Thank you for viewing. SANYO Radio Cassette Recorder MR-Q4 The MR-Q4 features a rare top-mounted woofer and six speakers. This is a superb item with an uncompromising design and a striking contrast of red and chrome. Radio, cassette, and external input operations have been confirmed. This is a dead stock item from an electronics store and is in beautiful condition. It comes with the original box and AC adapter.