DESC: Product Features 5-piece 5-channel home theater system Includes 1 RM8 center channel, 2 RM8 satellites and 2 RM7 satellites Over all frequency response: 95Hz-24kHz RM8 satellites' dual-driver design ensures more dispersion pattern options for the utmost in placement flexibility Magnetically shielded for safe placement next to today's state-of-the-art TVs and monitors Technical Details Brand Name: Polk Audio Model: AM8555-A Speaker Type: Home theater speaker system Speaker Amplification Type: Passive Speaker Connectivity: Wired Depth: 4.25 inches Height: 7.5 inches Width: 4.25 inches Product Description Sound this big from speakers this small just has to be heard to be believed. The Polk Audio RM85 5-pack speaker system complements today's stylish high-tech flat panel TVs and audio electronics. With its two RM7 Satellite speakers, RM8C Center Channel speaker and two RM8 Wide Dispersion Array Satellites, the RM85 presents a sleek, minimalist design while delivering impressively big sound.