SPECIFICATIONS
Club A754 Club A5055
Power output @ 4 ohms 75 watts RMS x 4
50 watts RMS x 4,
320 watts x 1
Power output @ 2 ohms 100 watts RMS x 4
75 watts RMS x 4,
500 watts x 1
Power output in
bridged mode
200 watts RMS x
2 at 4 ohms
150 watts RMS x
2 at 4 ohms
Frequency response 10-40K Hz
10-40K Hz /
10-320 Hz
Crossover frequencies
32-320 Hz variable,
12 dB/ octave
32-320 Hz variable
high- and low-pass
(front and rear);
32-320 Hz low-
pass (subwoofer);
12 dB/octave
Line-level input
sensitivity
200 mVrms –
2.0 Vrms
200 mVrms –
2.0 Vrms
High-level input
sensitivity
2.0 Vrms – 20 Vrms 2.0 Vrms – 20 Vrms
Signal-to-noise ratio >80 dB >80 dB
THD+N @ rated power <1% <1%
Fuse rating 30 A x 2 30 A x 3
Operating voltage 9~16V 9~16V
Dimensions (W x H x D)
12-5/8" x 2-1/16"
x 7-1/8" (320mm x
51.3mm x 180mm)
14-3/16" x 2-1/16"
x 7-1/8" (360mm x
51.3mm x 180mm)
Weight 3.08 kg 3.98 kg
Recommended wire
gauge
8 4
TROUBLESHOOTING
No audio and POWER INDICATOR is off.
• No voltage at BATT+ and/or REM terminals, or bad or no
ground connection. Check voltages at amplifier terminals with
VOM.
No audio and PROTECT INDICATOR flashes every 4
seconds.
• DC voltage on amplifier output. Amplifier may need service; see
enclosed warranty card for service information.
No audio and PROTECT and POWER INDICATORS flash.
• Voltage less than 9V on BATT+ connection. Check vehicle
charging system.
No audio and PROTECT INDICATOR is on.
• Amplifier is overheated. Make sure amplifier cooling is not
blocked at mounting location. Or, there may be voltage greater
than 16V (or less than 8.5V) on BATT+ connection. Check
vehicle charging system.
Amplifier fuse keeps blowing.
• The wiring is connected incorrectly or there is a short circuit.
Check wiring connections.
Distorted audio.
• Gain is not set properly. Check setting. Check wires for shorts
or grounds. Amplifier or source unit may be defective.
Distorted audio and PROTECT INDICATOR flashes.
• Short circuit in speaker or wire. Remove speaker leads one at
a time to locate shorted speaker or wire, and repair.
Music lacks dynamics or "punch".
• Speakers are not connected properly. Check speaker
connections for proper polarity.
Engine noise—whining or clicking—in system when the
engine is on.
• Amplifier is picking up alternator noise. First, check ground
connection on the amplifier – a loose or improper ground is
one of the main causes for noise. Turn down gain. Move RCA
audio cables away from power wires. Installing an alternator
noise filter on power line between battery and alternator might
also be necessary.
HARMAN International Industries,
Incorporated 8500 Balboa Boulevard,
Northridge, CA 91329 USA
www.jbl.com
© 2019 HARMAN International Industries, Incorporated. All rights reserved.
JBL is a trademark of HARMAN International Industries, Incorporated,
registered in the United States and/or other countries. Features, specifications
and appearance are subject to change without notice.
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