Sonosax SX-R4 Multy channel audio recorder.



8 recording tracks on hard disk and either 2 recording tracks or Mirroring on CF Card. The ideal companion for on location multi-track recording, documentaries, classical music. Perfect Gain control and advanced linking capabilities.

Recording capabilities: 44,1 up to 192kHz @ 24bits and 16 bits (dithering)
File format: *.WAV  with BWF chunk and iXML metadata
File structure: Mono – Stereo – Polyphonic

8 Recording tracks on the HD, 2 Recording tracks or mirroring on the CF Card.
Comprehensive Cross-matrix system for easy routing and mixing
User configurable Monitoring

Small and robust construction
Friendly user interface, comprehensive and intuitive menu structure
Battery or external DC operated


  • 4x electronically balanced Mic/Line Input with RF Filter, XLR connectors
  • Low noise, large bandwidth  semi-discreet microphone preamplifier
  • 48V Phantom for Mic powering
  • Pre LF Cut for rough wind conditions, PAD, Phase reversal
  • High quality Limiter on each input, Led level indicators
  • Channel linking ( on gain ) : 1 to 2 or 4 / 2 to 3 or 4 / 3 to 4
    ideal for one or two stereo pairs or M/S pair and even Soundfield B-Format
  • 1x stereo unbalanced adjustable Line input on TA3 connector4 x AES Digital input (8 digital channels)
  • Sampling rate from 44,1 up to 192kHz at 24bits, including NTSC Pull Up / Pull Down 0.1%
  • Timecode In & Out, all formats, follow the pull up/down
  • Wordclock In & Out, Video Sync In all format including Tri-level & Bi-level sync
  • Unbalanced Stereo/Mono pre-mix Line Outputs user configurable, on TA3 and Mini Jack for camera Link, wireless feeds or additional monitoring
  • Headphone out on 1/4″ Stereo JackMachined aluminum housing
    Powered by six AA (LR6) batteries or external 6 – 18 VDC
    Dimensions: 180 x 140 x 50 mm / 7,09″ x 5,5″ x 1,96″
    Weight: 800 grams (1,75 lbs) without batteries, 990 grams (2,18 lbs) with 6 AA rechargeable batteries
© Geissmann Martin 2020