This vintage McIntosh R657 infrared repeater is a reliable and high-quality accessory for your home entertainment system. It has been tested and confirmed to be in perfect working order, ensuring that you will get the best possible performance from your remote controls. With its sleek design and durable construction, this IR repeater is the perfect choice for anyone who wants to extend the range of their remote control signals without worrying about interference or interference with other devices. Its brand, McIntosh, is synonymous with quality and reliability, so you can trust that this accessory will provide the best possible performance for your TV, video, and home audio system.