Best prices on Earcup in Stereo Speakers & Headphones. Check out BizRate for great deals on Stereo Speakers & Headphones from Sony, Sennheiser and Panasonic. Use BizRate's latest online shopping features to compare prices for Earcup. Read product specifications, calculate tax and shipping charges, sort your results, and buy Electronics with confidence. Easily narrow your search and find the product that's perfect for you: Sennheiser RS-130 RF Wireless Headphones - Sennheiser RS110 Wireless Headphones.