Pair of Roister Prisma Mini D speakers in very good condition. "D" (Diffuse) version of the Prisma series, which is designed exclusively for use as surround speakers in Home Cinema systems with a very wide and atmospheric sound, making the effects of movies fill the room without the source of the sound being detected. Specs: - Type: 2-Way Diffuse Surround Speakers: One woofer (4") and two tweeters on each speaker. - Design: Triangular / wall clips / approximately 2.5-3 pounds each. Very sturdy construction.