colotube is truly international

colotube is different - even in the way we do sales. We offer you to build up a personal relationship with the manufacture . We therefore offer an exclusive service:

After talking through all you questions, you can visit s in Switzerland to listen to it. We will pick you up at the airport in Geneva, Zurich or Bern. We offer you two nights for free in our luxury suite, 50m2 with a built in jacuzzi and a separate WC.

You will experience colotubes exclusive Service an all levels. If you decide to purchase our 300B amplifier as an end user, we will gladly reimburse your flight costs up to CHF 1000.

After the sale, we will safely ship the amplifiers to your address. Anywhere in the world. Profit from our special FedEx fares.

We believe in our products. However, should you ever have a problem, you can ship the amplifiers back to us, and we will repair or replace it. 

Fast and reliable.