Acoustic Laminated Windshield. The special laminated glass that comes from an acoustic windshield allows for a reduced amount of ultraviolet raise being transmitted through the glass. A possible disadvantage is possibly more cracks due to thinner glass and cost. Nothing you can really do about cost though.
Every jl model has acoustic windshields. Other aftermarket products will.
They can use thinner glass because the sound dampening is done by using the pb.
This can lead to lower stress levels better concentration and a better mood. Every jl model has acoustic windshields. The sound deadening glass is just one way to reduce the noise in the passenger compartment. Acoustic glass has several layers of polyvinyl butyral laminated between layers of glass.