NAD PP2e Phono Preamplifier (PP2e) C 399 Integrated Bluetooth® technology gives listeners SM8F4 Integrated Bluetooth® technology gives listeners the unique option to operate the AT LPW50XBT RW belt drive turntable wirelessly Master Quality Authenticated (MQA) is a revolutionary end to end technology built into all of NAD’s BluOS Enabled CI solutions to capture and deliver MQA music to any and every room in your home The external power adapter is separate from the phono preamp to further improve sound quality MM MC Phono Stage: The NAD PP 2e phono preamplifier accepts inputs from either moving magnet (MM) or moving coil (MC) cartridges