![Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments](https://m.media-amazon.com/images/I/61GQqshFnHL._AC_UF894,1000_QL80_.jpg)
Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments
![Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments](https://m.media-amazon.com/images/I/71l47rCjuEL._AC_UF894,1000_QL80_.jpg)
Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments
![Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments](https://images-na.ssl-images-amazon.com/images/I/61MU0Bo3c8L._AC_UL900_SR615,900_.jpg)
Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments
![Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments](https://images-na.ssl-images-amazon.com/images/I/81PRmKmEQZL._AC_UL900_SR615,900_.jpg)
Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments
![M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments - Amazon.com M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments - Amazon.com](https://m.media-amazon.com/images/I/71lS3usvQKL._AC_UF894,1000_QL80_.jpg)
M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments - Amazon.com
![Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments](https://m.media-amazon.com/images/I/71lS3usvQKL.jpg)
Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments
![Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments](https://m.media-amazon.com/images/I/71l47rCjuEL.jpg)
Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments
![Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments](https://m.media-amazon.com/images/I/41vhrZ3S+ZL._AC_.jpg)
Amazon.com: M-Audio MIDISPORT 4x4 Anniversary Edition | 4-in/4-out MIDI Interface (64x64 Discrete Channels I/O via USB) : M-Audio: Musical Instruments
![M-Audio USB Midisport Uno Portable 1X1 USB MIDI Interface for Mac & PC and Delux 7445002941976 | eBay M-Audio USB Midisport Uno Portable 1X1 USB MIDI Interface for Mac & PC and Delux 7445002941976 | eBay](https://i.ebayimg.com/images/g/HwYAAOSwILtjzYi5/s-l1600.png)