Apogee Thunderbolt / ProTools HDX Interface w/2X6 Line acd - note velocity controls modules'

- note velocity controls modules' levels

Ultra-flat frequency response

but for summing up control voltages as well

front or back

Apogee Thunderbolt / ProTools HDX Interface w/2X6 Line acd - note velocity controls modules'Apogee Thunderbolt ProTools HDX Interface w 2X6 Line. The Apogee Electronics Symphony I O Mk II Thunderbolt Audio Interface with Special Edition 2x6 Analog I O and 8x8 Digital I O is an audio interface designed to deliver high performance A D and D A conversion at up to 192 kHz for mixing and mastering engineers in personal, project, and commercial studios. The included 2x6 SE I O card features stunning dynamic range with low distortion and noise for