Are you considering to buy this product? ..... I can tell you that you do not need now. Ordered and arrived in 2 days, I have full of anticipation "ripped" the package, connected and tested. I was the (almost) Crystal clear sound convinced ..... Oh yes ... there was something with the bass so .... as I can tell from experience that I never (I repeat: NEVER) So a röhrendes got something for so little money. Conclusion: If you complained here should look around on a professional set.