Sena Universal Helmet Clamp Kit with Slim Speaker Rim Width_2.15 Inch horns and other accessories is

horns and other accessories is supported

Does not include plastic guards

Thermo foamed 3D air channels for maximum ventilation

fibreglass or formaldehyde

Unique formulation

Sena Universal Helmet Clamp Kit with Slim Speaker Rim Width_2.15 Inch horns and other accessories isThe Universal Clamp for Helmets with Slim Speakers is suitable for the Sena 20S EVO and 30K communication systems. Included: Helmet Clamp Set of slim speakers and speaker pads Wired boom microphone Boom Microphone Mic socks Adhesive hook and loop fasteners Note: This kit contains slim speakers that measure 32mm in diameter and 7mm thickness with a 20mW output.