I know that everyone here is saying that these work with the G10, fuse, G9, etc. but do they work with the old nine.9? I know that its basically the same helmet as the G9 just an older model, but I want to buy something and deal with sending it back and everything

Tech Specs:

Material:

Nylon, plastic 

Input Connection:

3.5mm Plug 

Cord Length:

Not Specified 

Weight:

Not Specified 

Compatibility:

Giro Omen, Fuse, G10/G10 MX. Nin.9 Bad Lieutenant, and Encore helmet models. 

Recommended Use:

Skiing, snowboarding 

Manufacturer Warranty:

1 Year 

Country of Origin:

China