CINEMA SOUND IN THE COMFORT OF YOUR HOME – The CS1 center channel has (2) 5 1/4 inches Polk's Proprietary Dynamic Balance Woofers & a 1 inches Tweeter for detailed high frequency response & more accurate reproduction of audio with very low distortion MORE POWER IN THE CENTER – An aptly designed port on the rear of the speaker gives you powerful, deep bass so you can enjoy high impact music that’s natural and lifelike UNIQUE REVERSIBLE DESIGN gives you the flexibility to position the loudspeaker below the ear level and still hear clear, crisp sound. Turn the cabinet upside down and it aims the sound up, directing it right at your listening level EXPECT GREAT SOUND! For a timbre matched setup, pair the CS1 with Monitor 60 or 70 Tower Speakers for larger rooms, Monitor 40 Bookshelf Speakers for smaller rooms, or combine them all together for an amazing surround sound setup Polk's UNWAVERING COMMITMENT, RELIABILITY, AND CRAFTSMANSHIP, has made it one of the most trusted names in home audio speakers and entertainment systems; They bring out BEST IN TECHNOLOGY, so you can SIT BACK, RELAX AND LISTEN WITH YOUR HEART