Check the listing for details. Electronics Diversified Inc. EDI SPI Q-1 Dimmer Module Quad 1.8k. Condition: Used. Listed at 75.00 USD. Introducing the EDI SPI Q-1 Dimmer Module Quad 1.8k, a top-notch device for stage lighting dimmers! This powerful module is designed to bring out the best in your lighting effects, providing an exceptional performance that is unmatched in the industry. With its brand name of Electronics Diversified Inc. (EDI), you can trust that this dimmer will deliver superior quality that you can rely on. This module is perfect for those who are serious about their stage lighting, as it offers a range of features that are essential for creating the perfect ambiance. Its type of dimmer is a must-have for musicians and lighting enthusiasts who are looking for a dynamic and versatile device that can handle any situation. So, if you're in the market for a high-quality dimmer module, look no further than the EDI SPI Q-1 Dimmer Module Quad 1.8k! In good working condition.