| Frequency Response | 8.5Hz - 500Hz, 10Hz - 350 Hz | Crossover Frequency : 440 Hz, 2.3 KHz
Frequency Range ( -6dB ) : 39 Hz - 20KHz
Frequency Response ( ±3dB ) : 46 Hz - 20KHz
Typical In-Room Bass Response ( -6dB ) : 28 Hz
Harmonic Distortion ( 90dB, 1m ) : <2% 35 Hz & Above, <1% 38 Hz - 20 KHz |
| Other Features | Active Closed-Box Subwoofer System.
Adjust calibration and correction easily using the dedicated DB4S smartphone app.
Thanks to digital amplification, DB4S delivers all the precision, control and authority you could ask for.
DB4S uses a digital preamplifier featuring Dynamic EQ, for optimized audio performance across the available frequency range.
Solid, dramatic bass is delivered through the rigidity and lightness of the uniquely-shaped, variable thickness Aerofoilâ„¢ cone.
Technical Features - 1X ø250mm (10 in) Aerofoil™ Cone Bass, Digital Preamplifier With Dynamic EQ, App-Based Set-Up & BT-LE Control.
For bass you can feel- With digital amplification, DB4S delivers all the visceral rumble and punch you need to bring cinema sound to life.
Give your home theater set-up the bass impact it deserves with DB4S – a powerful, classically styled single driver subwoofer that's a perfect match for the 700 Series. | Q7 features KEF's revolutionary Meta material technology that can absorb 99% of the unwanted noise from the rear of the driver for pure and natural sound.
KEF's 12th Generation Uni-Q driver acts as a single point source to disperse sound more evenly for an immersive and cohesive soundstage with better clarity.
The Q Series speakers feature a contemporary minimalist design with a satin finish that offers a premium, subtle glow. Available in Satin Black, Satin White, and Walnut finishes, they are designed to blend effortlessly into any interior.
A critical component of the Q series is the refined crossover, which ensures seamless integration of all speaker parts. More than 1,000 specific measurements are taken for each speaker model, allowing precise signal path and optimisation for best possible performance.
The Q Series features a hybrid bass driver design that provides stiffness to achieve a piston-like movement for better bass punch and speed. Combined with a port modelled using Computational Fluid Dynamics (CFD), this results in precise and agile bass management even at high output levels. |