For bass you can feel

With digital amplification, DB4S delivers all the visceral rumble and punch you need to bring cinema sound to life.

Nimble and powerful

Solid, dramatic bass is delivered through the rigidity and lightness of the uniquely-shaped, variable thickness Aerofoil™ cone.

Powerful amplification

Thanks to digital amplification, DB4S delivers all the precision, control and authority you could ask for.

Digital preamplifier

DB4S uses a digital preamplifier featuring Dynamic EQ, for optimized audio performance across the available frequency range.

Control App

Adjust calibration and correction easily using the dedicated DB4S smartphone app.