Technical data

Chapter 4: Installation
Series SPB Audio Boosters Manual, Revision A
4-14
WARNING: Two different sources of power may be connected to
this unit. Disconnect both sources of power before servicing. Failure
to disconnect both power sources before servicing could result in
serious injury, or death to you and/or others.
4.3 Two-Wire Audio and Four-Wire Audio Modes
The Series SPB Audio Booster can be connected to the SP40S in four different modes. Refer to
Table 4-1 for a description of these modes.