Check the listing for details. Xantech MATCH MAKER Speaker Volume Control 755W-00 White. Condition: New. Listed at 31.03 USD. Xantech MATCH MAKER Speaker Volume Control 755W-00 White This Xantech Corporation speaker volume control easily attaches to your speakers for seamless volume control. Note: Packaging may be opened to Document & Photograph Part(s). Parts are (NOS/Vintage) New & Unused. Original packaging may have fading, cosmetic wear and tear. The pictures are up to date and accurate. Please check the full description and photos to insure you are ordering the correct item(s) before purchasing. Please message the Seller directly at any time for the best support, do not rush to contact eBay. If you are satisfied with your order, please leave positive feedback. Thank you! What is NOS?New Old Stock (NOS), or old stock for short, refers to aged stock of merchandise that was never sold to a customer and still new in original packaging. Such merchandise may not be manufactured anymore, and the new old stock may represent the only current source of a particular item.