Multichannel REC Version 2 · Ground-up rewrite

Multichannel REC

iPhone · iPad

Up to 128 channels of broadcast-standard WAV, straight to your iPhone or iPad. Rock-solid background recording, full BWF/iXML metadata, and real-time ambisonic monitoring for the SPCMIC — a complete field rig in your pocket.

Download on the

App Store

€49.99 · iOS 18+
Up to 128 ch WAV / RF64 44.1 / 48 / 96 kHz 16 / 24-bit BWF + iXML USB Class-Compliant
What's new

A complete, ground-up rewrite

Version 2 rebuilds Multichannel REC from scratch — more reliable, more capable, and ready for serious location work. Here's what changed.

Rebuilt from the ground up for rock-solid multichannel capture — including reliable background recording.

Record up to 128 channels to WAV / RF64 (files over 4 GB) at 44.1 / 48 / 96 kHz · 16 / 24-bit.

Completely rewritten metadata — full BWF + iXML (Soundminer / BaseHead ready) plus a JSON sidecar for every take.

Ambisonic Decoder for the SPCMIC — XY / ORTF / Binaural KU100 monitoring with AirPods head tracking.

Real-time ambisonic visualizers for the SPCMIC — see where every sound is coming from.

UCS tagging: instant on-device, plus an optional Gemini cloud engine (bring your own key).

GPS map view with clustering, photo attachments, and Live Activity / Dynamic Island.

iCloud Drive sync — your recordings, on all your devices.

Recording

128 channels. No computer. No drama.

Plug in any USB-C or Class-Compliant interface and capture up to 128 simultaneous channels straight to a single Broadcast WAV — no computer required.

  • 44.1 / 48 / 96 kHz · 16 / 24-bit, your call per session.
  • Broadcast WAV / RF64. Because every take is written as Broadcast WAV, single files can grow well past 4 GB with no practical size limit — ideal for long, high-channel sessions.
  • Slide-to-record, live VU metering and a continuous waveform for every channel.
Recording screen
SPCMIC · Ambisonics

Monitor the sound field as you move

Connect the 84-channel SPCMIC and decode first-order ambisonics in real time — XY, ORTF or Binaural KU100. With AirPods Pro / Max / 3rd-gen head tracking, the captured field stays anchored in space as you turn your head.

Turn your sound on — hear the music swing across as the head turns.

See where every sound is coming from

Real-time ambisonic visualizers turn the SPCMIC's sphere into something you can read at a glance — aim the mic, and spot off-axis noise before it's a problem.

Radar visualizer

Radar — the direction of every source, live.

Equirectangular visualizer

Equirectangular — the full sphere, unwrapped.

Three decode recipes

XY (narrow stereo), ORTF, and Neumann KU100 binaural for headphone monitoring — switch live, even during playback.

AirPods head tracking

The sound field rotates against your motion so it stays put in the room. One tap to recenter to your current orientation.

Built for the SPCMIC

An 84-channel ambisonic array, decoded on-device in real time — monitor a full immersive capture from your phone.

Metadata

Post-ready the moment you stop

Every take carries its own metadata, embedded right in the file — scene, take, tape, project, notes. Open it later in Soundminer, BaseHead or your DAW and it's all already there: nothing to re-type, nothing to match up by hand. Full BWF bext + iXML (validated against BWF MetaEdit / FADGI), plus a JSON sidecar for anything outside the standard.

Soundminer & BaseHead ready

Your library tools read the embedded BWF / iXML fields directly, so every take arrives catalogued, searchable and ready to cut. Edit the metadata live, even mid-take.

UCS tagging, checked by Gemini

Type a short description of the sound and the app returns the closest UCS category. Run it instantly on-device, or let Google Gemini read your description and pick the best-matching Cat ID — with your own free key.

Workflows — batch rename

Build a naming template by dragging metadata tokens — date, project, scene, take, UCS Cat ID… — and rename a whole session of files in one pass, ready to drop into your library.

Organize in the field

Find any take, anywhere

GPS tags, a map, waveform-thumbnail playback and full Files-app access — your library stays organized from the first take to the DAW.

GPS map

GPS map view

Each take tagged with lat / lon / altitude / accuracy and pinned on a clustered map. Tap a pin to play it.

Recordings list

Your take library

Waveform thumbnails, inline scrubbing, photo slates. Every take is in the Files app — AirDrop, iCloud Drive, straight to your DAW.

Plus Live Activity / Dynamic Island recording status, photo attachments per take, and your choice of on-device or iCloud Drive storage.

Everything inside

The full feature set

Real-time multichannel monitoring (up to 128 ch)
USB Class-Compliant interfaces + SPCMIC support
44.1 / 48 / 96 kHz · 16 / 24-bit
BWF + iXML metadata (Soundminer / BaseHead ready)
AI UCS classification (Gemini cloud + offline BM25)
Apple Translation EN mirrors, on-device
GPS tagging (per-take lat / lon / alt / accuracy)
Map view of GPS-tagged takes, with clustering
Photo attachments per take
Local Documents or iCloud Drive — your choice
Live Activity / Dynamic Island recording status
Dark / Light theme, raw-input mode, ±36 dB monitoring
The story

From the field, for the field

Recording on location with the SPCMIC and Multichannel REC

Multichannel REC was born inside Surround Sound Lab, Kaizen Audio's immersive field-recording project. We needed a reliable, high-channel-count recorder that ran on a device we already carry everywhere — an iPhone or iPad — without giving up broadcast-standard quality.

Paired with the SPCMIC ambisonic array and a USB Class-Compliant interface, it turns an iOS device into a studio-grade multichannel rig. Version 2 is that idea, rebuilt properly.

Get Multichannel REC v2

On the App Store for iPhone and iPad — €49.99. Record up to 128 channels today.

Download on the

App Store

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