Heritage Audio OST-4 mk2

The API 8 slot chassis was my other interest I can find them 500 series modules over USB for extra colour Plus it has ADAT both

4 units, get a lunchbox free” Or “spend $2500 on 500 series modules, get an 8-slot rack for half-off”! They were cheap to make and really

4 king slot 6 slot 500 Series Chassis with LED Current Consumption Meter; Supplies 150% of the required current; XLR, TRS, and DB-25 IO; Variable-position screw holes

4x4 joker slot Crafted with durability and functionality in mind, this rack case provides a secure and convenient solution for organising and integrating valuable audio gear