Bose FREESPACE 4400 User Manual

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If clipping is occurring at the input of an amplifier channel, the 
source LED will blink red.

If this fault occurs:

• Reduce the output gain of the source, or

• Using the FreeSpace 4400 Installer™ software, reduce the 

input gain for the channel that is clipping.

If the DIRECT INPUT LED is red:

• Check that the DIRECT INPUT/CONTROL contact closure is in 

the closed position.

• Check the device to which this input is connected.

STANDY & SYSTEM LEDs 

are off - AC power is on

Is FreeSpace 4400 

unit plugged into an

AC source?

Plug the FreeSpace 4400 system 
into an AC receptacle.

No

Yes

Set FreeSpace 4400 POWER 
switch to ON.

Press the STANDBY switch on the 
FreeSpace 4400 front panel.

Is the 

FreeSpace 4400

POWER switch

set to ON?

Is STANDBY 

indicator on?

Yes

No

No

Yes

Is SYSTEM STATUS 

indicator red?

Is the unit properly 

configured for the line 

voltage?

Yes

No

No

Yes

• Connect your PC to the 

FreeSpace 4400 system and 
read the Error Log.

• Check the results of the Power On 

self test (POST).

• Use the POST troubleshooting 

chart for course of action.

• Set FreeSpace 4400 POWER 

switch to OFF.

• Verify that FreeSpace 4400 sys-

tem is configured for the correct 
AC line voltage.

• Verify that the fuse is good.

• Verify that the AC receptacle is 

live.

• Set POWER switch to ON.

Contact your local 

Bose representative or 

visit pro.Bose.com