The Great River Harrison 32EQ Pair is a high-quality equaliser designed for professional audio applications. Made by the trusted brand Great River, these equalisers are known for their superior sound quality and precision control. Perfect for music production, DJing, or any audio engineering tasks, these units are sure to enhance and improve the sound of your recordings or performances. Ideal for pairing up for stereo or surround sound setups, these equalisers are a must-have for any serious audio engineer or musician looking to achieve professional results. As used by Bruce Swedian. They sound incredible and smooth, with great filters. Used lightly in my smoke free home studio. I have original boxes for them as well. They are in mint condition.