The KEF Q350 Bookshelf Speaker is the newest iteration of KEF award-winning Q Series. The Q350 features a new cabinet, sleek new finishes, and an improved 6.5” Uni-Q driver Array.
The Q350 contains an enhanced Uni-Q driver Array designed to smooth out treble frequencies, and reimagined crossovers to provide cleaner and more accurate bass.
The front port has been moved to the back of the Q350 and internal architecture has been redesigned to reduce internal resonances to improve audio clarity.
The Q350 is available in sleek matte Black and White vinyl finishes.
The KEF Q350 bookshelf speaker, the bigger brother of the KEF Q150, incorporates and successfully builds upon everything KEF fans have come to know and love about the bookshelf speaker. The New Q350 boasts a revamped Unit-Q driver array with a damped tweeter loading tube designed to smooth out treble frequencies, and reimagined crossovers to provide cleaner and more accurate bass. Architecturally, the Q350 benefits from a New port, which has been moved to the rear of the speaker to improve audio clarity, and the Unit-Q driver array has been relocated to the middle of the cabinet to reduce unwanted internal resonances. These changes between the Q300 and Q350 have transformed an already breathtaking bookshelf speaker into one that truly needs to be heard to be believed. The Q350 is available in sleek matte Black and white vinyl finishes. Grilles for the Q350 are sold separately. Dimension (H X W X D) with Rubber Feet 362mm (14.25 inches) x 210mm (8.26 inches) x 306mm (12.04 inches)
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| | Q150 Bookshelf Speaker | Q350 Bookshelf Speaker | Q550 Floorstanding Speaker | Q750 Floorstanding Speaker | Q950 Floorstanding Speaker | Q250c Center Channel Speaker |
| Design | Two-way bass reflex | Two-way bass reflex | Two and a half-way bass reflex | Two and a half-way bass reflex | Two and a half-way bass reflex | Two-way bass reflex |
| Drive Units | 5.25 in. Uni-Q Driver Array | 6.5 in. Uni-Q Driver Array | 5.25 in. Uni-Q Driver Array / 5.25 in. Woofer / 2x 5.25 In. ABR | 6.5 in. Uni-Q Driver Array / 6.5 in. Woofer / 2x 6.5 In. ABR | 8 in. Uni-Q Driver Array / 8 in. Woofer / 2x 8 In. ABR | 5.25 in. Uni-Q Driver Array / 2x 5.25 In. ABR |
| Frequency Range Free Field (-6dB) | 47Hz | 42Hz | 45Hz | 42Hz | 38Hz | 57Hz |
| Frequency Response (±3dB) | 51Hz - 28kHz | 63Hz - 28kHz | 58Hz - 28kHz | 48Hz-28kHz | 44Hz-28kHz | 68Hz - 28kHz |
| Crossover Frequency | 2.5kHz | 2.5kHz | 2.5kHz | 2.5kHz | 2.2kHz | 2.5kHz |
| Amplifier Requirements | 10-100W | 15-120W | 15-130W | 15-150W | 15-200W | 10-100w |
| Sensitivity (2.83V/1m) | 86dB | 87dB | 87dB | 88dB | 91dB | 87dB |
| Maximum Output | 108dB | 110dB | 110dB | 111dB | 113dB | 108dB |
| Nominal Impedance | 8Ω (min.3.7Ω) | 8Ω (min.3.7Ω) | 8Ω (min.3.5Ω) | 8Ω (min.3.8Ω) | 8Ω (min.3.2Ω) | 8Ω (min.3.4Ω) |
| Dimension (H X W X D) | 11.92 inches x 7.08 inches x 10.944 inches | 14.25 inches x 8.26 inches x 12.04 inches | 36.45 inches x 11.77 inches x 12.20 inches | 38.46 inches x 12.71 inches x 12.20 inches | 43.93 inches x 14.05 inches x 12.91 inches | 7.24 inches x 20.66 inches x 8.42 inches |
