This is the exact same design as the 160 except for the fact that it has unbalanced TRS I/O. The item "Vintage DBX 161 Pair Compressor Limiter (Unbalanced DBX 160)" is in sale since Tuesday, May 26, 2020. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Signal Processors/Rack Effects". The seller is "40hz-20khz" and is located in Miami, Florida. This item can be shipped worldwide.