Polk Audio CSi A4 Center Channel Speaker

The Polk Audio CSi A4 is a compact center channel speaker built with Polk's Dynamic Balance driver technology, designed to keep dialogue clear and intelligible in a home theater system.

Perfect for:

• Home theater systems needing a compact center channel
• Dialogue-critical movie and TV watching
• Below or above a TV or projector screen

Key Benefits

Dynamic Balance Drivers

Two 5.25-inch polymer composite mid/woofers with rubber surrounds pair with a 1-inch silk polymer dome tweeter for smooth, low-distortion dialogue.

Technical Highlights

• 2x 5.25-inch Dynamic Balance mid/woofers
• 1-inch Dynamic Balance silk polymer dome tweeter
• Frequency response: 55Hz-27kHz
• Sensitivity: 89dB
• Recommended amplifier power: 20-180W

Ideal For

• Home theater center channel
• Dialogue-critical movie watching
• Compact TV setups