Dual SGoS : Like a tank...superb German quality!

There are not suitable words for this lovely device to describe how massive & beauty it is.

The package is very simple, the user manual also just couple of pages long.

I use its Mode 4 (Carl Verheyen mode) as I have 2 amps to play at the same time (they are connected to Output A & B) and sometime I'd like to switch between them and also I have a Dunlop Talkbox which gets the signal from Output T.

The other Modes are also very good it depends which one is suitable to your needs.

The switch is extremely quiet, no pops, no hiss! The phase inverter button is amazing, the ground lift also.

If you have 2 amps plus another device like tuner and you want to switch between them this is the only device I would recommend! Nothing else just Lehle!