GT4-12 - JBL Car Audio User Guide / Operation Manual. Page 4

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3
GT4-10
GT4-12
GT4-15
10" Automotive 
12" Automotive 
15" Automotive 
subwoofer
subwoofer
subwoofer
Power handling (RMS)
250 Watts
250 Watts
250 Watts
Power handling (Peak)
1000 Watts
1000 Watts
1000 Watts
Sensitivity (2.83V/1m)
90dB
93dB
91dB
Frequency response
28Hz – 500Hz
23Hz – 450Hz
20Hz – 400Hz
Impedance
4 Ohms
4 Ohms
4 Ohms
Mounting depth
147mm
159mm
172mm
Cut-out diameter
232mm
283mm
362mm
Features, specifications and appearance are subject to change without notice.
©2003 JBL, Incorporated • JBL is a registered trademark of JBL, Incorporated
Part No. GT4SUBSEROM
Specifications 
JBL GT4 Series
Declaration of Conformity
We, Harman Consumer International
2, route de Tours 
72500 Chateau-du-Loir
FRANCE
declare in own responsibility, that the products described in this owner’s manual are in
compliance with technical standards:
EN 50081-1:1992
EN 50082-1:1997
Emmanuel Millot
Harman Consumer International
Chateau-du-Loir,  FRANCE. 2/03
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