Roland M-48

Live Personal Mixer, 16 Stereo Channels, with Level, Panning, Equalization, and Reverb Controls, Plus Ambient Microphone, Auxiliary Input, and Recording Output
Roland M-48 image 1
Roland M-48 image 1

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Roland M-48
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Unprecedented Personal Mixing Flexibility!

When developing the M-48 live personal mixer, RSS set out to make "personal" monitoring truly personal. The M-48 does just that. It gives each performer onstage the capability to take charge of 16 stereo groups, controlling volume, panning, a 3-band EQ, and reverb for each group - very flexible. Assisted by the S-4000D distribution system, all channels and power come to the M-48 via discreet Cat 5e. But, that's just the start of the M-48's amazing feature set. Keep reading to get the whole story on the RSS M-48 live personal mixer.

RSS M-48 Live Personal Mixer at a Glance:
  • Adjust custom settings for up to 16 stereo groups
  • Problem-solving "extras," including an ambient microphone
  • Super-convenient connectivity - both via input and via output
  • Conveniently mounts to any microphone stand
  • For optimum control, it integrates seamlessly with the M-400 V-Mixer
  • Can connect to any existing console via an RSS Digital Snake system
  • Superb audio quality, thanks to 24-bit, 40x40 REAC Cat 5e technology
  • Requires the S-4000D REAC splitter with embedded power
Adjust custom settings for up to 16 stereo groups

The RSS M-48 gives onstage performers an unprecedented level of personal mix control. Each performer can control levels of 16 stereo groups, assigned and spread out across the M-48's knobs in any order. The M-48's knobs support multiple functions - by engaging different switches, you can control volume, panning, a 3-band EQ, and reverb settings. There are even LED ring indicators, so you'll receive visual feedback as you dial in levels on dimly lit stages. Worth noting, a "dimmer" switch" on the rear panel lets you adjust the level of the M-48's entire LED spread, in case you need to keep it discreet in a particular stage environment. Add to all that a limiter function, so you'll have built-in protection against sudden volume spikes.

Problem-solving "extras," including an ambient microphone

RSS's M-48 is impressive from its personal controllability standpoint, but RSS certainly didn't stop there. Each M-48 is packed with welcome problem-solving extras. For starters, there's an ambient microphone on each M-48. Instead of pulling out earbuds to hear someone who walks up to talk to you, you can just bring up the ambient microphone level and leave in your earbuds. Or, keep the ambient microphone on all the time, to get a sense of what's happening onstage. Beyond that, there's an aux input, so you can connect up an MP3 player, a metronome - any other device you want mixed into the primary sound. Plus, each M-48 features an 1/8" recording output, so you can record your personal mix to a portable recorder - perfect for recording rehearsals and practicing along at home.

Super-convenient connectivity - both via input and via output

The RSS M-48's convenient connectivity includes the aux input and recording output mentioned before - both very handy. The M-48 also offers two 1/4" TRS outputs, so you can feed wedge monitors to supplement each M-48 mix. Possibly even more handy, the M-48 offers both 1/4" and 1/8" headphone inputs with an attenuation knob. Working in tandem with the volume knob, you can adjust the M-48 to accommodate any set of headphones or earbuds.

Conveniently mounts to any microphone stand

You can put the RSS M-48 within comfortable reach of any performer onstage. Using the included mounting bracket, you can simply mount it to any microphone stand. The bracket is even designed with a removable headphone hanger and accessory tray - so you can keep 'phones, a pencil, and a portable recorder all handy onstage.

For optimum control, it integrates seamlessly with the M-400 V-Mixer

If you seek the most flexibility from your M-48 system, you'll want to pair it with the RSS M-400 V-Mixer. With it, you can setup, maintain, and control 40 channels of monitor output to each M-48 connected to the system. In fact, it will auto-recognize each M-48 and let you name each one. It's also packed with memory recall, making it easy to set each M-48 up exactly the way you had it the last time. And if, for example, you have performers onstage who may not want to mess with controlling their own M-48, the M-400 lets whoever's running sound control volume, pan, and EQ of all of the channels remotely.

Can connect to any existing console via an RSS Digital Snake system

While the M-48 excels when used as a part of a larger RSS system, it's also ready to integrate into any other console setup you've got going already. If you're setting it up with an existing console, you'll want either the S-1608 (16-channel) or the S-4000S (40-channel) Digital Snake. Then, simply connect your PC to the serial port onboard either snake, and you can take charge of the setups and presets using included system-management software.

Superb audio quality, thanks to 24-bit, 40x40 REAC Cat 5e technology

If you're not already familiar with Roland's REAC (Roland Ethernet Audio Communication) technology, then prepare to be impressed by its excellent audio quality. Roland has managed to develop a low-latency, high-quality digital audio transfer system, all via lightweight, inexpensive, and easy-to-install Cat 5e cable. Over one Cat 5e cable, the REAC technology can transfer 40x40 channels of 24-bit digital audio - and it's immune to the problems associated with analog transfer methods, such as hum and buzz.

Requires the S-4000D REAC splitter with embedded power

Adding to the REAC technology, RSS has developed "REAC Embedded Power," which enables the transfer of not only digital audio, but also power - all via one Cat 5e cable. The necessary S-4000D Splitter and Power Distributor (sold separately) features 10 REAC ports, including eight ports of REAC Embedded Power. The system automatically detects and distinguishes a product not supporting REAC Embedded Power. In that case, it will instead function as a standard splitter on that port.

RSS M-48 Live Personal Mixer Features:
  • Enables personal, flexible control of 40 channels onstage
  • Supports level, EQ, panning, and reverb adjustments for each channel
  • Features a built-in ambient microphone and an auxiliary input
  • Recording outputs lets you record your mix to a personal recorder
  • 1/4" and 1/8" headphone inputs with attenuator, for use with any headphones
  • Mounts to the top of any microphone stand with included bracket
  • Included bracket features a headphone hanger and an accessory tray
  • Optional bracket (sold separately) supports mounting to the middle of stands
  • Integrates seamlessly with the Roland M-400 V-Mixer
  • Can work with any existing analog setup through use of RSS Digital Snakes
  • Settings are recallable and remote controllable - via M-400 or PC software
  • REAC technology transfers audio and power via discreet and inexpensive Cat 5e
RSS M-48 Live Personal Mixer Specifications:
  • Number of Input Channels: 43 (40 in, 1 Stereo Aux in, 1 Ambient Mic in)
  • Number of Output Channels: 4 (1 Stereo Line out, 1 Stereo Phones out)
  • AD/DA Conversion: Sample Rate: 96.0kHz or 48.0kHz or 44.1kHz, Signal Processing: 24 bits
  • Dimensions: 11-3/4" (W) x 6-3/4" (D) x 2-11/16" (H)
  • Weight: 3 lbs. 5 oz. (M-48), 1 lb. 6 oz. (Mounting bracket and bracket tray)
The RSS M-48 readies you for serious personal mixing flexibility!

Additional Media

Live Sound Monitor Buying Guide
Studio Monitor Buying Guide
Roland Announces Update for M-5000

Tech Specs

Form Factor Desktop
Number of Channels 16
Manufacturer Part Number M-48

Customer Reviews

Based on 3 reviews
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Roland M-48

My church is in a small building with horrible acoustics and we had talked about purchasing a personal monitor system for several years in order to cut back on overall volume from the platform wedges. It's a really big investment and we just wanted to make sure that we bought something that the entire worship team would be happy with. After a lot of research we finally decided to go with the Roland M-48's. We purchased the PM5 with plans to add more in the future. This was one of the best decisions that we have made as far as equipment goes. The M-48's give the users an incredible amount of freedom to make any settings necessary in order to get the perfect mix. All of our musicians and singers love them...and you should have seen there eyes when they added the reverb into the mix....AMAZING! When you pair this system with a Roland Vmixer (we are using the M300) there is another feature that is really cool. As the worship leader, on any given Sunday, I might lead from my keyboard that is set up on stage right or my guitar from center stage. My primary M-48 is center stage and the signal is hardwired to my PSM900. But how do I control my primary M48 from the Keys M48 on stage right? Roland was pretty smart with this feature. By accessing the "Engineer's Monitor Setup" on our M-300 I can remotely access my Primary(center stage M48) from any other M-48 on the platform. Really cool and really handy! The initial set up of the M-48's was pretty easy and teaching the worship team how to navigate the M-48 wasn't to hard either; I showed the free training videos provided by Roland and with in an hour or so we had everything up a running. I have gotten a lot of compliments from the singers and musicians because of how well they can hear complaints! The only obstacle that was that, even though the M48's have fantastic ambient mics for close proximity, we needed to hang some ambient mics in order to hear the congregation and not feel so isolated. Easy fix and complaints. Our main mix to the congregation is noticeably clearer and my tech crew loves the fact that there is no more battling with the platform wedge monitors. Another great product from Roland!
Music background: Worship Leader/Pastor/Musician since 1995

Engineer and musicians loved them.

We have used various personal monitoring systems including Furman, Aviom, Proco Momentum, and now the Roland RSS M-48. While the Proco has 32 seperate channels the M-48 has it beat with several other features plus the fact you can use any of the 48 channels on the M400 console and just group them into 16 channels, so you really still have more channels that it sounds. Plus the musicians love the onboard EQ, reverb, and ambience mic. My pianist is usually the hardest to please and he loves these units. My life is easier when setting these up since you can do it directly from the Roland console or even better from the software on a PC. The entire RSS system (M400, M380, RSS Snake, and M48 mixers) are just one great integrated system.
Music background: Live Sound and Recording Engineer

Great system

We recently bought a roland m400 and six of these roland m-48's for our church. We were in between Aviom and this system, and we ultimately went this route because it was newer and I was never really that impressed with Aviom. Let me just say, I'm glad we did. If you've ever played with the Aviom system, you know some of the challenges and limitations it has... This system improves on many of those flaws and sounds great doing so. Probably the biggest advantage over aviom is the ability to eq each channel. A great in ear mix is accomplished by levels, sure... But panning and eq really make for a great mix... Throw in the ability to add a little reverb, and activate the limiter, and there's really no comparison. Again, I'll just say that I'm extremely pleased with the sound quality of these units and have really loved using them... Now let me give you a few drawbacks. First, the ambient mic is borderline useless in a musical setting. This was a huge bummer for me, because I was very excited about the idea of an ambient mic... In ear mixes can be a challenge for some, if you're not used to it... And in my setting we're getting a lot of long time players to try in ear for the first time... Their biggest complaint is almost ALWAYS, that they can't hear the rest of the band... or it sounds too "in the box". I was hoping the ambient mic feature would help that.. But it was basically useless musically. The ambient mic IS useable if you're just trying to hear another musician talk across the stage... But, musically speaking it's a very noisy mic and at levels above about 1/4 it adds too much hiss to use. Instead, we just set up a few condensers on the stage and feed those into the in-ears, and that seems to work great. Second complaint is this... We outfitted our band with wireless in ear transmitter/receivers (sennheiser ew 900) to go in combination with the m-48, so that they wouldn't have to be "wired" and could move around the stage, but would still have the advantage of setting their own mix... One thing to note about doing this (something I wasn't aware of until I hooked the system up through the line outs on the m-48) is that the ambient mic as well as master eq doesn't work through line out. Not a HUGE problem because I rarely use the ambient mic, but it would have been nice to know. Besides that, these are great systems. I would recommend them over the aviom or hearback pretty much any day.
Music background: Worship Leader
See also: Headphone Amps, Roland, Roland Headphone Amps and Distribution, Roland Headphone Amps and Distribution, Roland Personal Mixers