Quad 99 Mono Amplifier. Traded in, quad mono amplifier set. 

One amplifier is in good working order, the other has already 

been serviced but is not working properly. One amplifier plays 

softer than the other and sometimes makes strange noises 

through the speakers. So you are buying one working amplifier 

and one defective one. Please do not buy if you cannot repair it. 

Returns are not possible.

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Shipping   : Deutschland 20 euro

                 : Eu 49 euro

                 : World 135 euro