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If you are replacing an older or inferior woofer, the 
location is chosen for you. Make sure the woofer 
fi ts properly in the hole for the old woofer.
If you are creating your own new location, you 
must be careful to verify that there is suffi cient 
depth to mount the woofer.

 

 

Choose a suitable 
mounting location

Choose the proper 
wiring confi guration

Woofer Mounting Location

Woofer Dimensions

CAUTION

Always consider consulting a professional audio installer 

before installing new speakers. Many manufacturers locate 

speakers behind interior panels that require special tools to 

remove. Be careful and take your time.  

If you are using the speaker wire supplied with your new 

speakers make sure that you run the speaker wires only 

through safe areas. Do not let speaker wire make contact with 

metal edges or hot engine components.

Congratulations on your choice of a MBQuart Subwoofer. 

This “Quick Start” Installation guide is meant to help 

you complete a basic installation. For more detailed 

information on system setting, speaker and subwoofer 

confi guration, and full specifi cations by model, visit our 

website at mbquart.com

It’s a good idea to confi rm that you have purchased the 
correct size speakers to fi t your application. If you have any 
reservations about being able to complete the installation 
yourself, we recommend contacting a professional.

A

B

C

D

E

NW1-254 / NW1-254L

10.79”(274)

2.91”(74)

1.97”(50)

6.65”(169)

9.09”(231)

Before you start

Carefully select a route for the audio signal 
wires. If using existing speaker wires, confi rm 
that the wire is in good shape and not 
shorted. In the case of an illuminated model, 
route a positive and negative wire from a 
sw12V source. Avoid routing wires 
through dangerous areas.

 

Route signal and 
illumination wires

Wiring

Wiring

A

B

D
E

C

Audio Signal Connection

(larger terminals)

Illumination Connection

(smaller terminals)

4

Ω

2

Ω

8

Ω

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