Roland R-4 Pro 4-Channel Portable Recorder

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Roland R-4 Pro 4-Channel Portable Recorder.

The Edirol R-4 Pro offers portable four-channel recording and editing with a wealth of useful features. The rugged construction and great sound of the R-4 are still found, but the R-4 Pro adds a larger hard drive, AES/EBU support, SMPTE time code and more. Discreetly monitor each of the four channels. Extend your recording time with industry-standard battery packs. Record up to 116 hours of audio on the internal drive. Connect any standard USB drive for fast back-ups of your work. All this and more with the R-4 Pro. Wave editing and built-in effects such as 3-band EQ, noise gate, and de-esser make tweaking your audio a snap. You can even record and play back without any other equipment, using the R-4 Pro's built-in microphones and speakers. The professional sound quality, numerous features, and usefulness in a number of applications make the R-4 Pro a great choice for any sound recordist or videographer.

4-Channel Recording

Record on all four channels simultaneously with discreet monitoring for each channel.

Analog and Digital I/O

AES/EBU digital connections along with standard analog XLR connectors allow great flexibility.

High-Quality Preamps

Specially designed for field recording, the preamps offer excellent sound quality

SMPTE Time Code

Slave the R-4 Pro to a video camera or VCR, or make it the master and slave a device to it.

On-Board Limiter

Helps deliver a stable recording free of clipped sounds.

80 GB Hard Drive.

Lots of internal storage allows up to 116 hours of recording.

24-bit/192kHz Linear Recording

Totally uncompressed audio for outstanding quality.

Built-In Stereo Microphones

Two omni-directional condenser microphones allow you to record without extra equipment, if desired.

Pre-Record Function

The R-4 Pro is always "listening", so even if you're a few seconds behind on getting to the record button, you won't lose anything on the recording.

Computer Linking

Connect the R-4 Pro to your Mac or PC via USB 2.0 for high-speed data transfer, or use the R-4 Pro as an external 80 GB drive. You can also connect a USB flash drive to the R-4 Pro for quick, ultra-portable backup or sharing.

Wave Editing

Watch the waveforms on the built-in LCD. Use the shuttle/jog wheel to set edit points quickly and easily.

Multiple Power Options

Plug the unit into a wall outlet with the AC adapter, use 8 AA batteries, or use an external battery via the 4-pin XLR power input.

Built-In Effects

Includes 3-band EQ, graphic EQ, noise gate, enhancer, comp, and de-esser.

Roland R-4 Pro Specifications:

  • Type -  Internal Hard Drive Portable 4-Channel Recorder/Editor
  • Recording/Reading Method - BWF and WAV Format to Internal 80 GB Drive or USB Connected Storage
  • Recording Bit Rate - 16 bit / 24 bit
  • Sampling Frequency - 44.1, 48, 88.2, 96, and 192 kHz
  • Number of Channels -  4
  • Signal-to-Noise Ratio - 100dB
  • Dynamic Range - +4 to -56Db
  • Total Harmonic Distortion (THD) -  0.01%
  • Headphone Output  - 1 x 1/4" (6.3mm) Stereo Jack
  • Dimensions (WxDxH) - 10 x 8.7 x 2.8" (254 x 222 x 72mm

Frequency Response:

  • 20Hz to 20kHz (@ 44.1)
  • 20Hz to 22kHz (@ 48)
  • 20Hz to 40kHz (@ 88.2, 96, 192)


  • 4 x Analog XLR with Phantom Power
  • 1 x AES/EBU Digital XLR
  • 1 x BNC SMPTE Time Code
  • 1 x DC Power


  • 4 x Analog RCA
  • 1 x AES/EBU Digital XLR
  • 1 x BNC SMPTE Time Code


  • 1 x USB Type A
  • 1 x USB Type B
  • Built-In Effects
  • SMPTE Time Code
  • 2 x Built-In Condenser Microphones
  • 2 x Built-In Speakers.

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