Table of Contents
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Welcome!
This owners manual is written in easy english and
uses a lot of drawings to simply the installation and
use of the above amplifiers.
Your DLS amplifiers must be installed correctly in
order to work well. This manual will show you how
to install the amplifier like a pro. Please read the
entire manual before beginning the installation.
Install the amplifier yourself if you feel confident
with our instructions and if you have the proper tools.
However if you feel unsure, turn over the installation
job to someone better suited to it.
Warranty Service
This amplifier is covered by warranty, depending on
the conditions in the country where it is sold. If the
amplifier is returned for service, please include the
original dated receipt with the product.
Technical Assistance
For technical assistance ask the shop where the
product was sold or the distributor in your very coun-
try. Information can also be found on our WEB-site
www.xprogram.com
We follow a policy of continuous advancement in
development. For this reason all or part of specifica-
tions & designs may be changed without prior notice.
DECLARATION OF CONFORMITY
DLS amplifiers for vehicles are manufactured in
accordance with the EU directive EEC 95/54 (72/245/
EEC) and are marked with the approval number.
They are also marked in accordance with the WEEE-
directive 2002/96/EC.
The products are also produced in accordance with
the EU RoHS directive 2002/95/EC.
How to install and operate the
DLS amplifier models
XM20
XM40
Contents
Features...............................................
Installation............................................
Routing Wires........................................
Tools and materials needed......................
Power and remote wiring............................. 3-4
Low & High level input wiring ......................
Input level control, BASS EQ.......................
Features on each model .............................
XM20 speaker wiring:
Front speakers........................................
Subwoofer.............................................
Four speakers........................................
Two subwoofers ........................................
Testing................................................
Troubleshooting....................................
Professional tips...................................
Specifications.......................................
This product must be returned to the
separate collection system for electronic
products. Do not dispose this product
together with general household waste.
DLS amplifiers are designed and engineered by:
DLS Svenska AB
P.O. Box 13029 - SE-40251 Göteborg - Sweden
Tel: +46 31 840060 - Fax: +46 31 844021
E-mail: info@dls.se
www.dls.se
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Table of Contents
Related Manuals for DLS XM40
Summarization of Contents
Installation
Before you begin installation
Read the manual, gather tools, and materials before starting the installation process.
Amplifier location
Select a mounting location that allows for adequate air circulation around the amplifier.
Disconnect Battery
Always disconnect the negative terminal of the vehicle's battery before starting installation.
Power wiring
Power terminal (+12V)
Connect the fuse holder close to the battery, using appropriate gauge power cable and a ring crimp terminal.
Ground Terminal (GND)
Connect to a clean, unpainted metal chassis ground point using a wire brush to ensure good connection.
Power Light / Protect light
Explains the function of the blue power light and red protect light on the amplifier.
Remote terminal (REM)
For RCA cable signal input:
Connect the radio's power antenna lead to the amplifier's remote connection for automatic turn-on.
Low Level Input Wiring
Low level input
Use shielded RCA cables for low-level input, preferring RCA for better sound quality.
High Level Input wiring
For High Level input:
Connect speaker outputs from the car stereo to the high-level input for headunits without RCA outputs.
Speaker wiring XM20
Two fullrange speakers to channel 1 / 2
Wiring diagram for connecting two full-range speakers to channels 1 and 2 of the XM20 amplifier.
One 4 ohm subwoofer bridged
Wiring diagram for connecting a 4 ohm subwoofer in bridged mode to channels 1 and 2.
Filter settings CH 1/2 for 2-channel stereo use
Explanation of HPF settings for 2-channel stereo operation on XM20.
Filter settings CH 1/2 for subwoofer use
Explanation of LPF settings for subwoofer use on XM20.
Speaker wiring XM40
1. Four fullrange speakers to XM40.
Wiring diagram for connecting four full-range speakers to the XM40, front and rear.
2. Two fullrange speakers and one subwoofer bridged to XM40.
Wiring diagram for connecting two speakers and a bridged subwoofer to the XM40.
Filter settings front channels CH 1/2
Settings for the high-pass filter on front channels CH 1/2 of the XM40.
Filter settings rear channels CH 3/4
Settings for rear channels CH 3/4 of the XM40, mirroring front channel filter settings.
Speaker wiring XM40
3. Two subwoofers bridged to XM40.
Wiring diagram for connecting two subwoofers bridged to channels 1/2 and 3/4 of the XM40.
Filter settings front channels CH 1/2
Settings for the low-pass filter on front channels CH 1/2 for subwoofer use on XM40.
Filter settings rear channels CH 3/4
Settings for the low-pass filter on rear channels CH 3/4 for subwoofer use on XM40.
Testing
Reconnect Battery
Reconnect the battery's negative terminal after completing all wiring and checks.
Test power wiring
Verify the amplifier's power light comes on and speakers operate when the head unit is turned on.
Test speaker connections
Ensure speakers are correctly connected and playing by using the head unit's balance control.
Troubleshooting
THE AMPLIFIER IS DEAD:
Steps to diagnose why the amplifier is not powering on, checking connections and fuses.
AMPLIFIER PROTECTION FUSE BLOWS AT LOW VOLUME :
Troubleshooting steps for protection fuses blowing, often due to shorted speaker cables.
THE AMPLIFIER TURNS OFF AFTER 10 - 30 MINUTES.
Addresses overheating issues caused by poor ventilation or impedance load below the permitted level.
NO OUTPUT FROM ONE OR MORE SPEAKERS:
Steps to troubleshoot lack of speaker output, checking balance, fader, cables, and signal plugs.
Professional Tips
Noise Problems
Guides to resolve whining noise related to engine revolutions or constant whining noise.
Speaker Polarity Check
How to check speaker phase by ensuring cones move in the same direction for proper sound.
Installing in trunk
Advice on running power wires along vehicle wiring paths when installing the amplifier in the trunk.
Securing wires
Use wire ties to bundle cables together, but avoid bundling speaker or signal cables with power wires.
Crimp connections
Instructions on how to properly strip wires and use crimp connectors for secure connections.
Speaker and power wires
Guidance on running speaker and power wires separately to prevent interference and noise.
Need help?
Do you have a question about the XM40 and is the answer not in the manual?
Questions and answers