CS300.1 - JBL Car Audio Service Manual (repair manual). Page 4

APPLICATIONS – CS300.1

The CS subwoofer amplifier is a 
single-channel amplifier. There are 
two sets of terminals to make it easy 
to connect multiple woofers. Either 
set of (+/–) terminals may be used
when connecting woofers.

To the right are two application 
diagrams to help plan your subwoofer
system installation. 

show how to configure the 

CS300.1 

subwoofer amplifier. 

NOTE: For simplicity, Figures 2 and 3 
do not show power, remote and input
connections.

NOTE: Minimum speaker load is 
2 ohms total.

Figure 2. CS subwoofer amplifier with two woofers
connected.

Figure 3. CS subwoofer amplifier with one woofer
connected.

Figure 4. CS50.4 amplifier in 4-channel (stereo) 
operation to drive front and rear full-range speakers.

Figure 5. CS50.4 is set up for 3-channel operation to
drive a set of full-range speakers and a subwoofer.

Figure 6. CS50.4 used in bridged 2-channel mode 
to drive a set of components or subwoofers. Set
crossovers according to application.

The CS50.4 can be set up for stereo 
4-channel, 3-channel or bridged 
2-channel operation, as shown in
Figures 4 through 6. 

NOTE: For simplicity, Figures 4 through
6 do not show power, remote and input 
connections.

NOTE: Minimum speaker impedance
for stereo operation is 2 ohms.
Minimum speaker impedance for
bridged operation is 4 ohms.

 

CS Series 300.1

 

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