THIS IS A B&W Nautilus HTM2 Center Channel Home Theater Speaker. IN VERY GOOD CONDITION AND WORKS GOOD. BUT I WAS UNABLE TO MAKE THE MICROPHONE THAT IS ABOVE THE SPEAKER TO SOUND TOGETHER WITH THE SUBWOOFER. I CONNECTETED THEM DIRECTLY TO RECEIVER SPEAKER AND THE JACK OF THE SPEAKER UPSTAIR WORKS AND THEN I CONNECTED DIRECTLY FROM THE RECEIVER TO THE JACK BELOW THE SPEAKER AND THE SUBWOOFER SOUNDS, AS SHOWN IN THE VIDEO. I AM NO EXPERT, THAT IS WHY I AM SELLING IT FOR CHEAP. $500. EBAY SAYS THAT THESE SPEAKERS HAVE BEEN SOLD FOR $862 BUT I ACCEPT OFFERS. THE LOWEST OFFER I ACCEPT IS $460. NO LESS. NO shelf FRONT COVER.LOOK AT THE PICTURES AND VIDEO. THE SOUND IS GREAT AND THE MICROPHONE I TESTED TOO AND THE SOUND IS GOOD. AND FREE FAST SHIPPING. AND LOCAL PICKUP. MADE IN INGLAND.