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Polk Signature S30E Centre Speaker - Black Experience rich, clear, full-range sound for movies, TV, and music with the Polk Signature S30E centre speaker. Designed with Polk’s Dynamic Balance technology and exclusive Power Port bass enhancement, this high-resolution HiFi speaker delivers immersive home theatre audio with precision and style. Key Features Dynamic Balance acoustic array for rich, clean, full-range sound 1” high-resolution Terylene tweeter for crystal-clear high frequencies up to 40kHz Two 5.25” mica-reinforced polypropylene cones for low distortion bass and dynamic mid-range Exclusive Polk Power Port technology for deeper, more impactful bass with 3dB more output High sensitivity and compatibility with amplifiers from 20 to 125 watts Supports latest Dolby and DTS surround sound technologies Two-way phase optimised crossover for focused dialogue and seamless speaker blending Anti-diffraction magnetic grille minimises sonic interference Gold-plated 5-way binding posts for efficient, lossless connections Critically damped MDF cabinet reduces internal resonance and colouration Timbre-matched design for seamless multi-channel system integration Modern styling with curved edges in black finish to complement any home décor Limited 5-year warranty, designed in California and co-engineered in the US and Europe Specifications Height: 7.5" (19.05 cm) Width: 20" (50.8 cm) Depth: 10.6" (26.92 cm) Weight: 19 lbs (8.62 kg) Driver Enclosure Type: Power Port bass vented Driver Complement: (2) 5.25" (13.34 cm) mid/woofer, (1) 1" (2.54 cm) tweeter Audio Inputs: (1) pair of gold-plated 5-way binding posts Total Frequency Response: 42 Hz – 40,000 Hz Max Sensitivity (1 watt @ 1 metre): 89 dB Nominal Impedance: 8 ohms Recommended Amplifier Power Per Channel: 20 watts – 125 watts What's in the Box 1 x Polk Signature S30E Centre Speaker