| Frequency Response | 8.5Hz - 500Hz, 10Hz - 350 Hz | Frequency Response ( ±3dB ) : 11Hz – 200Hz
Variable Low Pass Filter : 40Hz – 140Hz, LFE |
| 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. | Optimised with KEF's Music Integrity Engine.
2 X 9-inch force-cancelling drivers propelled by a formidable 1000W (RMS) of amplification.
5 Built in EQ options - The intuitive preset options ensure excellent performance from KC92 no matter where in the room it is placed.
The drivers feature a hybrid aluminium/paper cone, an oversized motor system with a vented design for the voice coil, ensuring vanishingly low distortion and exceptional precision.
Versatile connections including KEF SmartConnect and speaker level inputs ensure effortless setup. It also features a line output with High Pass Filter ( HPF ) for fine-tuned integration. |
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