The unit is is mint state, fully tested and working. The original multilingual user's manual is also included The High Com noise reduction system was developed by Telefunken, Germany, in the 1970s as a high quality high compression analogue compander for audio recordings. The High Com system, which was marketed by Telefunken since 1978, worked as a broadband 2:1:2 compander, achieving almost 15 dB of noise reduction for low and up to 20 dB RMS A-weighted for higher frequencies, while avoiding most of the acoustic problems observed with other high compression broadband companders such as EMT/NoiseBX, Burwen or DBX. Shipping with Belgian Bpost, total weigth with sturdy padded box is approx. 7 Kg.