B-Stock, RadialEngineeringBigshot I/O, instrument switcher/selector, 100% passive, true bypass (via TRIM switch), 2 instrument inputs, separate tuner output, volume control for reducing level of Input 2, tuner out switch for selecting whe...B-Stock, Radial Engineering Bigshot I/O, instrument switcher/selector, 100% passive, true bypass (via TRIM switch), 2 instrument inputs, separate tuner output, volume control for reducing level of Input 2, tuner out switch for selecting whether...altro...