Recently used, sounds AMAZING, works, and is still stereo matched for mastering work, recording, etc.. Extra controls not found on the standard'Mastering Compressor'. Selectable sidechain frequencies - 90/150/250/Bandpass.Comes with Power Supply, Grey Power Cable and Regular Power Cable. The item "Shadow Hills Optograph Mastering Compressor Stereo Opto with Power Supply RARE" is in sale since Thursday, July 14, 2016. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Signal Processors/Rack Effects". The seller is "streetlegalguitars" and is located in Austin, Texas. This item can be shipped to United States, to United Kingdom, DK, RO, SK, BG, CZ, FI, HU, LV, LT, MT, EE, to Australia, GR, PT, CY, SI, to Japan, SE, KR, ID, TH, to Belgium, to France, to Hong Kong, to Ireland, to Netherlands, PL, to Spain, to Italy, to Germany, to Austria, IL, to Mexico, to New Zealand, SG, to Switzerland, NO, SA, UA, AE, QA, BH, HR, MY, BB, BD, BM, BN, BO, EC, EG, GF, GG, GI, GP, IS, JE, JO, KH, KY, LI, LK, LU, MC, MO, MQ, MV, NI, OM, PE, PK, PY, RE.