Boss BX-8 Owner's Manual page 7

© Effect 1 Return Jack (L, R)
output, connect it to the L jack on the mixer.
@ Effect 2 Send Jack
@ Effect 2 Return Jack (L, R)
output, conect it to the L jack on the mixer.
@ Output Pin Jacks (L, R)
Through these pin jacks, mixed signal is sent out. Con-
nect these to a tape deck, etc.
@® Output Jacks (L, R)
Through these jacks, mixed signal is sent out. Connect
these to a power amplifier, etc.
@ Output Level Selector Switch
@ AC Adaptor Connector
Connect the supplied AC adaptor to this connector.