
• Sensitivity: 91 dB
• Subwoofer & Box Combo - Not Pre-Assembled

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• Peak Power: 1350 watts
• RMS Power: 450 watts
• Impedance: Single 2 or 4 ohm
• Glass Fiber Cone
• Rubber Surround
• Mount depth: 6-1/4"
• Sensitivity: 91 dB
• Subwoofer & Box Combo - Not Pre-Assembled

NVX SQW104

1200W Peak (600W RMS) 10" SQ-Series Dual 4-ohm Shallow-Mount Car Subwoofer

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NVX SQW104

1200W Peak (600W RMS) 10" SQ-Series Dual 4-ohm Shallow-Mount Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.23"
• Sensitivity: 83 dB

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• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.23"
• Sensitivity: 83 dB

Limited time!

NVX VCW124 Version 3 (VCW124v3)

2400W Peak (1200W RMS) 12" VC-Series v3 Dual 4-ohm Car Subwoofer

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NVX VCW124 Version 3 (VCW124v3)

2400W Peak (1200W RMS) 12" VC-Series v3 Dual 4-ohm Car Subwoofer

• Peak Power: 2400 watts
• RMS Power: 1200 watts
• Impedance: Dual 4 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 7.02"
• Sensitivity: 85 dB (1W/1m)

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Tru Spec Dual 12in P (1460YX)

Empty Dual 12" Vented Prefabricated Enclosure for Sundown SA 12" Subwoofers

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Tru Spec Dual 12in P (1460YX)

Empty Dual 12" Vented Prefabricated Enclosure for Sundown SA 12" Subwoofers

• 12" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 3.50 cubic feet
• Compatible for Sundown SA 12V2 subwoofers (Sold separately)

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Single 10" Sealed MDF Subwoofer Enclosure (Belva MDFS10)

10-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (0.77 cu ft airspace 10SQTC)

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Single 10" Sealed MDF Subwoofer Enclosure (Belva MDFS10)

10-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (0.77 cu ft airspace 10SQTC)

• 0.77 cu ft Sealed Enclosure
• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals

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    FAQ for Subwoofer and Sub Box Upgrades in 2020 Sierra 3500 HD

    Q: Can I upgrade or change the Subwoofer and Sub Box Upgrades in 2020 GMC Sierra 3500 HD?

    A: Yes this page includes all the best Subwoofer and Sub Box Upgrades that work in your Sierra 3500 HD.

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