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Set the FILTER selector switch on the control panel 
to “HP” (high-pass filter), “LP” (low-pass filter) or 
“OFF” according to the speaker system.
Also, refer to the manual supplied with your 
speakers for further details.

Note
Certain products shown in the diagram may not be 
available in your country or region.

Ǵ 6-speaker system (recommended for 
the high-resolution audio system)

With the input connection Ƀ or Ʌ (page 6, 7)

Speaker Connections

Hi-Res Audio 

supported car audio unit 

(e.g. RSX-GS9)

XM-GS4

(this unit)

Power amplifier

(e.g. XM-GS100)

Super tweeter

(e.g. XS-GS1)

Full-range speaker

(e.g. XS-GS1621)

Subwoofer

(e.g. XS-GSW121)

Front speaker (min. 4 Ω)

Rear speaker (min. 2 Ω)

Crossover network

Front super tweeter (min. 4 Ω)

Ƿ 2-way system

With the input connection Ƀ or Ʌ (page 6, 7)

Note
In this system, the volume of the subwoofer will be 
controlled by the car audio unit fader control. 

Ǹ 2-subwoofer system

With the input connection Ʉ (page 6)

Full range speakers (min. 2 Ω)

Subwoofer (min. 2 Ω)

Subwoofer (min. 4 Ω)

ǵ 4-speaker system

With the input connection Ƀ or Ʌ (page 6, 7)

Ƕ 3-speaker system

With the input connection Ƀ or Ʌ (page 6, 7)

ˎ In this system, the volume of the subwoofer will be 

controlled by the car audio unit fader control. 

ˎ In this system, the output signals to the subwoofer 

will be the combination of both the REAR L INPUT and 
REAR R INPUT jacks or the REAR high level input 
connector signals.

Front speaker (min. 2 Ω)

Rear speaker (min. 2 Ω)

Full range speakers (min. 2 Ω)

Subwoofer (min. 4 Ω)

• 

This set can be disassembled in the order shown below.

Note: Follow the disassembly procedure in the numerical order given.

Note: Please spread a sheet under a unit
 

not to injure heat sink (main).

5 bottom plate block

2 two screws

u L)

2 two screws

u L)

1 screw

u L)

3

4 two claws

7 MAIN board block

2 insulating sheet

5 connector (CN907)

6 connector

1

3 three screws

u 10)

3 three screws

u 10)

3 three screws

u 10)

4 Lift up the handle in the 

Note 1: Please spread a sheet under a unit 
 

not to injure heat sink (main).

Note 2: After unfastening the screw, 
 

taping with the screw inserted 

 

facilitates the work.

3 front panel

4 MAIN board

1 two screws

u L)

1 screw

u L)

1 two screws

u L)

2

3

2 two screws

u L)

2 two screws

u L)

1 fan connector 

Note 2: Wire stay to under 
 LED 

board.

Note 4: Both wires not stay in groove.

Note 3: Push wires down to stay in groove.

4 CONTROL board block

1: When installing the CONTROL board block,  

 

 

align the two ribs and two holes.