Garage
Shop

See all parts that fit your 2012 128i

Scosche EFX HDW1204

12" Single 4 ohm HyperDrive Series Subwoofer

Scosche
Shop all Scosche
Product videos
highlight-star-icon

12" Single 4 Ohm EFX Hyperdrive Subwoofer • 300W RMS • 900W Peak • Single 4 Ohm • Injection Molded Polypropylene Cone • Rubber Surround • Continuous Cone Design • Rubber Gasket

Learn more about the hdw1204

We apologize

This item has been discontinued


Loading...
TS-A1081F main

Pioneer TS-A1081F

460W Peak (100W RMS) 4” A Series 2-way 4-ohm Coaxial Car Speakers

3
-18.18%

$90.00

List price $110.00

S2-S40 main

Alpine S2-S40

280W Peak (90W RMS) 4" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

2
-15.42%

$109.95

List price $130.00

OS-BMW4RV2 main

Metra OS-BMW4RV2

360W Peak (120W RMS) 4" OptiSound Series Direct Replacement 2-way Coaxial 4-ohm Speakers for

-10.28%

$191.99

List price $213.99

Product Highlights


12" Single 4 Ohm EFX Hyperdrive Subwoofer • 300W RMS • 900W Peak • Single 4 Ohm • Injection Molded Polypropylene Cone • Rubber Surround • Continuous Cone Design • Rubber Gasket

Description


Scosche brand icon

Authorized dealer

  • 12" Single 4 Ohm EFX Hyperdrive Subwoofer
  • Power Handling:
    • Peak: 900 watts
    • RMS: 300 watts
  • Impedance: Single 4 ohm
  • Injection Molded Multi-Layer Polypropylene Cone
  • Rubber Surround
  • Continuous Cone Design
  • PVC Rubber Magnet Boot
  • 4-Layer High Power Voice Coil
  • 50 oz. Magnet structure
  • Wrap Around Rubber Mounting Gasket
  • Nickel Plated Spring Loaded Binding Post Terminals
  • 1-year Manufacturer's warranty

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Scosche EFX HDW1204 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Scosche EFX HDW1204 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Scosche EFX HDW1204 Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Scosche EFX HDW1204 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


Loading...
BV850ACP main

Boss Elite BV850ACP

6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera

5
CVP8 main

Cerwin-Vega CVP8 (Sold Individually)

350W Peak (170W RMS) 8" CVPRO Series Pro Full Range 4-ohm Speaker

-16.67%

$49.99

List price $59.99

TS-A1081F main

Pioneer TS-A1081F

460W Peak (100W RMS) 4” A Series 2-way 4-ohm Coaxial Car Speakers

3
-18.18%

$90.00

List price $110.00

DB402 main

Polk Audio DB402 (DB 402)

270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

4
-9.99%

$90.00

List price $99.99

C1-400x main

JL Audio C1-400x

70W RMS 4" C1 Series 2 Way Coaxial 4-ohm Car Speakers

8
Limited time!
ILX-W770-M main

Alpine ILX-W770M

6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, SiriusXM Ready, and iDataLink Maestro Ready

-25.01%

$449.95

List price $600.00

EPICPRO8X main

AudioControl EPICPRO8X

700W Peak (500W RMS) 8" Epic Pro Series Pro Audio Midrange 4-ohm Speakers

H80C main

Cerwin-Vega H80C

900W Peak (300W RMS) 8" HED Series 2 Way Component 4-ohm Speaker System

-16.67%

$219.99

List price $263.99

51KSC404 main

Kicker KSC4 (51KSC404)

300W Peak (150W RMS) 4" KS Series 2 Way Coaxial 4-ohm Speakers

3
-16.67%

$99.99

List price $119.99

iLX-507 main

Alpine iLX-507

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Wireless Android Auto (SiriusXM and iDataLink Maestro Ready)

17
-17.03%

$779.95

List price $940.00


Best selling similar products

Marine Club 12 small

JBL CB122 Club Marine 12

• Peak Power: 1200 watts
• RMS Power: 400 watts
• Polypropylene Cone
• Rubber Surround
• Impedance: Single 4 ohm
• Mount depth: 7-13/16"
• Sensitivity: 89 dB

(1)

$119.95

List price $379.95

VCW124v3 small

NVX VCW124 Version 3 (VCW124v3)

• 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)

(132)

$239.99

List price $287.99

SQW124 small

NVX SQW124

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.51"
• Sensitivity: 84 dB

$299.99

List price $359.99

Specifications & Details


Subwoofer Specifications
Subwoofer Size
12"
Peak Power Handling
900 watts
RMS Power Handling
300 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohm
Frequency Response
30 - 400 Hz
Sensitivity
88 dB
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Surround
Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
1.2 cubic feet
Maximum Sealed Box Volume
1.2 cubic feet
Minimum Ported Box Volume
1.5 cubic feet
Maximum Ported Box Volume
1.5 cubic feet
Top-Mount Depth (Mounting Depth)
6.10"
Cutout Diameter
10.98"
Shallow Mount Installation
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

HDW1204

Weight:

18.00lbs

Internal SKU:

hdw1204

Internal Product ID:

8548

Product and How-to Videos


Customer Ratings & Reviews


Scosche EFX HDW1204 thumbnail image

5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%



Durability
4.5
Value
5
Features
4
Design
4.5
Usability
5

Customer Reviews

Sort by:

Loading...

pretty good.

nice value for the money, better than I expected.

By Skylar on April 4, 2009

3 found this helpful


Got a Pair of these in a custom box. Hit Hard and great through all ranges. Great bargain!

Loud enough to make your ears ring but not enough to push the windows out of your car. Best Bang for your buck

By Preston on March 7, 2008

3 found this helpful




6812CF small

Infinity Reference 6812cf

5" x 7" / 6" x 8" 2-way Speakers (REF6812CF)

(3)

$54.99

List price $149.99

40-VW12 small

Metra 40-VW12 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1981-2008 vehicles from Mercedes-Benz

(14)

$9.99

List price $16.99

VTK302N small

High Resolution Wide Angle Waterproof Color Front View Camera

BOYO Vision VTK302N

(2)

$9.99

List price $69.99

BT4N small

Boss BT4N

Negative Battery Terminal

(2)

$5.99

List price $14.99

DTX 71 iE Red small

Beyerdynamic DTX 71 iE Red

Dynamic Neodymium Drivers with Compelling Wide Frequency Response

(1)

$48.99

List price $79.00

BV9980NV small

Boss BV9980NV

Single DIN In-Dash Bluetooth DVD Car Stereo w/ Built-In Navigation System and 7" Touchscreen Display

(5)

$205.99

List price $486.99

VTL500R small

Universal Wireless WiFi Rearview Camera with Nightvision

BOYO Vision WiFi Reverse Camera VTL500R

(1)

$114.99

List price $222.00

PD-724B small

Power Acoustik PD-724B

Single-DIN Bluetooth DVD/CD/MP3/SD/USB/AM/FM Touchscreen Car Stereo

(6)

$159.00

List price $199.99

VTL422CL small

License Plate Mount Rear View Camera With LED Lights

BOYO Vision VTL422CL (Black)

(3)

$64.99

List price $101.00

Related Searches


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

2012 BMW 128i

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 page 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.