Replace Remote RM-AMU163 for SONY Bookshelf Audio System HCDGPX55, HCDGPX77
No programming or paring is needed.Just install new batteries and it is ready for use. No Programming Required ! Put batteries in and work ! MHC-GPX33, MHC-GPX55, MHC-GPX77. LBTGPX77, HCD-SHAKE5, HCD-SHAKE6D.