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 Music IO: Audio and MIDI over USB by Secret Base Design is a Virtual Instrument and a Virtual Effect Audio Plugin and a Mobile Audio App and a Standalone Application. It functions as a VST Plugin, an Audio Units Plugin and a Standalone Application.
Music IO: MIDI over USB
Music IO: MIDI over USB
Product Music IO: Audio and MIDI over USB
Developer Secret Base Design / Audeonic Apps
Price (MSRP)
Type / Tags MIDI / Audio Interface
Plug-in, App & Soundware Format(s)
UtilityStand-alone utility / application
This is a Hardware product
InterfacesApple 30-Pin Dock ConnectorThunderboltUSB 1USB 2USB 3
PowerBus Powered
DriverSee Operating System section below
Operating System Availability
Download Released
Downloads Released
System Requirements
  Download Released
System Requirements
OS X 10.7+
Downloads Released
System Requirements
iOS 7+

Send and receive MIDI between your desktop (Mac or PC) and your iOS device via USB. Send four channels of audio in either direction. It's simple, reliable, and near-zero latency.

Music IO is a joint effort by three of the most respected iOS music app development teams. Confusion Studios makes MIDI Designer Pro, the most-respected MIDI controller platform for iOS. MIDI Designer is adored by users, loved by Music Industry press, and trusted on stages and in studios around the World. Audeonic Apps makes the pioneering MidiBridge app, an essential tool for routing and filtering MIDI messages on iOS; they also provide the MidiBus software library, which powers dozens of successful music apps (including Music IO). The Secret Base Design team has built a range of apps providing high-speed MIDI and audio connections over Bluetooth LE and WiFi, and also develops innovative signal processing apps.

The three teams have joined forces to build the only professional USB-MIDI solution that doesn't require additional hardware. It's been in development for months, and Music IO will include audio-over-USB soon (iOS 7+). Music IO lets your iOS device become an integral part of a modern professional music production system.


• Audio over USB: Four channels of low-latency audio from your iOS device to your Mac, or from your Mac or PC DAW to iOS (iOS 7 or better)
• Send & Receive MIDI between any CoreMIDI apps over USB (Lightning or 30 pin) with no perceptible latency nor jitter
• Large sysex messages (eg. bulk dumps) handled seamlessly
• Choose "send to" ports (OS X and iOS)
• Choose "receive from" (OSX): route MIDI from anywhere to your iOS device
• BridgeClock, a ground-breaking inter-device MIDI-clock-synchronization technology, provides jitter-free sync between platforms
• Runs on iOS 7 or better (10.7+ on OS X)

Download the free, companion app for your desktop from musicioapp.com.

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