SM Pro Audio M-Patch 2.1: Passive Monitor Controller with Subwoofer Connection - Manual (Page 3)

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FOREWORD
Dear Customer, Thank you very much for expressing your confidence in SM Pro
Audio products by purchasing this unit. The M-Patch 2.1 was designed to be a com-
prehensive “workhorse” test device for home, project and professional studios, live
sound rental companies, repair centers, schools and fixed installations- in short,
virtually any and all venues where audio products are used. Drawing on years of
hands-on experience in the audio industry and valuable suggestions from our cus-
tomers, our engineers have developed a product that we are certain will more then
meet your expectations. As with all SM Pro Audio equipment, the M-Patch 2.1 was
designed to provide you with a superb performance, excellent technical specifica-
tions and uncompromised audio quality at an extremely affordable price.
Regards, SM ProAudio
It should be pointed out, that extreme output volumes may damageyour ears and/or
your headphone units. Turn down the LEVELcontrols before you switch on the unit.
PLACEMENT
The SM Pro Audio M-Patch 2.1 utilizes an electronic circuit. Be sure that there is
enough air space around the unit for cooling. To avoid overheating, please do not
place the units on high temperature devices such as power amplifiers or near other
units which may have high frequency transmittance such as wireless devices.
Mains voltage
The unit comes with a 12V - 16V DC power supply adaptor. Before you connect
your unit to the mains, please make sure that your local voltage matches the voltage
required by the unit! Any damage occurring as a result of an incorrect power supply
selection may not be granted a warranty repair.
SM M-Patch 2.1 Main Features
Professional, multi-purpose passive volume attenuator with built in headphone amplifier.
Dual L/R Balanced Combination XLR–1/4” TRS Inputs Dual L/R Unbalanced RCA In-
puts Dual 1/8” (3.5mm) TRS Stereo Inputs Dual Balanced XLR Master Outputs Dual
Balanced XLR L/R Outputs Balanced XLR Subwoofer Output with Optional Variable
Crossover L/R Balanced Sub/Crossover Returns Three Independent Rotary Analog
Stereo Volume Controls 1/4” TRS Stereo Headphone Output Headphone Volume
Control 1/4” TS Remote Mute Input Five Output Selector Switches with Mutes Ste-
reo/Mono Summing Switch Master Mute Switch
1. INTRODUCTION
In purchasing the new M-Patch 2.1, you have acquired a passive volume control
device of high class that meets the demands of the most professional studios.
An affordable high-quality problem solver for mixer-less DAW and nonlinear video
production environments, the M-Patch 2.1 provides an ideal desktop or rack mount
stereo level control solution for any monitoring or distributed sound application.