Specifications
Sonnex Multiroom Audio System    Crestron SWAMP(I)-24X8 
34 
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 Sonnex Multiroom Audio System: SWAMP(I)-24X8  Operations Guide – DOC. 7049D 
Set Speaker Impedance 
To specify the impedance of speakers connected to a zone output, perform the 
following procedure: 
1.  Enter the “Zone Setup” menu as described in “Enter/Exit the “Zone Setup” 
Menu” on page 28. 
2.  Press 
q
 or ▲ to display Impedance and press ENTER. A list of zones is 
displayed. 
3.  Press 
q
 or ▲ to display the zone to be configured and press ENTER. The 
Impedance screen is displayed. 
Impedance Screen 
Zone 1
Impedance
8 
Ohm
q
4.  Press 
q
 or ▲ to display the speaker’s impedance rating and press ENTER.  
5.  Repeat for every zone to be configured. 
6.  Press MENU to return to the “Zone Setup” menu. 
Set Speaker Protection 
To enable/disable speaker protection for a zone output, perform the following 
procedure: 
NOTE: As speaker ratings vary greatly across manufacturers, there is no guarantee 
that Sonnex Speaker Protect protects against speaker damage in all situations. 
1.  Enter the “Zone Setup” menu as described in “Enter/Exit the “Zone Setup” 
Menu” on page 28. 
2.  Press 
q
 or ▲ to display Speaker Protect and press ENTER. A list of zones 
is displayed. 
3.  Press 
q
 or ▲ to display the zone to be configured and press ENTER. The 
Protect screen is displayed. 
Protect Screen 
Zone 1
Protect On
q
4.  Press 
q
 or ▲ to display the desired speaker protection setting and press 
ENTER.  
5.  Repeat for every zone to be configured. 
6.  Press MENU to return to the “Zone Setup” menu. 
Set Crestron Dynamic Range 
Control (DRC) 
To enable/disable DRC for a zone output, perform the following procedure: 
1.  Enter the “Zone Setup” menu as described in “
Enter/Exit the “Zone Setup” 
Menu” on page 28. 
2.  Press 
q
 or ▲ to display Crestron DRC and press ENTER. A list of zones 
is displayed. 
3.  Press 
q
 or ▲ to display the zone to be configured and press ENTER. The 
Crestron DRC screen is displayed. 










