Pro-Ject Pre Box DS2 analogue ForforstærkerAudiophile stereo preamplifier with five analogue inputs Pre Box DS2 analogue simple, elegant and highly audiophile! The heart of the Pre Box DS2 analogue is a pure Class A output, an absolute high end solution. A new circuit design and a newly developed relais controled volume are responsible for the extremely low noise floor of Pre Box DS2 analogue. The inputs are also switched lossless via relais. Because of couple capacitor free signal paths the