API 500 Series 8 Slot Portable 500 Series rack with external Power

500R8 is the centrepiece to the modern studio It's a 28-in30-out USB audio interface that combines a 500 series rack and high-performance AD-DA

CRANBORNE AUDIO 500R8 Usb Audio Interface & 8-slot 500-series Rack

8899 slot The versatile unit functions as an 8-slot 500 series rack, 8-channel ADAT expander, analog summing mixer, and zero-latency artist mixer built into a 4 RU

86 bos slot Heritage Audio OST-8 ADAT 8-Slot 500 Series Rack with Premium 24- Sale price$1, CAD Heritage Audio OST-8