Purchased used in 2020. Used 0-3 times a month, but haven't used it at all in the past year. Operation has been confirmed, and it works without any problems. ■ 500 Series Mono Mic Preamp Born from the Best Console The world's best recording console, the Neve 88RS, is the best choice for capturing the beauty, energy, and excitement of music. The 88RLB condenses the amazing sound technology of the 88RS console into a compact 500 series format. Additional features such as the REGenerate function, sweepable high-pass filter, intelligent phantom power control, and DI input provide convenience to the highest quality sound. ■ Features ・Equipped with transformer-coupled microphone input, electronically balanced Line/DI input, and Line output. ・REGeneration function that feeds Line and DI inputs through the Mic input transformer. ・Sweepable high-pass filter ・Intelligent 48v phantom power function ・-20dB pad and phase inversion function for microphone, line, and DI inputs ・Signal presence LED lights green at -25dB level and red at +26dB level ・Front combi XLR connector for microphone input (XLR) and line & DI input (1/4" TRS jack) ・Compatible with 500 series racks/enclosures