Lab Gruppen CRC-VUL Single-Gang Remote Control Volume Wall Plate for CA, CM, CMA & CPA Series Amplifiers (White) (DEMO)From Lab. Gruppen, the Single Gang Remote Control Volume Wall Plate, in white, installs on a wall and allows you to remotely control the volume of the Lab. Gruppen CA, CM, CMA, and CPA series amplifiers. It features an RJ45 connector and connects to the amplifiers over optional Cat 5 6 cables. It's also illuminated so that users can easily find it in a dark room. A maximum volume limit can be assigned from the amplifier. Features Wall plate remote