MB QUART Reference Amplifiers - Manual (Page 8)

Mono Amplifiers
7
RA1000.1 / RA1500.1 / RA2000.1
SUBWOOFER
MONO LINE
INPUT
CHASSIS GROUND
REMOTE TURN-ON
TO BATTERY +12V
VIA FUSE
Interconnect cable checklist:
Connect the inputs to a suitable source, e.g. a head unit with
good quality RCA cables.
Use at least #12 gauge speaker wiring.
Control checklist:
Refer to the section “Settings for Best Performance”
Minimum final loudspeaker impedance: 1-Ohm.