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SM Pro Audio M-Patch 2 Monitor Control Station

Passive Volume Control/ switch box. Rate and review this product
Ships to: Can ship to United States
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SM Pro Audio M-Patch 2 Monitor Control

The M-Patch 2 is a compact desktop/rack-mountable sized passive volume attenuator and patch control device. Building on the success of the original M-Patch, the new M-Patch 2 is a feature packed passive problem solver for nearly all production environments.

SM Pro Audio's original M-Patch circuitry has been refined to further enhance attenuation performance and control. The M-Patch 2 provides an ideal desktop or rack mounted, stereo level control solution for any audio monitoring application.

A great way to passively attenuate stereo signals from soundcards, CD players, pre-amps, and mixers, the M-Patch 2 front panel rotary controls allow precise level adjustments for two input sources. Featuring balanced combo XLR/TRS input jacks and XLR outputs, RCA & 3.5mm jack inputs, mono/stereo summing switch, Mute switch, A/B output pairs, and a built in stereo headphone amplifier, the M-Patch 2 has all bases covered.

No more bit loss! One of the benefits of passive volume attenuation is that you no longer have to control volumes with your software master volume fader. Reducing audio levels from software only reduces your bit depth. It is much more appropriate to keep your software masters at unity and passively attenuate the audio to your active monitors.

No active circuitry, buffers, transistors, batteries, or power supply of any kind can interfere with the main passive output of the M-Patch 2. It simply delivers attenuated signal. That's it... pure, simple transparent.

For users wishing to monitor the audio via the built in headphone amplifier, the included external power supply is required. Even with power connected to the unit the main outputs remain outside of the power circuit!

The M-Patch 2's dual rotary controls allows precise level adjustments within 1dB from 0 to -40dB, with +/- .5dB interchannel accuracy to -60 dB. In addition, the M-Patch 2 features completely balanced operation with its combo XLR/TRS input jacks, and XLR outputs, and can be used in unbalanced applications with the RCA & 3.5mm stereo input connectors. Two stereo output channels are provided (A&B) with a selector switch on the front panel.

The M-Patch 2 is a true problem solver. It will work seamlessly within your system, is very transparent and silent. You will now be able to keep your bit levels up in your system, eliminate using your mixer, and keep all volumes at an acceptable level. This is a very handy tool for a wide variety of applications.

You can use M-Patch 2 anywhere you want to trim the amount of gain; ie, reduce the volume of analog audio signals. For example, you could use one to trim the output of a microphone pre-amplifier. With its high-quality potentiometer, the M-Patch 2 passes signal more accurately, and sounds better than most built-in volume controls. Another use might be to trim the levels of a 5.1 or greater multi-channel monitor system -- either one pair of channels, or two, or all of them. You can also use a M-Patch 2 to trim the output level of a Digital to Analog Converter like those found in high end pre-amplifiers. Or as a local volume control for distributed audio systems. The possibilities are endless.

Handy Application
The M-Patch 2 is great for those times when you prefer to monitor directly from the outs on your sound card or audio interfaces main outputs directly to your monitors. When your monitors are on they are normally extremely loud. As a result, you may become a bit frustrated as the volume is often simply too high to be comfortable. Your only choices is to either hook up through an external mixer and attenuate the signal or to attenuate the signal in the computer outputs, thereby degrading your bit-levels. Neither solution is completely satisfying. Mixers adds color to the signal and reducing the digital output in the computer will compromise the fidelity of your audio.

Typically you should connect the output of your soundcard to the input of the M-Patch 2 using RCA, TRS or XLR jacks. Then you should connect XLR cables from the outputs of the M-Patch 2 to your active monitors or the amplifier that powers the monitors. Turn the volume all the way up on your monitors, software volume control, or amplifier and use the M-Patch 2 on your desktop to control your monitor level. Simple, effective, transparent.

zZounds is an authorized dealer of SM Pro Audio products.
If you have additional warranty questions, please contact the manufacturer at 800-343-0353
Customer Reviews
Rate and Review This Product
zZounds has verified that this customer bought this product from us. "Worthless Piece of Junk"
Sound: First off, I just got this today and it had been a nightmare. In terms of sound, for the first few minutes or so it was alright. Then I did a stretch of non-sound related activities and noticed that my monitors were "sputtering." It was weird. When I turned off the M-Patch they were fine. Also, the headphone amp is TERRIBLE. I cranked it and barely got a whisper out of my headphones. Feature: Some useful stuff - stereo/mono switch, 2 playback sources, 3 input sources, separate vol control for aux and main outputs. Also cool - you can use it as a 'desktop' unit or mount it in a rack. Ease of Use: Super easy - don't even need the manual - just plug everything in and you're set. Quality: Absolutely horrendous. After 10 minutes of use the power cord fell out of the back - it doesn't stay in very well at all. Had to duct tape it to make sure it didn't fall out again. Then, about a half hour later, the entire unit stopped working altogether. What a lousy piece of junk. Value: Like I said before, a pile of junk. Manufacturer Support: I called SM "Pro" Audio and they have evidently changed their number. How convenient. The Wow Factor: It's just a brown and black box, nothing fancy. The knobs are very cheap-looking. Overall: What a worthless piece of junk. First - distorts my monitors (yes, I made sure everything was grounded properly - and I have fairly new KRK RP-8s so they aren't the problem). Second - power cable can't even stay in properly. 3rd - it flat-out died within maybe 4 hours after I set it up.
Style of Music: Classical, Rockestra, Hip Hop
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SM Pro Audio M-Patch 2 Customer Review
Sound: Seems good to me, using it from the sound card of my PC to drive two set of monitors and i cant hear any difference between it being and not being in the signal chain. Mind you the headphone amplifier is bad in my opinion however its a monitor volume control not a headphone amplifier (Just dont buy it for this feature) Feature: It has everything i could ask for at the price. Ease of Use: Very easy and the manual is also really easy to read and understand. Quality: It feels well built, the volume controls are nice to use with just the right amount of resistance and the buttons have a nice feel when being used. The only reason for the 8 is becasue the blue light on the front was dead on arrival (which isnt a problem which is why i didnt return it) so far it seems really good, it remains to be seen how long it will last Value: Well i paid $150 Australian (RPP $200) and for that amount it is great value, more than i expected. Manufacturer Support: Havent used it but i have friends who have used SM Audio's support and have mentioned how good it has been. The Wow Factor: I didnt want it, I needed it, using a PC sound card to control monitors is a bad idea and i needed two sets connected to one source simple as that. I do admit i think it looks good on my dest though. Overall: Im very happy with this, it looks good and does everything i have asked it too. I think SM Audio have done a really good job providing this at such a good price.
Style of Music: Jazz, New Age, D&B, Soul, Blues
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