Brand new in box, never used! One QRT Quantum Qx4 power purifier (Nordost). It was still factory sealed, we took it out of the box for taking pictures only. It is the 230 volts EU schuko version. The original box and manual are included. Retail price is 2.399 euro, now for 1.899 euro only. We got this Qx4 from an official Nordost / QRT Quantum dealer in trade for other items. Please check our other items. Free shipping worldwide!