The ES50 is the most space-conscious tower in Polk's Signature Elite line-up — proof that you don't need a huge cabinet to get real floorstanding sound. 

Each speaker uses two 5.25" mica-reinforced woofers alongside a 1" Terylene dome tweeter, working through Polk's Dynamically Balanced acoustic array to spread sound evenly across the room — so the sofa, the armchair, and the kitchen doorway all get the same clear, detailed listening experience. Polk's patented Power Port technology reshapes airflow inside the cabinet for deeper, cleaner bass with less distortion than a standard vented design, giving you noticeably fuller low-end without needing a subwoofer in smaller to mid-sized rooms. 

Hi-Res Audio Certified and Dolby Atmos & DTS:X compatible, the ES50 handles everything from high-resolution streaming on Tidal or Apple Music to full surround-sound movie nights with equal confidence. The cabinet is built from rigid, acoustically inert MDF with internal bracing that keeps unwanted resonance out of your sound, while an anti-diffraction magnetic grille (removable for a sleeker look) keeps interference to a minimum. Dual gold-plated 5-way binding posts make wiring quick and give you a clean, lossless connection every time. 

For anyone who wants genuine tower-speaker performance — width, depth, and impact — without giving up floor space, the ES50 is the smart entry point into Polk's Signature Elite range. 

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