Sharman's flat single helmet speaker with a long lead terminating with a 2.5mm Mono jack plug, designed to fit inside most motorcycle helmets.

The 2.5mm mono jack plug can connect to 2.5mm mono speaker socket found on few different two-way radio walkie-talkies or receivers, such as Kenwood and Cronus KR-595.

Pack comprises of one flat speaker inside a velcro cover designed to affix inside helmet with spare supplied round adhesive velcro pad for quick install and removal. Extra pad included for secondary installation.