€ 20 weight we pay for ;-)

The casing is metallic and strong. The interior is a bit more "quincail" ... The cards are golden but not much thicker, the son of connections between the plugs and the switch are thin (less than 0.5) is the treatment for damage qd cable quality over other system components. The selector (center button) is a ball switch to 3 francs 6 under at Conrad. The result is that:
if you switch between multiple sources to a receiver no worries if it is certainly the loss of data (fine-strand)
if you switch between several amps to a source, then you should turn off unused amplifiers otherwise it sizzles (interference due to the lack of shielding?)