Check the listing for details. Seventh Circle Audio SCA CH02 8-channel Chassis (with Power Supply). Condition: New. Listed at 329.00 USD. The Seventh Circle Audio CH02 is a road-worthy 2RU chassis designed to hold up to (8)eight Seventh Circle modules in any combination. High voltage supply rails enable more headroom than any 500-series rack. Illuminated logo indicates +30V, -30V, and +48V health. Universal input power supply runs on any mains voltage from 85VAC to 250VAC. The CH02 comes as a barebones, minimal chassis and power supply setup to get you up and running. This includes a chassis, assembled power supply, AC power cord, and wire harness. OPTIONAL (but recommended) CHASSIS COMPONENTS: Blank subpanels are not included, and can be purchased seperately to cover the empty slots at $15 each. Divider panels can also be added at an additional cost at $15 each. It is recommended to AT LEAST add a divider panel between any modules that utilize transformers, (N72, A12, and J99), or if you are having trouble with crosstalk.