Finding Listening Centers for your office can be hard when you need a mix of price, utility and style. Luckily, Wayfair Supply has products like the Replacement 12V AC Power Adapter for 900 Series Transmitter and Listening Center to help narrow your search for your office needs. Search by Headphones, Jacks or Ships To. With 2-day Shipping and Brands like Hamilton Electronics and Oklahoma Sound Corporation, you’re sure to find the right Both Listening Centers for your small business, school or building. We make finding the right Listening Centers easy and cost effective for commercial shoppers by putting it all on the same site – Wayfair Supply.