View on LOZ Suggested Retail: $299. Polk Signature Elite ES30 Center Channel Speaker - Hi-Res Audio Certified and Dolby Atmos & DTS:X Compatible, 1'' Tweeter & Two 5.25'' Woofers, Dual Power Port for Effortless Bass, Stunning Black. Polk Signature Elite ES30 features Dynamically Balanced Acoustic Array with Precision Crossovers, a 1'' Terylene Tweeter and (2) 5.25'' Woofers that deliver room-filling, crystal clear sound in a lifelike soundstage. NOT ONLY HEAR, BUT FEEL THE HEART-THUMPING BASS - With Polk's Patented Power Port Technology, the ES30 center channel gives you a dramatic frontal impact and carries almost 75 percent of the audio so you get louder, lower, and cleaner bass, distortion free. REALISTIC SOUND REPRODUCTION – ES30's high sensitivity and 4- & 8-Ohm compatibility delivers spacious, enveloping, and true to life music streamed online via Apple Music, Amazon Music HD, Spotify & more and even from the latest Dolby Atmos & DTS:X AVRs. LOOKS TO KILL - The Signature Elite speakers with their bold, modern looks are sure to make heads turn, no matter where you are sitting in the room. Place the ES30 on a shelf or a speaker stand (sold separately) and it will blend with your home décor.. 7 CALENDAR DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.