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LoudspeakersFloorstanding SpeakersDiscontinued
Estimated price (community-sourced)
$550
Around — community and catalog average, updates slowly
About the Q550
The KEF Q550 is a passive, 2.5-way floorstanding loudspeaker from KEF’s Q Series. Its Uni-Q array combines a 130 mm aluminium midrange driver with a 25 mm vented aluminium-dome tweeter; a separate 130 mm aluminium bass driver and two 130 mm aluminium auxiliary bass radiators support low-frequency output. The cabinet uses a bass-reflex design. Dimensions are 873 × 180 × 278 mm (H × W × D), or 926 × 299 × 310 mm with the plinth; weight is 14.5 kg per speaker.
Specifications
Type: Passive floorstanding loudspeaker; design: 2.5-way bass reflex; drivers: 130 mm aluminium Uni-Q midrange, 25 mm vented aluminium-dome HF, 130 mm aluminium LF, 2 × 130 mm aluminium ABRs; frequency response: 58 Hz–28 kHz (±3 dB); free-field frequency range: 45 Hz (−6 dB); crossover frequency: 2.5 kHz; sensitivity: 87 dB (2.83 V/1 m); nominal impedance: 8 Ω (minimum 3.5 Ω); recommended amplifier power: 15–130 W; maximum output: 110 dB; dimensions (H × W × D): 873 × 180 × 278 mm (926 × 299 × 310 mm with plinth); weight: 14.5 kg each.