Description

Used Heritage Audio OST-4 in excellent condition delivers premium 500-series power and routing in a compact 4-slot rack. Featuring Heritage’s On Slot Technology with advanced filtering and ample current per slot, it provides clean, stable rails for preamps, EQs, and compressors. Front-panel XLR/TRS combo inputs and rear DB25 I/O make patching fast, while robust steel construction and internal linear-style performance keep noise low and headroom high for professional studio workflows.

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