CONTENTS
Specifications………………………….…………………..……1
Features…………………………………………………………2
Test Conditions And Notes……………………………………2
Controls/connections…………………………………..………3
Mounting…………………………………………….…..………3
Applications………………………………………..……………4
Typical System Configuration…………………………………5
Troubleshooting……………………………………….……..…6
PCB drawings……………………………………..……………7
Parts List………………………………………………..………9
Block Diagrams……………………………………….………12
Semiconductor Pinouts………………………………………13
Exploded view…………………………………………………16
Schematics……………………………………………….……17
Packing…………………………………………………………26
SPECIFICATIONS
Power Output, 4 Ohms
75W x 4
Power Output, 2 Ohms
150W x 4
Power Output, .Bridged, 4 Ohms
300W x 2
MIN. Speaker Impedance
2 ohm
Frequency Response .....
11Hz~45KHz, ±1dB
Input Sensitivity (RCA type)
250mV~6V
THD + Noise (4 Ohms) .....
0.04%
Signal-to-Noise 95
dB
Maximum Current Draw
78A
Fuse
Replacement
30Ax2
External Dimensions
Length
12
¼”
(312mm)
Width
17”
(432mm)
Depth
2
9/16”
(66mm)
JBL continually strives to improve its products. New materials, production methods and design refinements are introduced into existing
models without notice as a routine expression of our design philosophy. For this reason, Power Series Multichannel Automotive
Amplifiers may differ in some respects from their published specifications and descriptions, but will always equal or exceed the original
specifications unless otherwise stated.
Power Amplifier
PX300.4
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