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Rolls MX51S Mini Mix 2 Four-Channel Stereo Line Mixer
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- For mixing a microphone XLR input with up to three RCA input signals
- four channels total
- line/ headphone output level
- Brand : rolls
- Model : MX51S
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From the manufacturer
Rolls MX51S Mini Mix 2 Four-Channel Stereo Line Mixer
The MX51s Mini Mix 2 is small four-channel mixer with individual volume controls, and a headphone / line output. The unit has one XLR input along with an 1/8" input and 3 sets of stereo RCA inputs. It has enough gain and output level to connect to a power amplifier, with either RCA or 1/8" jacks. The MX51s is powered by an included ROLLS PS27s 15V adapter.
- Power: ROLLS PS27s adapter, CH 1 Gain: 32 dB XLR jack (highest gain)
- Phantom Power: for CH 1 microphone XLR, Ch2 Gain: 26 dB 1/8" and RCA
- Ch 3 and 4 Gain: 26 dB each RCA, Output: 1/8" stereo and stereo RCA
- S/N Ratio: >90 dB, THD: <.008%, IMD(SMPTE): <.008%
- Input Impedance: 10K Ohms unbalanced each jack, Size: 3" x 5" x 1.25" (8 x 13 x 3.2 cm)
- Weight: 1 lbs. (.45 Kg), For mixing a microphone XLR input with up to three RCA input signals
- Four channels total, Line / Headphone output level
- ROLLS PS27 AC adapter included, Stereo RCA Line-Level Output
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|Sold By||Photo4Less||Moukey||Reditmo||Xisier Electronic Technology||SOLUPEAK|
|Item Dimensions||3 x 1.25 x 5 inches||6.18 x 4.37 x 1.97 inches||4.41 x 1.57 x 2.91 inches||4.13 x 2.95 x 0.98 inches||3.43 x 2.72 x 1.1 inches|
The MX51S mini mix 2 is small four-channel mixer with individual volume controls, and a headphone/ line output. The unit has one XLR input along with an 1/8” input and 3 sets of stereo RCA inputs. It has enough gain and output level to connect to a power amplifier, with either RCA or 1/8” jacks. The MX51S is powered by an included rolls PS27 12 VDC adapter.
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This Rolls MX51S proved to be exactly what I needed: A compact powered mixer with independent volume controls, RCA output, and at least 2 RCA inputs. This mixer actually has 4 inputs, but one is XLR mono for a microphone.
The mixer has a very quality construction with a powder coated metal case, solidly attached input and output jacks, and very nice potentiometer knobs with a detent at the 12:00 (gain = 1) position. The mixer actually provides a mild amplifier capability if you turn the knobs past 12:00, but some people report clipping at max gain. This is hardly a drawback, as a unit this small with mixing capabilities really isn't meant to be used as a serious amp. I just set my overall system volume loud enough that a gain of 1 is more than I will ever need, and I keep the input volumes turned down.
The mixer works excellently. I can play both sources at the same time with fully independent volume control, something that I didn't have in my system prior to my upgrades, so even though I hadn't originally planned to use a mixer with my setup, I am very glad that it eventually became necessary, because I now have much greater versatility. The mixer is very compact and fits nicely off to the side in one of the shelves of my AV cabinet. Many other mixers are much larger and although they probably work well too, I don't have the space or need for that kind of thing.
I did run into one interesting issue while using this mixer. Both sources that I have fed into it are analog signals from DAC's. I went through 5 different DAC's before getting a setup that actually worked correctly all the time. One of them, an Insignia purchased from Best Buy, started causing loud popping and clicking to come out of my speakers after the optical source was turned off...but only when it was connected to this mixer. If I plugged it directly into my sound system, bypassing/disconnecting the mixer, it was fine. HOWEVER, with the DAC's I eventually settled on (one a FiiO D3 and one an eSYNiC), this problem does not occur at all, so I'm guessing that some combination of poor grounding and signal interference created a "perfect storm" between the Insignia and the Rolls mixer. In any case, the issue no longer occurs, and I don't think the mixer is to blame at all.
Overall, I am very impressed and pleased with the mixer. It does exactly what I need, does it very well, and all for a bargain price.
First, the build quality is astounding. It weighs a lot for it's size 'cuz it's the real deal - not Chinese crap that cuts every corner possible. It's a steel case that's powder-coated. The pots (knobs) feel like silk and there's zero noise from them. The RCA jacks are gold plated.
This thing sounds amazing and is so perfect for my use - it sits below one of my four screens and when the phone rings, it's no longer a mad fumble to turn down the music.
Now a couple of things I encountered while shopping for this: Some of the photos show units that don't say Made in the U.S.A. I insist on buying American so I was concerned. Mine does say it's Made in the U.S.A. so I'm guessing that's just an odd photo. Second, the Rolls web site says something about mono on an output or something. I could never figure it out. I figured I'd return it if it was mono. The instructions it comes with says that it's true stereo through and through. Of course, that doesn't apply to the mic input. BTW, I bought the version with the mic in case I wanted to create tutorials and webinars on my computer.
The only thing not mentioned anywhere is the headphone/line output. When I plugged in headphones, the rear RCA outputs cut the signal in half (I was surprised it didn't mute it) so you still hear sound in the room. The headphone volume is then controlled not my a separate pot, but by the channel pots. I didn't try the headphone out as a line out so I don't know if it senses line out and produces a level output un-affected by the pots. I've seen a lot of other devices do that so I'm guessing it does.
If you need to mix three sources and optionally, a mic, you can't beat this unit.
The mixer is solidly built and it was easy to set the two volume levels for our inputs. The mixer operates very cleanly without noise when adjusting the volume levels. I appreciate that there are still two inputs available after using the RCA inputs on channel 3 & 4 for the microphone and TV audio. Channel 2 has either RCA input or 1/8" stereo input, so it is a logical choice to use for an iPod input at some point. Channel 1 only has an XLR input with switchable phantom power so we could use that for a wired microphone at some time if we want. It would be a very useful input for a DJ arrangement (maybe for a Karaoke night?) although we aren't using it at this time.
Top reviews from other countries
Not having any cross-talk issues between devices, and am able to run multiple sets of audio without much issue. Also my L-R audio comes through more accurately than my old device did. I actually have a left and right now!