Musical Fidelity M6PRX power amp. For sale a very powerful stereo amp in great condition, i am the second owner, i have the original double box. works as it should no problems, also upgraded high-end bidding post, the original bidding post are disabled, as seen in the picture, easily reconnected, The two sets of speaker outputs are for bi-wiring speakers, not running two pairs of speakers simultaneously,I just bi-wire off the excellent upgraded bidding post. retail $2700.The two white smug marks on the left of the face are more pronounced in the picture than in person. Any questions, please feel free and contact me,Upgraded bidding post link. https://www.thecableco.com/diy-cables-and-connectors/binding-post/ft-816-r-binding-post-short-for-amp-set-of-2.html