KEF iQ9 SP3503 Floor Standing Speakers – Flagship iQ Series | Audiophile Towers | Excellent Sound
Condition:
Pickup Preferred in our Audio Department or shipping can be arranged
158 W Clinton St
Dover, NJ 07801
7 days a week from 11AM - 6PM
Our in-house Technician is available M-F during store hours.
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Description
KEF iQ9 SP3503 Floor Standing Speakers, one of the flagship models from KEF's highly regarded iQ Series. These speakers are known for delivering an expansive soundstage, exceptional imaging, and the natural, detailed presentation that made KEF famous.
Featuring KEF's signature Uni-Q® coaxial driver technology, the iQ9 creates a precise "sweet spot" that fills the room with lifelike sound whether you're enjoying music or building an immersive home theater.
If you're looking for a speaker that combines deep, controlled bass with crystal-clear vocals and detailed highs, the iQ9 remains one of the best values in high-end used audio.
Specifications
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Model: KEF iQ9 (SP3503)
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Type: 3-Way Bass Reflex Floor Standing Speaker
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Configuration:
- 1 × 165mm (6.5") Uni-Q Midrange/Tweeter Array
- 25mm (1") Aluminum Dome Tweeter (center-mounted)
- 2 × 165mm (6.5") Bass Drivers
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Frequency Response: Approximately 38Hz – 40kHz
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Sensitivity: 91dB (2.83V/1m)
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Nominal Impedance: 8 Ohms
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Recommended Amplifier Power: 15–200 Watts
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Bass Loading: Rear Ported Bass Reflex
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Bi-Wire / Bi-Amp Compatible: Yes
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Cabinet Finish: (Specify finish)
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Dimensions (H × W × D): Approx. 39.5" × 8.3" × 13.2"
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Weight: Approximately 48 lbs (22 kg) each
Specifications compiled from manufacturer documentation and archived product information.
Why Buy the KEF iQ9?
✔ Flagship model of the acclaimed KEF iQ Series
✔ Legendary Uni-Q driver technology provides exceptional imaging and a wide listening sweet spot.
✔ Powerful dual-woofer design delivers deep, tight bass without sacrificing midrange clarity.
✔ Outstanding for:
- Vinyl listening
- Two-channel stereo systems
- Home theater front channels
- Jazz, classical, rock, acoustic, and electronic music
✔ Easy to drive with most quality stereo or AV receivers thanks to their high sensitivity.
✔ Beautiful British engineering with timeless styling.
These speakers have earned a strong reputation among hi-fi enthusiasts for their spacious soundstage, excellent clarity, and long-term listening comfort. They continue to be sought after on the used market because they deliver performance that rivals many newer speakers costing significantly more.
