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The KEF Q550 Floorstanding Speaker and KEF Q350 Bookshelf Speaker are built around KEF’s renowned Uni-Q driver technology, but they target different listening needs. The Q550 is a full-size floorstanding speaker designed to deliver deeper bass, larger soundstage performance, and greater room-filling capability. In contrast, the Q350 is a compact bookshelf speaker that focuses on flexibility, space efficiency, and impressive detail for its size. Both offer similar sensitivity ratings and wide frequency ranges, making them excellent choices for hi-fi and home theater setups. The right choice largely depends on your room size, listening preferences, and budget.
Verdict
The KEF Q550 is the stronger overall performer for users seeking a complete stereo or home theater experience with fuller bass and greater scale. Its floorstanding design eliminates the need for speaker stands and provides a more immersive presentation in medium to large rooms. The KEF Q350 remains an excellent option for smaller spaces, desktop audio, or listeners who want premium KEF sound in a compact footprint. For most buyers focused on long-term audio performance, the Q550 is the better investment.
| Specification | ||
|---|---|---|
| Price | 91711.00 |
85000.00 |
| Brand | KEF |
KEF |
| Model No | Q550 Floorstanding Speaker |
Q350 Bookshelf Speaker |
| Wired / Wireless | Home Theatre Speaker Specification |
Home Theatre Speaker Specification |
| Driver Type | Dynamic |
Dynamic |
| Driver Diameter | 130 mm Aluminum LF 130 mm Aluminum Uni-Q 2 X 130 mm Aluminum ABR 25 mm Vented Aluminum Dome HF |
165 mm Aluminum Uni-Q 25 mm Vented Aluminum Dome HF |
| Impedance | 8 Ohms ( Min. 3.5 Ohms ) |
8 Ohms ( Min. 3.7 Ohms ) |
| Sensitivity | 87dB |
87dB |
| Frequency Response | Frequency response ( ±3dB ) 58Hz - 28KHz Frequency Range Free Field ( -6dB ) 45Hz Crossover Frequencies : 2.2KHz |
Frequency Response ( ±3dB ) 63Hz-28KHz Crossover Frequencies 2.5KHz Frequency Range Free Field ( -6dB ) 42Hz |
| Maximum Power Input | NA |
NA |
| Maximum Power Output | 15 -130 W ( RMS ) Two And A Half-Way Bass Reflex |
15 - 120 W ( RMS ) Two-Way Bass Reflex |
| Signal to Noise Ratio | 110dB |
110dB |
| Noise Cancelling | ||
| Aux Connectivity | No |
No |
| Weight | 14.5 Kg |
7.6 Kg |
| Dimensions | Speaker : 873 mm X 180 mm X 278 mm With Plinth : 926 mm X 299 mm X 310 mm |
Speaker : 358 mm X 210 mm X 306 mm With Rubber Feet 362 mm X 5210 mm X 306 mm |
| Available Colors | Black, White |
Black, White |
| Accessories | KEF Q550 Floor Standing Home Theatre Speaker User Manual Warranty Card |
KEF Q350 2 Bookshelf Home Theatre Speaker User Manual 2 Foam Port Plugs Warranty Information 8 Self-Adhesive Rubber Feet |
| Other Features | Warranty : 3 Years. The Q550 features a 5.25†Uni-Q Driver Array, one 5.25†bass driver, and two 5.25†auxiliary bass radiators. The Q550 features New internal upgrades for its low-frequency drivers, including New Surrounds and rear Suspension, for immaculate bass no matter the volume. The Q550 contains an enhanced Uni-Q Driver Array designed to smooth out treble frequencies, and reimagined crossovers to provide cleaner and more accurate bass. The KEF Q550 Floorstanding speaker is the newest iteration of KEF award-winning Q Series. The Q550 features a redesigned cabinet, sleek new finishes, and an improved Uni-Q Driver Array. |
Featuring a Computational Fluid Dyanmics (CFD) port design with the port repositioned to the rear of the speaker. KEF, Wireless Music System , speaker, wireless speaker system, satellite speaker, bluetooth, stereo, home entertainment. The Q350 uses a famous technology to great effect, with the Uni-Q drive unit. This involves positioning the treble unit in the middle of the woofer Made from lightweight yet rigid aluminium, the woofer unit is fast to respond and linear in its response. This helps give life-like dynamics and low levels of distortion. Early in this review process I realized that Q350 is not the poor person's LS50, but has a unique goodness of its own. The Q350 is a lively and open-sounding loudspeaker. |
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Frequently Asked Questions
Top Differences
- Frequency Response: Frequency response ( ±3dB ) 58Hz - 28KHz Frequency Range Free Field ( -6dB ) 45Hz Crossover Frequencies : 2.2KHz vs Frequency Response ( ±3dB ) 63Hz-28KHz Crossover Frequencies 2.5KHz Frequency Range Free Field ( -6dB ) 42Hz
- Subwoofer Size: 130 mm vs 165 mm