24, 25 Hydrosilence A better use of energy The new Hydrosilence systems ensures optimum massaging power at any given moment. This in turn means lower electrical power consumption, even when the system is operating at maxim power.Another good reason to feel more relaxed. Powerful or soft... just as you like As you lie relaxing in the whirlpool bathtub, you can vary the pressure of the jets, selecting a lighter or a more vigorous treatment. Even when the gentlest version of the massage is selected, your Hydrosilence continues to blend air and water in constant proportions, so that the quality of the treatment remains unaffected.With a Hydrosilence system, the benefits of the whirlpool-ultrasound combination are enhanced by the freedom to select the intensity of the massage preferred on the day, and without compromising the results.