Acoustic Research HD510 Wall Mountable Satellite Speakers – Pair. SPEAKERS/SUBWOOFER: ACOUSTIC RESEARCH MODEL SPEAKERS, 3-1/2, –, MODEL HD510 – PAIR – BLACK. 93% – Very Good – A well-cared for item that has seen limited use and is fully operational and functions as intended. It may or may not include the original box. Additional Details for eCommerce. COMES AS PICTURED IN BOX – PAIR – SEE PHOTOS FOR DETAILS. Cords, Cables, and Attachments. 89% – Includes primary cords, cables, connectors, and attachments, but may not be as provided by original manufacture. Pair of HD510 Speakers – Like New in Box – We are not the original owners and can’t tell if they have seen use or how much, but they do appear in unused condition – See Photos for Details. If you are looking for the best solution to your short or long-term cash needs, Pawn Central may be the answer you’ve been searching for. With 3 convenient locations, all open 6 days a week, Pawn Central is the one-stop pawn shop you can trust to get the cash you need, when you need it. These items may include jewelry, gold, game systems, musical instruments, electronics, tools, computers, and much more…. Jewelry, Electronics, Tools, Video Games and Systems.