3DIO Free Space Pro II Binaural Microphone

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The 3DIO Free Space Pro II binaural microphone is a high-quality professional binaural microphone comprising DPA 4060 microphone capsules embedded inside two prosthetic ears.  This allows users to capture sound just as we would naturally hear it and enable you to pinpoint the sound location in space.

1,860.00 ( 2,232.00 including VAT)

Product Description

The 3DIO Free Space Pro II binaural microphone is a high-quality professional binaural microphone comprising DPA 4060 microphone capsules embedded inside two prosthetic ears.  This allows users to capture sound just as we would naturally hear it and enable you to pinpoint the sound location in space.

The Free Space Pro II delivers a very sensitive and natural binaural recording with a full 20 – 20 kHz frequency response.  The extremely low noise floor of the DPA 4060 capsules results in a very open and dynamic binaural realism, especially during very delicate recordings.  This sensitivity, coupled with the wide dynamic range of the microphone capsules, makes the Free Space Pro II ideally suited for professional studio recording and high-end recording binaural capture.  The quiet ‘openness’ of the microphone also makes it ideal for field recording.

3DIO manufacture premium quality 3D audio recording devices that are popular with professional recording engineers as well as amateur enthusiasts.  Binaural recording is the process using microphones shaped like human ears to capture audio in the same way that we hear.  These ears (pinnae) dramatically alter the incoming sound waves, however the human brain understands and interprets these alterations as directional cues.  Furthermore, the time delay between the left and right ear gives us proper directional perception.  When listening to binaural recordings with headphones, a natural three-dimensional sound gives the listener the sensation of being in the space where the audio was recorded.  This makes the 3DIO binaural microphones ideal for applications such as 360 and 180 VR video and any professional recording situation where authentic sound quality is critical.

Directional Pattern Omnidirectional
Cartridge Type Pre-polarised condensor
Frequency Range 20 Hz – 20kHz
Frequency Range ±2 dB Soft boost grid: 20 Hz – 20 kHz, 3 dB soft boost at 8 – 20 kHz. High boost grid: 20 Hz – 20 kHz, 10 dB boost at 12 kHz
Sensitivity 20 mV/Pa; -34 dB re. 1 V/Pa ±3 dB at 1 kHz
Signal / Noise Ratio 71 dB (A)
Total Harmonic
Distortion (THD)
< 1% THD up to 123 dB SPL peak
< 1% THD up to 120 dB SPL RMS sine
Dynamic Range Typ. 100 dB
Max. SPL, peak before clipping 1234 dB SPL (Typ.) at 1kHz Distortion level 3% max
Output Impedence 30-40 Ω
Microphone Matched DPA 4060 hi-sensitivity capsules. 5.4mm Diameter
Output 3.5mm Stereo jack (mic level output)
2 x 3-Pin XLR, Balanced Outputs
Operating Voltage Min. 5V – max. 50V. 48V phantom power
±4V for full performance
Power 9V alkaline battery
2 x 3-pin XLR inputs for phantom power
Body Material Aluminium
Ears Silicon
Mounting Removable 5/8” Microphone stand adapter OR 1/4”-20 female thread
Dimensions 190 x 110 x 110mm (WxHxD)
Weight 755 grammes
Working Temperature 0 ~ 50 degrees C
Reative Humidity Up to 90%
  • True binaural capture from omnidirectional patterned capsules
  • Realistic human ear pinnae for life-like attenuation and amplification from all directions
  • Low susceptibility to RFI
  • 100dB wide dynamic range
  • High sensitivity and ultra low noise
  • Compact design – ideal for field recording
  • Rugged aluminum chassis
  • Performs well over a wide range of temperature and humidity conditions
  • 3.5mm stereo TRS output jack or 2 x 3-pin XLR with balanced output
  • 20cm M2M 3.5mm stereo TRS cable included
  • Bass roll-off switch beginning at 160 Hz (applies to 1/8” TRS output only)
  • Includes replaceable 9V batteries plus 2 x XLR connectors for phantom power
  • Comes standard with a removable 3/8” microphone stand adaptor
  • 1/4-20 female tripod or hot-shoe adaptor mount

Full 360 degree professional audio – Perfect for 360 VR and 180 VR
Filmmaking for spacial relevance & acoustic immersion
Video applications with professional audio experience
Complex audio environments
Natural history film making and recording, etc

3DIO FS XLR Binaural Microphone
20cm M2M 3.5mm stereo TRS cable
Removable 3/8” microphone stand adaptor

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