Experience films, games and multi-channel music in high-resolution cinema sound. The compact, wall-mountable ES15 full-range surround speaker from Polk is Hi-Res Audio certified, Dolby Atmos and DTS:X compatible and features an acoustic array with Dynamic Balance, precision crossovers and Power Port technology for more powerful bass. The ES15's Hi-Res Audio-certified terylene dome tweeter delivers crystal clear highs (40+ kHz) for high-resolution music from services such as Apple Music, Tidal, Amazon Music HD, Qobuz and Spotify HiFi, as well as the soundtracks of Ultra HD films. Polk's patented Power Port design provides a wider surface area and smoother airflow for more power and less distortion compared to speakers with a conventional bass reflex port. Combined with the ES15's 5.25-inch woofer, this means effortless bass that tickles the gut. Thanks to the acoustic array with Dynamic Balance and phase-optimised precision crossovers, the Signature Elite ES15 ensures a seamless, realistic sound image regardless of your listening position. The ES15 delivers clear, room-filling and realistic sound reproduction for virtually any amplifier or receiver - from classic 4- or 8-ohm audio systems to surround sound AVRs with Dolby Atmos and DTS:X.