Has anyone used any of these amps?
Im looking at these 2 specifically
Lanzar OPTI4000D (opti-4000d) Monoblock Class D OptiDrive Amplifier
Lanzar OPTI3500D (opti-3500d) Monoblock Class D OptiDrive Amplifier
Are they true to rating, reliable, how's sound quality, things like that.
I would be...