This NSI NCM 508 Memory Lighting Controller is perfect for stage lighting enthusiasts who are looking for a reliable and efficient dimmer. With four channels and DMX control, this dimmer is ideal for creating stunning lighting effects for your performances. Additionally, the audio cable XLR/XLR connectivity ensures that you can easily connect it to your sound system. ??Please be advised that this is being sold as is for parts or maybe repair simply because it is untested. I?m unable to test due to not having the appropriate connectors channel lovers three and seven seem to be missing. I?m not sure if this is normal. Please review pictures as these are a part of the description ??