R6 227.75
(R7 161.91 incl VAT)
Short description:

Dual Digital USB / SD Audio Recorder & Player


The SDR-4000 Dual Digital USB / SD Audio Recorder & Player from VocoPro is a standalone unit that offers real-time, high-quality digital audio recording and dual-side playback. The recorder enables high-fidelity recording onto both SD / SDHC cards and USB drives with capacities of up to 32GB. Additionally, it sports an easy-adjust recording level control that helps to monitor audio levels and eliminate distortions.

The unit can also turn into a dual-side audio player with both single and repeat playback modes for easy digital playback. The rear panel features individual and mixed RCA and individual XLR inputs and outputs. It also comes with a 1/4" headphone jack with volume control for convenient monitoring.

The SDR-4000 Recorder and Player features a slim 1RU design that allows it to fit into any standard equipment rack for easy installation. The user-friendly operation is similar to that of 2 cassette decks. This makes it suitable not only for performers, but also places of worship, businesses, schools, etc. for recording and playback applications such as band rehearsals, sermons, presentations, lessons, and more.

  • Records 192 kb/s audio files directly to an SD card or USB drive via RCA or XLR line in jacks
  • Compatible with SD / SDHC cards and USB drives with a storage capacity of up to 32GB
  • Dual recorder design allows for independent recording / playback on each side
  • Can record any audio signal from a device with RCA outputs or balanced XLR outputs
  • Other connections can include direct output from a computer or mp3 player
  • Using a stereo RCA to RCA cable, you can connect the audio outputs on one side (side A) to the other side's audio input jacks (side B)
  • You can connect the audio output from each side independently to a mixer
  • Can be used as a dual USB / SD player in conjunction with DJ-style mixers with a crossfader
  • Individual record level controls and records level LEDs for precise level control Delete recorded files directly from the recorder
  • Delete recorded files directly from the recorder
  • Fully featured playback with single and repeat playback modes
  • Individual RCA and XLR input / output jacks
  • Mixed RCA output jacks with toggle switch
  • Backlit buttons for use is low-light areas
  • 1/4" headphone jack with volume control
  • Slim 1RU rack-mountable chassis
  • Compatible with 110 to 220V power supply


  • Dual-Digital Recording to SD & USB Drive
  • Dual Playback
  • SD Card Slot & USB Port
  • RCA & XLR Connectors
  • 1/4" Headphone Jack on Front Panel
  • Toggled Output
  • Slim 1RU Chassis
Channels 2 (stereo)
Recording Format MP3: 192 kb/s
Media Recording Media:
SD (64 MB to 2 GB), SDHC (4 to 32 GB)
Any FAT-USB drive supported
Input / Output Front Panel:
SD card slot
USB port
1/4" headphone jack
Rear Panel: 
Input: 4 x 3-pin XLR (balanced) 
4 x RCA (unbalanced) 
Output: 4 x 3-pin XLR (balanced) 
4 x RCA (unbalanced) 
MIX Output: 2 x RCA 
1 x Power in
USB Compatibility USB 1.0, 1.1 
Sampling Rate 44.1 / 48 kHz, 16-bit
Dynamic Range ≥75 dB
THD + N 1%
Frequency Response 20 Hz to 18 kHz
Input Impedance 10 kΩ
Nominal Input Level ≥1.5 V
Output Impedance 32 to 64 Ω (stereo)
Maximum Output Line (10 kΩ): 0.7 V RMS (-3 dBV)
Power Source 500 mA, 5 VDC
Dimensions (L x W x H) 7.0 x 10.0 x 12.0" (17.7 x 25.4 x 30.4 cm)
Weight 9 lb (4 kg)
  • VocoPro SDR-4000 Dual Digital USB / SD Audio Recorder & Player
  • Power Cable (6')
  • Limited 1-Year Warranty

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