Garage
Shop

2004 GMC Sierra Denali

Subwoofers and enclosures, specifically designed for your 2004 Sierra Denali, as well as universal fit solutions

Loading...
Filters
filter-icon Filters & Sort

Deaf Bonce Apocalypse DB-4515R D2

9000W Peak (4500W RMS) 15” Apocalypse Series Dual 2-ohm Car Subwoofer

DB-4515R D2 big
Go to item page Right Arrow Icon of Right Arrow

9000W Peak (4500W RMS) 15” Apocalypse Series Dual 2-ohm Car Subwoofer

• Peak Power: 9000 watts
• RMS Power: 4500 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Cone
• Foam Surround
• Mount depth: 11.95"
• Sensitivity: 87.80 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $134.99 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$1,349.90

In stock

Only 1 Left!

JL Audio MicroSub CP208LG-W3v3

500W RMS Loaded Dual 8" Vented Enclosure

CP208LG-W3v3 big
Go to item page Right Arrow Icon of Right Arrow

500W RMS Loaded Dual 8" Vented Enclosure

• Ported enclosure with 2 8" MicroSub Series Subwoofer
• 500 watts RMS
• Final Impedance: 2-ohm
• Dimensions: 35.5" L x 11" H x 5.125" W

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $88.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

9
$879.99

In stock

Used from: $527.99
NVX - Worth the Envy - Direct to Consumer Car Audio

Alpine SBT-S10V

1000W Peak (350W RMS) Loaded Single 10" Vented Truck Enclosure

SBT-S10V big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (350W RMS) Loaded Single 10" Vented Truck Enclosure

• Ported truck enclosure with 1 10" SWT Series Subwoofer
• 350 watts RMS (1000 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 21 7/8" L x 15 1/2" H x 7 1/2" W x 4 1/4" W2

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $38.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
List price $460.00
-17% $379.95

In stock

Only 2 Left!

JBL Stage 82 (JBLSUBST82AM)

800W Peak (200W RMS) 8" Stage Series Single 4-ohm Car Subwoofer

Stage 82 big
Go to item page Right Arrow Icon of Right Arrow

800W Peak (200W RMS) 8" Stage Series Single 4-ohm Car Subwoofer

• Peak Power: 800 watts
• RMS Power: 200 watts
• Impedance: Single 4 ohm
• Polypropylene Subwoofer Cone material
• Rubber Subwoofer Surround material
• Mount depth: 3-15/16"
• Sensitivity: 88 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $109.95
-18% $89.95

In stock

Limited time!

Alpine S2-W8D4

900W Peak (300W RMS) 8" S-Series Dual 4-ohm Car Subwoofer

S2-W8D4 big
Go to item page Right Arrow Icon of Right Arrow

900W Peak (300W RMS) 8" S-Series Dual 4-ohm Car Subwoofer

• Peak Power: 900 watts
• RMS Power: 300 watts
• Impedance: Dual 4 ohm
• Carbon Fiber Polypropylene Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 3.71"
• Sensitivity: 82.7 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $16.79 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $250.00
Save $82.05
-33% $167.95

In stock

Used from: $151.16

Sundown Audio U-12 v.2 D2 12" (U12V2D2)

4000W Peak (2000W RMS) 12" U Series Dual 2-ohm Car Subwoofer (SW-UV212D2)

SW-UV212D2 big
Go to item page Right Arrow Icon of Right Arrow

4000W Peak (2000W RMS) 12" U Series Dual 2-ohm Car Subwoofer (SW-UV212D2)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 2 ohm
• Pressed Paper Cone
• Double-Stitched Surround
• Mount depth: 8.43"
• Sensitivity: 85.19 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $719.99
-24% $549.99

In stock

Limited time!

Kicker L7S104 (44L7S104)

1200W Peak (600W RMS) 10” Solo-Baric L7S Series Dual 4-ohm Subwoofer

L7S104 big
Go to item page Right Arrow Icon of Right Arrow

1200W Peak (600W RMS) 10” Solo-Baric L7S Series Dual 4-ohm Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 6-1/4"
• Sensitivity: 85.87 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $329.99
Save $90.03
-27% $239.96

In stock

Deaf Bonce Machete ML-12R D4

1000W Peak (500W RMS) 12” Machete Series Dual 4-ohm Car Subwoofer

ML-12R D4 big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (500W RMS) 12” Machete Series Dual 4-ohm Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 4 ohm
• Mount depth: 5.3"
• Sensitivity: 88.0 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
$114.90

In stock

Only 2 Left!

Kicker TRTP102 (48TRTP102)

800W Peak (400W RMS) Loaded Dual 10" Sealed Truck Enclosure

TRTP102 big
Go to item page Right Arrow Icon of Right Arrow

800W Peak (400W RMS) Loaded Dual 10" Sealed Truck Enclosure

• Sealed truck enclosure with 2 10" CompRT Series Subwoofer
• 250-400 watts RMS Power Rating
• Final Impedance: 2-ohm
• Dimensions: 25 5/8" L x 5 5/8" H x 13 1/4" W

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $32.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
List price $349.99
-9% $319.99

In stock

Sundown Audio E12 v.4 D4 12" (E12V4D4)

1500W Peak (750W RMS) 12" E Series Dual 4-ohm Car Subwoofer (SW-EV412D4)

SW-EV412D4 big
Go to item page Right Arrow Icon of Right Arrow

1500W Peak (750W RMS) 12" E Series Dual 4-ohm Car Subwoofer (SW-EV412D4)

• Peak Power: 1500 watts
• RMS Power: 750 watts
• Impedance: Dual 4 ohm
• Pressed Paper Cone
• Pressed Foam Surround
• Mount depth: 6.50"
• Sensitivity: 85.3 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $293.99
-17% $244.99

In stock

Only 1 Left!

Sundown Audio Z-15 v.6 D1 15" (Z15V6D1)

6500W Peak (3250W RMS) 15" Z Series Dual 1-ohm Car Subwoofer (SW-ZV615D1)

SW-ZV615D1 big
Go to item page Right Arrow Icon of Right Arrow

6500W Peak (3250W RMS) 15" Z Series Dual 1-ohm Car Subwoofer (SW-ZV615D1)

• Peak Power: 6500 watts
• RMS Power: 3250 watts
• Impedance: Dual 1 ohm
• Treated Paper Cone
• Mega Roll V2 Surround
• Mount depth: 12.93"
• Sensitivity: 86.10 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $105.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $1259.99
-17% $1,049.99

In stock

Only 1 Left!

Sundown Audio SML-10 D2 10" (SML10D2)

1200W Peak (600W RMS) 10" SML Series Dual 2-ohm Shallow Car Subwoofer (SW-SML10D2)

SW-SML10D2 big
Go to item page Right Arrow Icon of Right Arrow

1200W Peak (600W RMS) 10" SML Series Dual 2-ohm Shallow Car Subwoofer (SW-SML10D2)

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 2 ohm
• Pressed Paper cone
• Pressed Foam surround
• Mount depth: 3.78"
• Sensitivity: 86.1 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $263.99
-9% $239.99

In stock

Used from: $167.99
Limited time!

Soundstream T5.122

2000W Peak (1000W RMS) 12" Tarantula T5 Series Dual 2-ohm Car Subwoofer

T5.122 big
Go to item page Right Arrow Icon of Right Arrow

2000W Peak (1000W RMS) 12" Tarantula T5 Series Dual 2-ohm Car Subwoofer

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 2 ohm
• Spruce Pulp cone
• Polyether Foam surround
• Mount depth: 7"
• Sensitivity: 86 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

7
List price $200.99
Save $21.00
-10% $179.99

In stock

Only 3 Left!

Sundown Audio PSE-6.5

250W RMS 6.5" Dual 4-ohm Powersports Car Subwoofer

PSE6.5 big
Go to item page Right Arrow Icon of Right Arrow

250W RMS 6.5" Dual 4-ohm Powersports Car Subwoofer

• RMS Power: 250 watts
• Impedance: Dual 4 ohm
• Mount depth: 4.5"
• Compatible with powersports applications

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $179.99
-17% $149.99

In stock

Rockford Fosgate Prime R2 R2D4-12

500W Peak (250W RMS) 12" Prime Series 2 Dual 4-ohm Car Subwoofer

R2D4-12 big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (250W RMS) 12" Prime Series 2 Dual 4-ohm Car Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Dual 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Poly-Foam Surround
• Mount depth: 5.067"
• Sensitivity: 89 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

15
$119.99

In stock

Only 2 Left!

Deaf Bonce Apocalypse DB-SA302 D2

4000W Peak (2000W RMS) 12” Apocalypse Series Dual 2-ohm Car Subwoofer

DB-SA302 D2 big
Go to item page Right Arrow Icon of Right Arrow

4000W Peak (2000W RMS) 12” Apocalypse Series Dual 2-ohm Car Subwoofer

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 2 ohm
• Mount depth: 7.07"
• Sensitivity: 86.70 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $38.99 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

8
$389.90

In stock

Only 2 Left!

Kicker L7X101 (49L7X101)

2000W RMS 10" SoloX Series Dual 1-ohm Subwoofer

49L7X101 big
Go to item page Right Arrow Icon of Right Arrow

2000W RMS 10" SoloX Series Dual 1-ohm Subwoofer

• RMS Power: 1000 - 2000 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 9-7/16"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $70.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $799.99
-13% $699.99

In stock

• RMS Power: 1000 - 2000 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 9-7/16"

JL Audio 8W7AE-3

500W RMS 8" W7AE Series 3-ohm Car Subwoofer

8W7AE-3 big
Go to item page Right Arrow Icon of Right Arrow

500W RMS 8" W7AE Series 3-ohm Car Subwoofer


• RMS Power: 500 watts
• Impedance: Single 3 ohm
• Polypropylene Cone
• Polyether Foam Surround
• Mount depth: 6.83"
• Sensitivity: 82.7 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $90.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

28
$899.99

In stock

Used from: $764.99

JL Audio 10W7AE-3

750W RMS 10" W7AE Series Single 3-ohm Car Subwoofer

10W7AE-3 big
Go to item page Right Arrow Icon of Right Arrow

750W RMS 10" W7AE Series Single 3-ohm Car Subwoofer

• RMS Power: 750 watts
• Impedance: Single 3 ohm
• Polypropylene Cone
• Polyester Foam Surround
• Mount depth: 8.5"
• Sensitivity: 84.3 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $120.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

43
$1,199.99

In stock

Used from: $1,019.99

Massive Audio Hippo H84XR

2000W Peak (1000W RMS) 8" Hippo Series Dual 4-ohm Subwoofer

H84XR big
Go to item page Right Arrow Icon of Right Arrow

2000W Peak (1000W RMS) 8" Hippo Series Dual 4-ohm Subwoofer

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 4 ohm
• Kevlar Fiber-Enforced Non-Pressed Paper Cone
• Tall and narrow Foam Surround
• Mount depth: 5.9"
• Sensitivity: 84 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $30.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $351.95
-15% $299.99

In stock

NVX - Worth the Envy - Direct to Consumer Car Audio

Items per page: 20 40 60

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    FAQ for Subwoofer and Sub Box Upgrades in 2004 Sierra Denali

    Q: Can I upgrade or change the Subwoofer and Sub Box Upgrades in 2004 GMC Sierra Denali?

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

    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2004 GMC Sierra Denali

    1983 Volkswagen Quantum

    2003 Dodge Durango

    2010 Audi R8

    2006 Toyota Highlander

    2023 Lincoln Nautilus

    1975 GMC C3500 Pickup

    1990 Mitsubishi Mighty Max

    1994 Isuzu Amigo

    2004 Acura TSX

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.