Most of the Lanzar products are straight garbage, but the OptiDrive amplifiers are very high quality.
Dont open your mouth when you dont know what youre talking about.
If you're a DIYMA member then why the fug are you over here asking about SQ stuff //content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif