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OWNER’S 

MANUAL

CAR  ACTIVE SUBWOOFER

Installation recommendations

Setup recommendation

* Note: It is difficult to avoid shaking or bumping while driving, so the subwoofer should be securely 
fixed. It is recommended to use the straps (supplied with the subwoofer) to secure the subwoofer to 
the tube-type enclosure.

To prevent the subwoofer from overheating, there should be nothing around it. For effective cooling, 
air must circulate freely around the subwoofer.

Select the most suitable location for installing the subwoofer depending on the brand of car and the 
space  available  in  the  trunk.  The  best  in  terms  of  sound  quality  and  the  safest  place  to  install  a 
subwoofer is the space behind the rear row of seats on the boot floor.

Do not listen to music at high volume levels for long periods of time, and while doing so, make sure 
that the subwoofer does not overheat.

3. Set the volume on the radio tape recorder to the maximum level at which sound distortion will not 
occur.  If  you  hear  distortion,  reduce  the  volume  on  the  radio  tape  recorder  until  the  distortion 
disappears. Leave the volume control of the radio at this level while tuning the system.

5.  Adjust  the  cutoff  frequency  with  the  “FILTER”  knob.  When  listening,  make  sure  that  there  is  no 
audible distortion.

4.  Gradually  increase  the  subwoofer  level  with  the  “LEVEL”  control  until  you  hear  distortion  in  the 
sound. If distortion occurs, turn the “LEVEL” control back slightly.

High power car sound systems are capable of delivering sound pressure levels exceeding 130 dB.

1. Set the level control on the subwoofer “LEVEL” to the minimum value (far left, 

2V

).

2. Set the crossover switch to “L.P.F.”. The “FILTER” control is in the middle position.

Model
Nominal diameter
Rated power
Maximum power
Resistance
Frequency Response Range
Sensitivity (SPL / 1W / 1m)
Working voltage
Power supply voltage
Subwoofer cabinet dimensions
Box size

SW-T20A
8“ (20 cm)
81 W 
801 W
4 Ohm
40 – 1200 Hz
87 dB
12 V
14,4 V (10,5 V – 16 V)
360 x 250 х 260 mm
375 х 265 х 280 mm

Technical features

SW-T25A
10“ (25.4 cm)
101 W 
1001 W
4 Ohm
30 – 1000 Hz
88 dB
12 V
14,4 V (10,5 V – 16 V)
430 х 287 x 303 mm
450 х 305 х 320 mm

SW-T30A
12“ (30.5 cm)
121 W 
1201 W
4 Ohm
20 – 800 Hz
90 dB
12 V
14,4 V (10,5 V – 16 V)
450 х 350 x 360 mm
470 х 370 х 380 mm

WARNING! 

PLEASE READ CAREFULLY BEFORE USING

www.aurael.ru

©2020 AURA Electronics Inc. All rights reserved.

SW-T20A
SW-T2

5

A

SW-T

3

0A

Due to continuous product development and improvement, all specifications are subject to change without notice.

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