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Rolls SS412 — passive 4-input stereo RCA source selector for switching between multiple audio sources without active electronics or power. The SS412 provides four stereo RCA inputs selectable via a front panel rotary switch, connecting one source at a time to a single output. Passive construction means no colouration from active circuitry — signal passes through the selector with minimal degradation. Useful in home audio, studio monitoring, and installed audio setups where multiple source components share a single amplifier input, without needing a full preamplifier to do it. Key features 4 × stereo RCA inputs, 1 × stereo RCA output Passive — no power required Rotary source selection switch Minimal signal degradation Compact, durable construction Specifications Brand: Rolls Model: SS412 Inputs: 4 × stereo RCA Output: 1 × stereo RCA Type: Passive source selector Power: None required (passive) Need help choosing? Contact us at +27 32 586 3694 or support@audicoonline.co.za.