Roland Bitrazer eurorack effects processor module.Powers up, and lights come on. I tested using a Roland PSD adapter from my MX-1. Adapter is not included with the sale.Tests performed:Connected a drum machine into Input 1 and Input 2. Sound comes out on Output 1 and Output 2.Turning the knobs will manipulate the sound. There are 2 buttons, for HPF/LPF select and Effect Bypass, and both are working.I noticed if the "Bit Down" knob is turned lower than the 1 o'clock position, the sound will cut o… read more