The tie studio 4i4o e midi interface is a compact robust 4 in 4 out interface designed for sending midi data wirelessly'. '.strtoupper('t')he desktop sized bluetooth midi interface provides up to up to 64 channels in total and can be used with both mac and windows computers'. '.strtoupper('t')he midi 4i4o e provides perfect midi timing for optimal performance value as well as a midi merge function for mixing data between inputs 1 and 2 for added flexibility'. '.strtoupper('t')he high speed usb connection ensures low latency performance'. '.strtoupper('i')t also boasts usb bus power eliminating the need for external power supplies'. '.strtoupper('t')he plug and play functionality means you don?t need to install a driver and allows you to get setup and ready within seconds.