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WARM4 Four-Channel Analogue Rotary Mixer

SKU mx-321

warm analog sound, classic rotary DJ control, subharmonic synthesizer inspired by Paradise Garage booth
2 Reviews
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  • Lab Overview
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Lab Overview


  • professional 4-channel analogue rotary DJ mixer
  • 4 phono + 4 line inputs
  • 2 mic input (1 on rear, 1 on top)
  • 3-band full cut EQ per channel w/ large ergonomic rotary knobs
  • 4th order 3-band full cut master isolator
  • analogue subharmonic synthesizer generates and reinforces ultra-low frequencies, selectable per channel, can be tuned to the recorded song or the features of the output sound system
  • FX Send control per channel w/ pre/post fader selector
  • balanced XLR + unbalanced RCA master output
  • balanced XLR + unbalanced RCA master output
  • RCA rec out easy to access on top panel
  • Alps metal shaft high quality potentiometers
  • wooden side panels
  • designed and built by Ecler in Barcelona, Spain

"WARM4 is a professional four channel analogue rotary DJ mixer, designed and manufactured by ECLER in Barcelona. Featuring 4 phono/line channels, 2 MIC inputs, classic sharp filters and a 4th order Isolator. Keeping alive its innovative spirit since the first A4 mixer in 1971, Ecler introduces a DJ tool never included in a mixer before: an analogue subharmonic synthesizer, selectable per channel, specially designed to generate and reinforce ultra-low frequencies. Inspired by the original device installed in the Paradise Garage booth, we have created our own circuit that allows the subharmonic generator to be tuned to different frequencies so that the DJ can adapt it according to the recorded song and the features of the sound system." - Ecler


  • channels: 4 each w/ independent gain/trim
  • inputs: 4 x PHONO, 4 x LINE + 2 x MIC, 1 x FX RETURN
  • outputs: 1 x Master XLR,  1 x Master RCA, 1 x Booth  XLR 1 x Booth RCA, 1 x REC RCA, 1 x FX SEND
  • headphone outputs: 1/4" + 1/8"
  • EQ: 3-band per channel (bass, mid, treble)
  • master isolator: 3-band (300Hz and 4KHz, -∞/+12dB, 4th order 24dB/oct)
  • phantom voltage: 18VDC/5mA Max (Default ON)
  • VU-Meters: Input, House-Mix-Booth, Subharmonic Output
  • AC mains voltage: 90-264VAC 47-63Hz
  • dimensions (without wooden sides): 13.39” x 3.19” x 14.65” / 340 x 81 x 372mm
  • weight: 11.73 lb / 5.32 kg


  • North American compatible power cable
  • standard European power cable
  • wooden side panels
UPC: 8435071316118

Review & Q+A


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