The holy grail among equalizers. Both devices are technically functional, optically, see photo. Worldwide shipping, please inquire about shipping costs to your country. The worlds most successful analog equalizer ever produced.Reduces the volume difference between different sources to zero, It does not cause loss of even the smallest detail, it has a mono-mono structure, It is the only equalizer. accepted in HI-END systems in the past and present, He is on the ultra wanted list around the world. It played in the company from the last photo. Other alimony technics are not included in this auction. Here I only sell a pair of sh9090. Additional insurance is added to shipping costs.