iQ9 vs Polk Audio Signature Elite ES55
The Signature Elite ES55's sensitivity is 89 dB against the iQ9's 91 dB. Both share impedance (8Ω), high-frequency extension (40 kHz), and woofer (6.5").
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The KEF iQ9 Tower Speakers are high-performance 3-way floorstanding loudspeakers designed for audiophiles seeking impeccable vocals, detailed midrange, and powerful bass. They incorporate KEF's signature Uni-Q driver technology, which places the tweeter in the acoustic center of the midrange cone for improved sound dispersion and imaging. The system includes two 165mm low-frequency drivers, one 165mm Uni-Q midrange driver, and a 19mm aluminium dome tweeter. The enclosure is bass-reflex type with massive internal bracing to reduce distortion. These speakers are magnetically shielded and bi-wire capable, suitable for amplifiers rated between 15 and 200 watts. Their frequency response spans from 38Hz to 40kHz, with a sensitivity of 91dB and a maximum output of 113dB SPL. The KEF iQ9 measures 942mm high, 220mm wide, and 327mm deep, weighing 16.6kg each. They are well-suited for high-end home theater and music listening in large rooms, offering devastating accuracy and emotional power in orchestral and complex compositions.
Driver and acoustic performance characteristics
Driver configuration and enclosure design
Size, weight, and appearance
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The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The Signature Elite ES55's sensitivity is 89 dB against the iQ9's 91 dB. Both share impedance (8Ω), high-frequency extension (40 kHz), and woofer (6.5").
The 3050i's impedance is 6Ω against the iQ9's 8Ω and its low-frequency extension 44 Hz against 38 Hz. Both share sensitivity (91 dB) and woofer (6.5").
The M-590i's sensitivity is 89 dB against the iQ9's 91 dB. Both share impedance (8Ω), woofer (6.5"), and ways (3).
The S310's low-frequency extension is 40 Hz against the iQ9's 38 Hz. Both share sensitivity (91 dB), impedance (8Ω), and ways (3).
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