The Pro Tools HD Native Thunderbolt + HD I/O 16x16 Analog Bundle includes an Avid Pro Tools HD Native Thunderbolt, Pro Tools HD software, and an amazing Avid HD I/O 16x16 Analog interface. Right out of the box, this complete system gives you 32 channels (16-in/16-out) of pristine analog I/O – all in the Pro Tools HD DAW environment! The Pro Tools HD Native Thunderbolt hardware includes two DigiLink Mini inputs, so expanding your system with an additional HD I/O, HD Omni I/O, HD MADI I/O, or legacy 192 I/O, or 96 I/O for up to 64 channels of ultra-low-latency I/O is easy.