There are a couple of reviews up on our mail in mod, guys who used the speakers before and sent them in, then heard them after.

Yamaha HS80M ZENPRO Mod Service | ZenPro Audio

Those were HS80M mail ins, we have done a bunch of these but normal for reviews, only a small % bother to come back and report what they think.

We know the differences here for sure and it is not subtle.

The HS8 is an improved speaker, but experiences the same changes with our full mod.

War