SM Pro Audio M-Patch 4M: Passive Controller/Switcher with Talkback User Manual

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Multiple switches provide for mute, source selection, output assignment, and stereo/

mono operation. A built-in talkback microphone, which automatically ducks the Control

Room outputs -20dB when engaged, an on-board headphone amplifi er, and confi gu-

rable desktop or rackmount operation, make the M-Patch 4M an ideal centerpiece for

monitor control in home, professional, and project studio applications.

M-PAtch 4M Input Section

M-PATCH 4M Master Section
M-PATCH 4M Output Section

Balanced/Aux switch: Here you decide, if you want to hear

the balanced or unbalanced inputs in the control room.

Switch between Stereo or

Mono in the control room.

The Master Rotary Volume At-

tenuator adjusts the volume of

all signals in the control room.

„All Mute“ mutes all sig-

nals in the control room.

Here you choose which input sources (bal-

anced BL1/BL2 or unbalanced UB1/UB2) are

routed to the outputs “Studio 1” and “Studio 2”.

Here you decide, if the balanced

inputs 1 or 2 are outputted to the

control room outs 1 or 2.

Here you adjust the volume of the

balanced inputs which are outputted

at the control room outputs 1 and 2.

Here you adjust the volume of the un-

balanced inputs which are outputted

at the control room outputs 1 and 2.

Here you decide, if the unbalanced

inputs 1 or 2 are outputted to the

control room outs 1 or 2.