Garage
Shop

All Hifonics Component Car Subwoofers

Deep, resonating bass in every model of Hifonics's All Component Car Subwoofers.

Loading...
Filters

Shop the Category

filter-icon Filters & Sort

Hifonics HFX12D4

800W Peak (200W RMS) 12" HF Series Dual 4-ohm Car Subwoofer

HFX12D4 big
Go to item page Right Arrow Icon of Right Arrow

800W Peak (200W RMS) 12" HF Series Dual 4-ohm Car Subwoofer

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 4 ohms
• Foam Surround
• Mount depth: 5.61"
• Sensitivity: 86 dB

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

empty

202
Was $69.99 Details
$34.95

In stock

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 4 ohms
• Foam Surround
• Mount depth: 5.61"
• Sensitivity: 86 dB

HFX12D4 small

Item added to your cart.

Price: $34.95

Essential add-ons
Single 10" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$99.99

$79.99

Add to cart
Single 12" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$109.99

$69.99

Add to cart
Dual 12" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$119.99

$119.99

Add to cart
NVX 25 ft. of True Spec 12 Gauge Speaker Wire

100% OFC wire with EnvyFlex metallic jacket insulates and protects against damage from extreme conditions.

$49.99

$29.99

Add to cart
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

$6.99

Add to cart
NVX SDTK20

20 Square Feet of Sound Damping Material

$89.99

$59.99

Add to cart
Dynamat Trunk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

$187.44

$149.95

Add to cart
NVX SDRLR1 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$9.99

$8.99

Add to cart
NVX SDRLR2 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$11.24

$9.99

Add to cart
Belva BAMMD1

Six Function Digital Multimeter

$14.99

$6.99

Add to cart
Belva BAMMD3

Nine Function Digital Multimeter

$29.99

$9.99

Add to cart

Hifonics BXS8D4

400W Max (200W RMS) 8" Brutus Series Dual 4 ohm Car Subwoofer

BXS8D4 big
Go to item page Right Arrow Icon of Right Arrow

400W Max (200W RMS) 8" Brutus Series Dual 4 ohm Car Subwoofer

• 400 Watts Max
• 200 Watts RMS
• Molded Polypropylene Cone
• Polyether Surround
• Stamped Steel Basket
• Shallow Mount Design
• Reinforced Dust Cap

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

empty

2
Was $89.99 Details
$52.99

In stock

Only 3 Left!

BXS8D4 small

Item added to your cart.

Price: $52.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Single 8" Truck Style Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$69.99

$69.99

Add to cart
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

$6.99

Add to cart
NVX SDTK20

20 Square Feet of Sound Damping Material

$89.99

$59.99

Add to cart
Dynamat Trunk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

$187.44

$149.95

Add to cart
NVX SDRLR1 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$9.99

$8.99

Add to cart
NVX SDRLR2 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$11.24

$9.99

Add to cart
Belva BAMMD1

Six Function Digital Multimeter

$14.99

$6.99

Add to cart
Belva BAMMD3

Nine Function Digital Multimeter

$29.99

$9.99

Add to cart

Hifonics THW12D4

1000W Peak (500W RMS) 12" Zeus Theta Series Dual 4-ohm Subwoofer

THW12D4 big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (500W RMS) 12" Zeus Theta Series Dual 4-ohm Subwoofer

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohms
• Polypropylene Cone
• Foam Surround
• Mount depth: 5.35"
• Sensitivity: 89 dB

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

empty

Was $99.00 Details
$49.99

In stock

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohms
• Polypropylene Cone
• Foam Surround
• Mount depth: 5.35"
• Sensitivity: 89 dB

THW12D4 small

Item added to your cart.

Price: $49.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

$6.99

Add to cart
NVX SDTK20

20 Square Feet of Sound Damping Material

$89.99

$59.99

Add to cart
Dynamat Trunk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

$187.44

$149.95

Add to cart
NVX SDRLR1 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$9.99

$8.99

Add to cart
NVX SDRLR2 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$11.24

$9.99

Add to cart
Belva BAMMD1

Six Function Digital Multimeter

$14.99

$6.99

Add to cart
Belva BAMMD3

Nine Function Digital Multimeter

$29.99

$9.99

Add to cart

Hifonics BXS12D4

500W Max (250W RMS) 12" Brutus Series Shallow Mount Dual 4 Ohm Car Subwoofer

BXS12D4 big
Go to item page Right Arrow Icon of Right Arrow

500W Max (250W RMS) 12" Brutus Series Shallow Mount Dual 4 Ohm Car Subwoofer

• 500 Watts Max
• 250 Watts RMS
• Molded Polypropylene Cone
• Polyether Surround
• Stamped Steel Basket
• Shallow Mount Design
• Reinforced Dust Cap

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

empty

1
Was $109.99 Details
$65.99

In stock

Only 1 Left!

BXS12D4 small

Item added to your cart.

Price: $65.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Single 10" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$99.99

$79.99

Add to cart
Single 12" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$69.99

$49.99

Add to cart
Single 12" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$109.99

$69.99

Add to cart
Dual 12" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$119.99

$119.99

Add to cart
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

$6.99

Add to cart
NVX SDTK20

20 Square Feet of Sound Damping Material

$89.99

$59.99

Add to cart
Dynamat Trunk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

$187.44

$149.95

Add to cart
NVX SDRLR1 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$9.99

$8.99

Add to cart
NVX SDRLR2 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$11.24

$9.99

Add to cart
Belva BAMMD1

Six Function Digital Multimeter

$14.99

$6.99

Add to cart
Belva BAMMD3

Nine Function Digital Multimeter

$29.99

$9.99

Add to cart
    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?
    Save up to 10 different vehicles in your garage

    Add vehicle
    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