Check the listing for details. ART T8 Eight Channel Hum Eliminator. Condition: New. Listed at 179.99 USD. ART T8 Eight Channel Hum Eliminator Description The T8 (Transformer Eight) a high quality totally passive audio interface that uses 8 transformers to separate input and output signal grounds, thereby isolating two systems and reducing hum and ground-loop noise. The T8s audio transformers have flat and wide frequency response and handle high signal levels while maintaining an isolated balanced output. This gives the T8 a very clean and neutral sound with a wide variety of signal sources. The transformers are wound for 1:1 unity gain and are designed to be used with impedances from 600 ohms to 100k ohms.Connection versatility sets the T8 apart from other isolation boxes. The T8 provides balanced XLR, 1/4" phone, and RCA type phono connections on all inputs and outputs simultaneously. The T8 fits easily into virtually any audio system and is a clean patch point between all types of systems.The T8s mounting ears are reversible so you can have either the XLRs on the front or The 1/4" and RCA phono jacks on the front. This maximizes flexibility in cabling your system. Whether you need an interface between a computer based audio workstation and your monitor system, isolation on long cable runs in a fixed installation, isolation of multiple signal sources from your recording equipment, or in many cases, just a safer connection between two audio systems, the T8 can accommodate.Its full feature set, rugged construction, and high-end specifications make the T8 the obvious choice for Live Sound, Permanent/Fixed Install, D.J., and virtually any PA application. Features High-Quality Passive Audio Interface8 High-Performance TransformersXLR, 1/4" and RCA Connections on all Inputs/OutputsReversible Rack Mount EarsSeparate Input and Output Grounds to Reduce HumCan be used for Signal Taps or Signal SplittingUse as a Safer Connection Between Two Audio Systems like a Computer Workstation or Monitor SystemNumber of Inputs: 8UPC: 840402016458Color: BlackType: Hum Eliminators1/8" Input: No1/4" Input: Yes1/4" Output: YesXLR Input: YesDimensions*Height: 1.75"Width: 19"Depth: 3.75"Frequency Response: 10Hz -50kHz, +/-.5dB @ +4dBu Attributes Type (X): Hum Eliminators1/4" Input (X): YesNumber of Inputs (X): 81/8" Input (X): No1/4" Output (X): YesColor (X): BlackXLR Outputs (X): YesXLR Input (X): Yes