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Bose PowerSpace+ Configuration Utility User Guide
Appendix A: Audio and Control Connections
The P4300+ and P4150+ include two types of analog inputs for audio devices: summed mono RCA con-
nectors and balanced Euroblock connectors. A mono RCA input into input 1 (red or white) and/or input 2
(red or white) are acceptable mono audio sources.
The following diagrams show the recommended balanced/unbalanced wiring between the Euroblock
audio connectors on the amplifier and common audio connectors to external audio components.
Connecting Analog Audio Devices
Use the included green 3-pin Euroblocks to connect to the inputs, or use the orange 3-pin Euroblocks to
connect to the 600 Ohm music-on-hold auxiliary output or the line-level auxiliary output.
Dynamic Microphone Connection
Input 4 of the P4300+ and P4150+ can accept either a line-level source (default), a PTT/VOX dynamic
microphone, or interface to a 600 Ohm telephone paging system. You can change the input type from the
default in the web-served UI. Use the included green 4-pin Euroblock to make this connection.
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