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High-resolution Hi-Fi centre speaker: Experience movies, games and multi-channel music with crystal clear dialogues in high-resolution sound with your home cinema sound system. Unique technology: Experience a seamless, realistic sound regardless of your listening position. The Signature Elite ES30's acoustic array with Dynamic Balance, three drivers and phase-optimized precision crossovers ensure crystal clear dialogue reproduction. HEAR MORE DETAILS: The ES30's Hi-Res audio certified terylene dome tweeter delivers crystal clear treble (40+ kHz) for high-resolution sound in Ultra HD movies, multi-channel concert videos, and Apple Music, Dolby Atmos or DTS:X home theater sound systems. Loud bass with minimal distortion: Polk's Power Port technology delivers effortless bass so you can hear and feel impressive sound exactly as director intended. READY FOR YOUR RECEIVER: With high sensitivity and 4 and 8 ohm compatibility, the ES30 delivers realistic, powerful and dynamic sound reproduction for virtually any amplifier or receiver – including the latest surround sound AVRs with Dolby Atmos and DTS:X. THOUGHTLY DESIGNED AND CONSTRUCTED: A solid, solid and acoustically neutral housing made of specially attenuated Medite MDF, a diffraction-reducing magnetic speaker cover and gold-plated 5-way connection terminals ensure the purest sound.