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Specifications:

Enclosure Type:

Acoustic Suspension (Sealed)

Driver Type:

(2)10W1-8

Nominal Impedance:

4

Cont. Power Handling:

250Watts

JL Audio recommends using a high quality amplifier such as the JL Audio 250/1. The diagram below shows the recommended
crossover, infrasonic filter and equalizer settings for the 250/1 when being used to power your Stealthbox®.

Included Hardware:
(2) 

3/8”-16 X 2-1/4” Socket Set Screw

(2) 

3/8” Fender Washers

(2) 

3/8” Flat Washer

(2) 

3/8” Lock Washer

(2) 

3/8’-16 Hex Nut

10369 N. Commerce Pkwy, Miramar, Florida 33025-392      Phone: 954.443.1100     Fax: 954.443.1111

JL AUDIO 

250/1

monoblock subwoofer amplifier

Amplifier Input Section

Input Sens.

Input Voltage

Low/High

Left Ch.

Right Ch.

Signal Sensing

Off/On

Output Mode

Full-Range/Low-Pass/High-Pass

Left Ch.

Right Ch.

Amp LP Filter

Mode/Slope

Off/12dB/24dB

Filter Freq. (Hz)

Bass Control

LF Boost (dB)

Off/30Hz

Infrasonic Filter

+1

+13

+3

+7

+10

Preamp Output Section

+12VDC

Ground

Remote

The JL Audio 250/1 is a very versatile audio component. Please consult the owner’s manual for detailed information
about installing and tuning this amplifier.

STEP 9:

Double check the woofers for proper

functioning.

Run speaker wire to the enclosures mounting loca-
tion and secure it to the wire terminal on the enclo-
sure.

STEP 10:

Place the enclosure back into the

mounting location Line up and guide the two socket
cup set screws through the drilled holes from

STEP 8

.

STEALTHBOX WALL

THREADED INSERT

VEHICLE SHEET METAL

FENDER WASHER

SOCKET CUP SET SCREW

LOCK WASHER

FLAT WASHER

HEX NUT

STEP 11:

With the supplied hardware, place as in

order of direction.

Place the fender washer, flat washer, lock washer and
then hex nut onto the protruding socket cup set
screws.

Adjust the socket cup set screws for more or less
threads that are needed. Hand tighten the nuts, till
both mounting assemblies are on.

Tighten securely.

S B - D - T R K E X T / 1 0 W 1 ,   J L   AU D I O,   I n c   2 0 0 4

S h e e t   S K U # 0 1 1 1 0 5     R ev i s i o n 6 / 2 8 / 2 0 0 4  

Pa g e  3

w w w . j l a u d i o . c o m

Mid/High Frequency Driver Information:

CONGRATULATIONS!
INSTALL COMPLETE.

XR525-CXi

Front Location Driver Size:

6”x9”

Applicable JL Audio Products:

N/A

Rear Location Driver Size:

5.25”

Applicable JL Audio Products:

TR,VR,XR525-CXi

Cont.
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Difficulty Of Installation:

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