The ZeroNoise Brave Intercom Amplifier is an analog amplifier that offers exceptional value for money. This latest version features improved electronics and dual volume control for even better performance. The amplifier features advanced noise filtering and produces a clean and powerful sound. It is protected by the anti-shock, anti-vibration silicone cover and comes complete with a mounting bracket so it can be mounted to a dash or roll bar.Efficient amplification for a long battery lifeNo 'pop' when you connect or disconnect headsets from the amplifier2m long helmet/headset connection cables with coiled section to keep them neaterDual volume controls to get the perfect balance between driver and co-driver9v battery powered or 12v power cable to connect to the vehicle (battery not included)On/Off led light indicatorAudio out enables you to connect an external cameraDeveloped in conjunction with Bell racing helmets, the ZeroNoise Brave amplifier is available with a choice of either mal