Bose manual Appendix a SA-4 amplifier connector panel, Connector Description

Appendices

Appendix A: SA-4 amplifier connector panel

AC
POWER	VCA	ROOM CODE switches

		BoseLink
		OUTPUT
		connector
		BoseLink
		INPUT
		connector
	SPEAKER	Status indicator
	OUTPUTS
Connector	Description

AC	AC power cord connector. Power is applied when the power cord is
POWER	inserted and plugged into an AC (mains) outlet. There is no on/off switch
	on the SoundTouch™ SA-4 amplifier.
VCA	Local volume control connector. Allows you to control the volume using
	a wall-mounted control. Contact your Bose dealer or call Bose customer
	service for information on installing this feature. See the contact list
	enclosed in the carton.
SPEAKER	Left and right speaker outputs. Connect only unpowered speakers. A
OUTPUTS	6-ohm minimum load is required. To determine the correct speaker wire
	size, see “Speaker cable recommendations” on page 27.
ROOM	Only switch A is used for SoundTouch™ systems.
CODE
	The output of the SoundTouch™ SA-4 amplifier can
switches		Switch B	Down
	be set to stereo (Switch A up) or mono (Switch A
		Switch C	Down
	down). The mono output mode feeds left and right
	channel audio to both the left and right outputs. This
		Switch 6	Down
	is useful in situations where a stereo output isn’t
	feasible such as when outdoor speakers are used in	Switch 7	Down
	a large area.
		Switch 8	Down
	The remaining six switches should remain in the
		Switch 9	Up
	default configuration:
Status	The green indicator shows the operational state of the SA-4 amplifier.
indicator	See “SoundTouch™ SA-4 amplifier status indicator” on page 19.
BoseLink	Used for connecting the SoundTouch™ wireless adapter to the
INPUT	SA-4 amplifier.
BoseLink	Not used.
OUTPUT

English - 29