Monitor, compare and route audio on your Mac

PHON is a studio monitor controller in software: A/B your mix against Spotify or any app, level-matched, with ISO 226 loudness compensation tied to your calibrated level. No driver, no aggregate device.

AudioBridge routes audio between any tracks and any DAWs, latency-compensated. NNA Virtual Audio is a free virtual device, 1 to 256 channels, for everything else.

Discover PHON Download a free trial

macOS, Apple Silicon and Intel. One-time purchases, 14-day trials, no card required. Built by an acoustic designer in Provence.

PHON window on macOS: the volume fader in calibrated dB SPL and dBFS beside the loudness compensation amount, two sources with MATCH, three outputs, low cut, routing and level presets

PHON, the studio monitor controller

PHON Studio monitor controller for macOS

Windows coming soon

A/B your mix against Spotify or any app playing on your Mac, level-matched, nothing to import. ISO 226 loudness compensation tied to your calibrated monitoring level. No virtual audio driver to install.

  • Reference from any app, captured live and level-matched
  • Loudness compensation that follows the volume fader
  • Switching between speakers, an alternate pair and headphones
  • Calibration to ITU-R BS.1116-3, SMPTE RP 200, K-20 or K-14
  • LUFS and true peak metering, per-output limiter, MIDI Learn, web remote

macOS 13 or later, Apple Silicon and Intel. Per-app capture requires macOS 14.2 or later.

€69

One-time purchase · Licence for 2 machines

Download free trial
See PHON in detail

14-day free trial • No credit card required

AudioBridge Send and Return plugins for your DAW

Send/Return between any tracks, even across two DAWs on the same machine. Insert a Send anywhere in an effect chain; the Return reports its latency to the DAW, which compensates it.

  • Insert anywhere in your effect chain
  • Works in Ableton Live, Logic Pro, Cubase, FL Studio and any other DAW
  • Up to 8 Sends per Return (auto-summing)
  • 16 independent Returns
  • VST3, AU & CLAP — macOS (Windows build in progress)
€19

One-time purchase · Licence for 2 machines

Download free trial
See AudioBridge in detail

14-day free trial • No credit card required

NNA Virtual Audio Free virtual audio driver for macOS

Free Virtual Audio Cable & Driver for macOS

Route audio between applications with a configurable virtual audio device. Record system audio, set up OBS, or build complex audio chains.

  • 1 to 256 input and output channels, configured independently
  • Per-channel volume control on every input and output
  • Bit-perfect signal path, zero added latency
  • macOS 10.15 or later, Apple Silicon and Intel native
Free
Download for macOS
See NNA Virtual Audio

Free for personal use

Neutral & Natural Audio is the software side of Neutral & Natural Acoustics, the studio design practice of acoustic designer Jean-Pierre Baroni, based in Provence, France. PHON, AudioBridge and NNA Virtual Audio come out of control-room design and monitoring calibration work. macOS installers are signed and notarized by Apple. About the author