Ultrasonic titanium booster solid mount 20 kHz, without O-rings and therefore extreme rigid Email : info@sonic-power.com Sonic Power Ultrasonic Boosters are available with ratios of 1:0:5, reduce the amplitude / vibrations. 1:1.0 keep the amplitude without change. 1:1.5 increase the amplitude / vibrations. 1:2.0 increase the amplitude / vibrations. 1:2.5.increase the amplitude / vibrations. 1:3.0...