The Rotel RQ-970 BX is a stereo phono preamplifier that is designed to enhance the performance of turntables. It provides amplification and equalization for vinyl records, allowing them to be played through a modern audio system. The RQ-970 BX features a solid build quality and offers adjustable gain control to optimize the performance according to the cartridge being used. It also includes a subsonic filter to remove low-frequency noise. Overall, the Rotel RQ-970 BX is a reliable and capable phono preamp for vinyl enthusiasts.