Garage
Shop

See all parts that fit your 2003 540i

Q-Logic QLH-12D125

Dual 12" Sealed Subwoofer Enclosure Box

Q-Logic
Shop all Q-Logic
highlight-star-icon

Dual 12" Sealed Subwoofer Enclosure Box • Mounting depth: 9" • Cutout diameter: 11-1/4" • Box volume: 1.25 cubic feet • Pre-wired • Dual chambers • Double sealed seams • Complete MDF construction

Learn more about the qlh12d125

We apologize

This item has been discontinued


Loading...
iLX-W650 main

Alpine iLX-W650

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

123
-5.72%

$329.95

List price $349.95

C1-075ct main

JL Audio C1-075ct

50W RMS 0.75" C1 Series 8-ohm Component Dome Tweeters

5

Description


Q-Logic brand icon

Authorized dealer

  • Dual 12" Sealed Subwoofer Enclosure Box
  • Mounting depth: 9"
  • Cutout diameter: 11-1/4"
  • Box volume: 1.25 cubic feet (per chamber)
  • Pre-wired with 16 gauge wire for easy installation
  • Dual chambers
  • Double sealed seams
  • Complete MDF construction
  • Dimensions: 9-7/8"TD x 14-1/2"BD x 33-1/4"W x 15-1/4"H
  • 1-year SonicElectronix.com warranty

Loading...
BV850ACP main

Boss Elite BV850ACP

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

5
DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

2
-16.67%

$349.99

List price $420.00

iLX-W650 main

Alpine iLX-W650

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

124
-5.72%

$329.95

List price $349.95

DMH-W4660NEX main

Pioneer DMH-W4660NEX

6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)

2
-20.00%

$599.99

List price $750.00

BMV62W main

Belva BMV62W

6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto and Phone Mirroring

28
-66.67%

$89.99

List price $269.99

Club 522F main

JBL Club 522F (SPKCB522FAM)

270W Peak (90W RMS) 5.25" Club Series 2 Way Coaxial 3-ohm Speakers

-42.29%

$74.99

List price $129.95

Reference 5030cx main

Infinity Reference 5030cx (REF5030CX)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

2
-60.01%

$99.95

List price $249.95

Limited time!
DMX709S main

Kenwood eXcelon DMX709S

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)

20
-33.50%

$399.00

List price $600.00

AVH-2550NEX main

Pioneer AVH-2550NEX

6.8" Double DIN Touchscreen DVD Receiver with Bluetooth, Apple CarPlay, and Android Auto (SiriusXM Ready)

-13.33%

$650.00

List price $750.00

BE7ACP.XC main

Boss Elite BE7ACP.XC

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

-16.67%

$329.99

List price $395.99


Best selling similar products

MDFS10 small

Single 10" Sealed MDF Subwoofer Enclosure (Belva MDFS10)

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

(121)

$59.99

List price $99.99

MDFD12 small

Dual 12" 3/4 MDF Sealed Subwoofer Enclosure (Belva MDFD12)

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

(120)

$99.99

List price $119.99

MDFS12 small

Single 12" Sealed MDF Subwoofer Enclosure (Belva MDFS12)

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

(172)

$69.99

List price $69.99

NE101S small

NVX NE101S

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

$69.99

List price $83.99

10SQL small

Atrend 10SQL

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 0.69 cubic feet
• Completely miter and dado end panels
• Premium carpeted finish
• Made in the USA

(16)

$59.99

List price $89.99

NE81S small

NVX NE81S

• 8" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .45 cubic feet
• Premium Black Carpet with Black NVX Logo

(1)

$59.99

List price $65.99

NE151S small

NVX NE151S

• 15" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.10 cubic feet
• Premium Black Carpet with Black NVX Logo

$89.99

List price $107.99

NE122S small

NVX NE122S

• 12" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.00 cubic feet
• Premium Black Carpet with Black NVX Logo

(2)

$129.99

List price $155.99

1TRUCK12 small

Single 12" Subwoofer Angled Truck or Hatchback Box Enclosure

• 5/8" MDF (Medium Density Fiberboard)
• Perfect for Tight Spaces (trucks/hatchbacks)
• Fits Most 12" Subwoofers
• 0.75 CuFt
• fully carpeted
• Fully Caulked and Sealed Tight

(27)

$54.99

List price $95.99

NE102S small

NVX NE102S

• 10" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.20 cubic feet
• Premium Black Carpet with Black NVX Logo

$119.99

List price $143.99

Specifications & Details


Box/Enclosure specifications
Subwoofer Size
12"
Box Type
Sealed
Number of Subwoofers
2
Box Style/Shape
Hatchback Style, Angled Back
Cutout Diameter or Length
11-1/4"
Maximum Speaker Depth
9"
Total Box Volume
2.50 cubic feet
Wood Thickness
3/4"
Number of Terminals
2
Terminal Type
Spring clips
Box Exterior Color
Gray
Box Finish
Carpet

Item Details


Manufacturer:

Model Number:

QLH-12D125

Weight:

38.00lbs

Internal SKU:

qlh12d125

Internal Product ID:

14712

Customer Ratings & Reviews


Q-Logic QLH-12D125 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

Loading...

Currently in my trunk

I don't know how to explain this any better than, these are the best. very compact and under $50 bucks right now. NO rattling at all.

By tyler on September 25, 2008

3 found this helpful




4GABL100FT small

Qpower 4GABL100FT

100' of Blue 4 Gauge Power/Ground Wire

$59.99

List price $119.99

T852SBK small

Audiovox T852SBK 8-inch Android Tablet Vehicle Entertainment System

8" Droid Tablet + Universal Docking Bracket and Charging Station + Headphones

(4)

$159.99

List price $399.99

DLRM small

ScyTek DLRM

Door Lock Relay Module

(3)

$4.99

List price $19.99

107-CH5 small

Metra 107-CH5 Dash Kit

Install a new Double-DIN car stereo in select 1996-1998 Grand Cherokee

(1)

$53.99

List price $98.99

3SLD12-3.8 small

Sonic Sub Box: 3SLD12-3.8

Triple Slot 12" Sealed MDF Enclosure

(3)

$124.99

List price $299.99

SOLOS12PORTSQ small

Kicker Single 12" Square-Ported MDF Enclosure

(3)

$39.99

List price $99.99

PN1 small

Prestige PN1

Replacement One-Way Transmitter for Select Prestige Panther Security Systems

$19.99

List price $29.98

8JMCSG small

JMC Single Bandpass (8JMCSG)

Single 8" Bandpass Ported Subwoofer Enclosure

(5)

$49.99

List price $99.99

CLS112RG-W7 small

JL Audio CLS112RG-W7

1 12W7-3 Sub loaded in a sealed enclosure with cross-bar grill, made for rear-firing (3 ohm final impedance)

(3)

$1899.99

List price $1899.99

Related Searches


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

2003 BMW 540i

2007 Chrysler Pacifica

1975 Ford Elite

2013 Dodge Challenger

2005 Chrysler Pacifica

2001 Volvo S60

2002 Dodge Dakota

2004 Ford Taurus

2017 Dodge Journey

2015 Kia Rio

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.