RSS by Roland Digital Consoles M-400 V-Mixer
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Main Features
A Breakthrough Live Mixing and Recording System
The M-400 is a complete digital mixing system that provides the purest sound possible. The complete system incorporates a digital snake and mixing console in one integrated system. For system details see the V-Mixing System Overview.
- Configurable digital snakes with high quality, remotely controlled mic preamps on stage;
- Cat5e distribution that is light weight, low cost and without the high frequency losses inherent in analog snakes;
- A 48-channel Mixing Console with 18 buses, 8 matrices, channel and bus DSP, 4 stereo FX processors, 4 graphic EQs or 8-band PEQs, built-in stereo recording and playback, and built in multi-channel split port;
- Up to 40 channels of limitless digital splits over Cat5e for monitor/broadcast positions, personal mixing, and/or PC recording without any audio interfaces;
- Full compatability and interchange of projects wih the M-380 V-Mixer;
- Returns to stage over Cat5e cable; and
- Optional Road Case
Easy to Use
The M-400 is designed to be fast and intuitive to use for the beginner or the experienced professional. It features dedicated knobs and buttons for all console functions, 25 touch-sensitive moving faders, onboard Help, large - bright TFT LCD display and Cat5e connectivity for low cost installation and truly portable systems.
Outstanding Sound Quality
The M-400 is a complete digital solution maintaining 24-bit audio from the stage to the splits and back to the stage. Preamps on stage provide the highest possible sound quality and intelligibility. Cat5e snake eliminates the high frequency losses inherent in analog snakes. Onboard digital processing, channel DSP and routing eliminate any chance for buzzes from extra cabling and analog to digital conversion losses. Built-in 24-bit recording provides lossless capture of live events. The Digital Split allows lossless transmission to monitoring, recording or broadcast positions. Bus and Main LRC returns over Cat5e enables a complete digital signal path back to the stage.
Powerful Digital Benefits
Instantly change from event to event with 300 Scenes for total recall of all mixer, effect and routing parameters. Password level access provides only the relevant controls for any particular type of user. PC software allows loading/saving setups as well as real-time control. Libraries provide the ability to for storing custom channel, patchbay and effect settings. Direct to PC recording over Cat5e enables up to 40 channels of direct digital recording.
Version 2 Features
Version 2 of the M-400 V-Mixer - a significant update for the mixing console at the heart of the V-Mixing System. This powerful software update includes
- Support for Revolutionary Personal Mixing with the M-48 Live Personal Mixer
- Support for Left-Center-Right (LCR) sound system configurations
- Six Newly Added Vintage Effects
- Real-time Analyzer
- Enhanced Parametric EQ ability
- Numerous User Interface Enhancements
New Features
 Support for LCR Sound Systems The LCR (Left-Center-Right) mode is now supported as a direct response to customer requests. Simply enable the LCR mode in the system configuration to activate this feature. |
 Support for Personal Mixing and Monitoring The M-400 V-Mixer can be used to setup, configure and control multiple REAC-enabled M-48 Live Personal Mixers. The M-48 represents a breakthrough in professional personal monitoring and mixing. |
 Six Newly Added Vintage Effects Access some of Roland’s legendary vintage effects within the M-400. Original sounds used by engineers the world-over extends the range of live expression. |
 GEQs can now be switched to PEQs Any existing 31-band Graphic EQ can now be switched to an 8-band Parametric EQ. The Real Time Analyzer enables a quick look and instant adjustment of the acoustic characteristics of a venue |
Six Vintage Effects
Roland has been a leader in creating some of the world's most popular effect processors. Now included in the M-400 are six perfectly emulated popular and classic vintage effects.
| Space Echo - RE-201 The world’s standard in tape echo effect. Spring Echo is also emulated perfectly. |
 Stereo Flange - SBF-325 Employs 3 Flangers and 1 Chorus. Supports Stereo Inputs. |
 Dimension D - SDD-320 The studio standard - Dimension. Also supports multi-button mode. |
 Digital Delay - SDE-3000 The standard Digital Delay of sound reinforcement and recording. Can be used by two channels for dual mono effect. |
 Phase Shifter - SPH-323 Dual channel Phaser employs LFO.Also possible to link two units modulation. |
 Digital Reverb - SRV-2000 The standard in Digital Reverb with a accurately modelled EQ character. |
Support and management of multiple M-48 Live Personal Mixers for the ultimate in monitoring environments
For the performing musician wanting the best possible sound quality and flexibility in their individual stage mix, the M-48 Live Personal Mixer offers control over 40 audio sources that can be easily managed in 16 assignable stereo groups. Configurations are straightforward with the ability to control, save and recall all connected M-48s from an M-400 or M-380 V-Mixer allowing the FOH engineer to assist in setup and mixing. The use of IEMs (In-Ear Monitors) dramatically reduces the amount of sound picked up by stage microphones. It also eliminates feedback while providing superb sound quality for both live performance and recording.
 The backbone of the V-Mixing System is based on REAC – Roland’s Ethernet Audio Communication transmission protocol for low latency, high quality digital audio transfer. Products using REAC technology are installed today in many venues and have been used for high profile events worldwide. REAC’s 24-bit, 40x40 channel protocol delivers pristine digital audio via lightweight, inexpensive and easy to install cable (Cat5e). REAC technology is immune to externally induced signal quality degradation or hums and buzzes typically found in analog systems. You have more freedom in cable placement resulting in lower cost and better sounding. Learn more about the power and benefits of REAC> |
Specifications
| V-Mixer M-400 Specifications | |
| PROCESSING | |
| Channels | 48 inputs / 18 buses |
| Signal Processing | 56-bit |
| AD/DA Conversion | 24-bit / 44.1kHz or 24-bit / 48kHz |
| Network Latency |
2.8 ms (typical) |
| CONNECTORS | |
| XLR Inputs (1 to 8 ) | XLR-3-31 type (balanced with phantom power) |
| Talkback Mic Input | XLR-3-31 type (balanced with phantom power) |
| RCA Inputs (L/R) | RCA Pin Type |
| XLR Outputs (1 to 8) | XLR-3-32 type (balanced) |
| Phone Output | Stereo 1/4 inch phone type |
| Digital Outputs | Optical type x 1 and Coaxial type x 1 |
| REAC Ports | RJ-45 EtherCon type x 3 |
| USB Ports | A type x 1 and B type x 1 |
| Remote Connectors | RS-232C (D-Sub 9 pin type) x 1* MIDI (5 pin DIN type) x 2 (Out/Thru & In) * Serial remote control is not available on version 1 firmware |
| Other Connectors | LAMP (XLR-4-31 type) x 1, Grounding terminal, AC Input |
| INPUT / OUTPUT CHARCTERISTICS | |
| Frequency Response | XLR output jacks (1 to 8) : -2 dB / +0 dB (20k ohms load, +4 dBu) Phones jack: -3 dB / +0 dB (40 ohms load, 150 mW) |
| Total Harmonic Distortion + Noise | XLR output jacks (1 to 8): 0.05 % (typical), Phones jack: 0.05 % (typical) |
| Dynamic Range | XLR output jacks (1 to 8): 110 dB (typical) |
| Cross Talk@1kHz | XLR input jacks (1 to 8): -80dB (Pad: ON, Input gain: +10 dBu, typical) XLR output jacks (1 to 8): -100 dB (typical) |
| Nominal Input Level (Variable) | XLR input jacks (1 to 8): -65 to -10 dBu (Pad: OFF) or -45 to +10 dBu (Pad: ON) RCA input jacks (L/R): -18 to 0 dBu Talkback input jack: -50 to -10 dBu |
| Input Impedance | XLR input jacks (1 to 8): 14 k ohms, RCA input jacks (L/R): 10 k ohms, Talkback input jack: 41 K ohms |
| Non Clip Maximum Input level | XLR input jacks (1 to 8): +8 dBu (Pad: OFF) or +28 dBu (Pad: ON), RCA input jacks (L/R): +18 dBu, Talkback input jack: +8 dBu |
| Nominal Output Level | XLR output jacks (1 to 8): +4 dBu (Load impedance: 10 k ohms) |
| Output Impedance | XLR output jacks (1 to 8): 600 ohms, Phones jack: 100 ohms |
| Recommended Load Impedance | XLR output jacks (1 to 8): 10 k ohms or greater, Phones jack: 8 ohms or greater |
| Non Clip Maximum Output level | XLR output jacks (1 to 8): +22 dBu (1 kHz, 10 k ohms load) Phones jack: 150 mW + 150 mW (1 kHz, 40 ohms load) |
| Residual Noise Level (IHF-A, typical) | -88 dBu (All faders : Min) |
| Equivalent Input Noise Level (E.I.N.) | -126 dBu |
| OTHER | |
| Display | 800 x 480 dots Wide VGA backlit TFT full color |
| Power Supply | AC 115 V, AC 117 V, AC 220 V, AC 230 V, AC 240 V (50/60 Hz) |
| Power Consumption | 95 W |
| Dimensions | 749.0 (W) x 626.0 (D) x 229.0 (H) mm 29-1/2 (W) x 24-11/16 (D) x 9-1/16 (H) inches |
| Weight | 19.8 kg, 43 lbs 11 oz |
| * When a REAC Splitter S-4000SP or a switching hub is used in-line with REAC cables, the network latency will increase by the amount of processing delay introduced by the splitting device itself. The actual delay is dependent upon the specifications of the splitting device, (0dBu=0.775Vrms) though the maximum delay amount for a single splitting device should be about 200 microseconds.
In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice. |
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USB Memory Key Capacity
The M-400 V-Mixer can record a 16-bit stereo linear WAV file to a USB memory drive from any two sources. The record sampling rate is dictated by the rate set in the System Setup (44.1kHz or 48kHz).
| Sample Rate | MB per stereo minute | 512MB | 1GB | 2GB | 4GB | 8GB | 16GB | 32GB | 64GB | |
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44.1 KHz |
10 | mins | 47 | 94 | 188 | 377 | 754 | 1509 | 3019 | 6038 |
| hours | 0.7 | 1.5 | 3.1 | 6.2 | 12.5 | 25.1 | 50.3 | 100.6 | ||
| 48 KHz | 11 | mins | 43 | 86 | 173 | 346 | 693 | 1386 | 2773 | 5547 |
| hours | 0.7 | 1.4 | 2.8 | 5.7 | 11.5 | 23.1 | 46.2 | 92.4 | ||
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*Actual physical capacity of USB drives are less than stated. |
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Configuration Examples
Although numerous configurations are possible, here are a few of the more popular ones. Click on a thumbnail to see the corresponding diagram. M-380 V-Mixers can be interchanged with M-400 V-Mixers.
 Basic M-400 V-Mixing System (26x18) |
 Standard M400 V-Mixing System (42x26) |
 Expanded M-400 V-Mixing System (58x26) |
 M-400 V-Mixing System with Expanded Outputs (50x34) |
 Redundant M-400 V-Mixing System (42x16) |
Example Split Configurations
 Standard M-400 V-Mixing System with Analog Breakout |
 Standard M-400 V-Mixing System with Personal Mixing |
 Standard M-400 V-Mixing System with M-380 Monitor/Broadcast Position |
 Standard M-400 V-Mixing System with SONAR V-Studio 700 REAC Recording |
 Large M-400 V-Mixing System (74x26) with Personal Mixing, SONAR V-Studio Recording, M-380 Monitor/Broadcast Position and Analog Breakout |
Awards & Reviews
 The RSS V-Mixing System has been nominated for the 2009 TEC Award for Outstanding Technical Achievement in the “Sound Reinforcement Console Technology” category. |
 The RSS V-Mixing System was awarded both the “Best Audio Product Digital Mixing Console” and the “Best Overall Audio Product” at the Worship Facilities (WFX) Conference 2008. Find out more -> |
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Each year at the Audio Engineering Society convention, a select group of audio professionals peruse the aisles to find the latest and greatest pro audio gear. Sequestered in a secret location, the judges then nominate and vote on their choices for the coveted PAR Excellence Award, based on the following criteria: Innovation • Value • Performance. Of the hundreds of new products introduced at AES show we are pleased to announce that the M-400 V-Mixer was selected for a PAR Excellence award during AES 2007. |
 Mix Field Tests the V-MixerKevin Becka, technical editor for Mix Magazine, field tests the V-Mixing System. Read what he had to say. |
 Bennett Liles explores the new V-Mixing System with John Broadhead, director of technology for Roland Systems Group. Listen here ... |
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