Garage
Shop

See all parts that fit your 1986 535i

MTX RTL15-44

15" Dual 4 ohm Road Thunder RTL Series Subwoofer

MTX
Shop all MTX
Product videos
highlight-star-icon

• 400W Peak
• 200W RMS
• Polypropylene Woofer Cone
• Stitched Rubber Woofer Surround
• Spider Plateau Venting
• Asymmetrical Linear Drive
• 2" 4-Layer Copper Voice Coil

Learn more about the rtl1544

We apologize

This item has been discontinued


Loading...
UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
MVH-S322BT main

Pioneer MVH-S322BT

Single DIN Digital Media Receiver with Bluetooth and Amazon Alexa

7
-13.34%

$129.99

List price $150.00

KMM-X705 main

Kenwood eXcelon KMM-X705

Single DIN Digital Media Receiver with Bluetooth, Built-in Alexa (Sirius XM Ready)

6
-20.40%

$199.00

List price $250.00

DEH-S7200BHS main

Pioneer DEH-S7200BHS

Single DIN CD Receiver with Bluetooth, HD Radio and SiriusXM Ready

2
-10.72%

$249.99

List price $280.00

KDC-X305 main

Kenwood eXcelon KDC-X305

Single DIN CD Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)

28
-17.08%

$199.00

List price $240.00

XRM59BT main

Dual XRM59BT

Single DIN Digital Media Receiver with Bluetooth, USB and Aux

28
Limited time!
XAV-AX8500 main

Sony XAV-AX8500

10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Wired Android Auto (SiriusXM Ready)

2
-10.00%

$899.99

List price $999.99

T46 main

Earthquake Sound T46

600W Peak 4x6” TNT Series 2-Way Coaxial 4-ohm Car Speakers

1
-19.20%

$79.99

List price $99.00

Limited time!
CAR1013 main

Jensen CAR1013

10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto

8
-11.43%

$309.99

List price $349.99

Product Highlights


• 400W Peak
• 200W RMS
• Polypropylene Woofer Cone
• Stitched Rubber Woofer Surround
• Spider Plateau Venting
• Asymmetrical Linear Drive
• 2" 4-Layer Copper Voice Coil

Description


MTX brand icon

Authorized dealer

Music Comes to Life with MTX Audio RTL Series Subwoofers

Out with the old and in with the new. This is the motto for MTX Audio's new Road Thunder RTLS series subwoofers, like the RTL15-44. The new Road Thunder RTL series subwoofers all have a power handling rating of 400 watts peak and 200 watts RMS, making them the perfect entry-level subwoofer. These new woofers feature a polypropylene cone for durability and longer extension from high excursion, while the stitched rubber surround reinforces the woofer cone, so you can play louder and longer. In order to keep the subwoofer at safe temperature levels, the RTL subwoofer incorporate a Spider Plateau Venting that cools the voice coil directly for increased performance and power handling. The use of an Asymmetrical Linear Driver System (ALDS) allows the RTL subwoofers to have high output with minimal distortion by creating a constant linear movement that creates optimum sound waves and thus increases performance for the highest music reproduction possible. MTX Audio's new RTL series subwoofers will provide the right amount of bass at the right price with features not found in other subwoofers in the same class.

Product Features

  • 15" Dual 4 ohm Road Thunder RTL Series Subwoofer
  • Power Handling:
    • Peak: 400 watts
    • RMS: 200 watts
    • Recommended RMS: 100-200 watts
  • Impedance: Dual 4 ohm
  • Polypropylene woofer cone offers durability and good extension for high excursion
  • Stitched rubber woofer surround
  • Spider plateau venting for precise voice coil cooling and increase power handling
  • Asymmetrical linear drive for more control and better linear movement
  • 2" Dual 4 ohm 4-layer copper voice coil
  • Frequency response: 20 - 150 Hz
  • Sensitivity: 93.6 dB
  • Xmax: 9.4 mm
  • Top mount dept: 6-3/8"
  • Cutout dimensions: 13-11/16"
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Product history:

MTX RTL15-44 thumbnail
(newest, current model)
MTX TR4515-44 thumbnail
(previous model, replaced by MTX RTL15-44)

Subwoofer Wiring Guide


Wiring Guide to Wire 1 MTX RTL15-44 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 MTX RTL15-44 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 MTX RTL15-44 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 MTX RTL15-44 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


Best selling similar products

DB-SA305 D1 small

Deaf Bonce Apocalypse DB-SA305 D1

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 1 ohm
• Mount depth: 7.85"
• Sensitivity: 88.30 dB

(1)

$399.90

List price $399.90

VCW152v3 small

NVX VCW152 Version 3 (VCW152v3)

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 8.19"
• Sensitivity: 88 dB (1W/1m)

(39)

$259.99

List price $311.99

XCW151 small

NVX XCW151

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 1 ohm
• Enhanced Woven Fiber Paper Composite Cone
• Custom High Roll Foam Surround
• 30 mm Xmax (One Way)
• Sensitivity: 87.3 dB

(1)

$599.99

List price $659.99

Specifications & Details


Subwoofer Specifications
Series
Road Thunder RTL Series
Subwoofer Size
15"
Peak Power Handling
400 watts
RMS Power Handling
200 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Frequency Response
20 - 150 Hz
Sensitivity
93.6 dB
Xmax (millimeters)
9.4 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
1.50 cubic feet
Maximum Sealed Box Volume
1.50 cubic feet
Minimum Ported Box Volume
2.50 cubic feet
Maximum Ported Box Volume
2.50 cubic feet
Top-Mount Depth (Mounting Depth)
6-3/8"
Cutout Diameter
13-11/16"
Shallow Mount Installation
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

MTX

Model Number:

RTL15-44

Weight:

14.00lbs

Internal SKU:

rtl1544

Internal Product ID:

40078

Product and How-to Videos


Customer Ratings & Reviews


MTX RTL15-44 thumbnail image

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



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


71-1720 small

Metra 71-1720

Reverse Wiring Harness for 1986-1998 Honda/Acura Vehicles Factory Radio

(3)

$19.99

List price $22.99

240-SS-PHZ3ARC small

SSV Works 240-SS-PHZ3ARC

3-Speaker Audio System Upgrade Kit for select 2018-2024 Slingshot Includes Two 6.5" Custom-fit Speakers, One 10" Loaded Subwoofer Enclosure, and One Powersports Amplifier (with Ride Command Integration)

$1999.99

List price $1999.99

RFPEQU small

Rockford Fosgate RFPEQU

2-Channel Universal Punch EQ with Remote & Line Driver

(3)

$68.00

List price $99.99

BW01B small

Scosche BW01B Wiring Harness

Install a new car stereo in select 1990-2006 vehicles from BMW, Land Rover

(36)

$6.95

List price $19.99

No picture

Samsung SND1080

Fixed Dome Network Camera

$522.00

List price $406.00

CY-BT200U small

Panasonic CY-BT200U

Bluetooth Hands-Free Cell Phone Kit with Audio Streaming and Phonebook Transfer

(8)

$44.99

List price $199.99

TA7801 small

MTX Audio TA7801 Thunder 7801

Class D Monoblock Super Amplifier Thunder7801

(8)

$269.99

List price $599.99

NTX-3108 small

DHD NTX-3108 Class X (Improved Class D)

$209.99

List price $399.99

Related Searches


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

1986 BMW 535i

2024 Lexus ES300h

1989 Cadillac DeVille

1978 Chevrolet Nova

2004 Saab 9-3

1982 Cadillac Cimarron

2005 BMW 525i

2005 Mazda B Series

2002 Dodge Durango

2005 Dodge Sprinter

Vehicle
Store
Delete

2001 Harley Davidson FXSTB Night Train

Vehicle
Store
Delete

2022 Can-Am Defender MAX HD9

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.