Check the listing for details. 70V Speaker Commercial Audio Transformer 100W Max (100W, 80W, 60W, 40W and 20W). Color: Black, Condition: New. Listed at 49.99 USD. Eliminates power loss between amplifiers and speakersAllows longer speaker runs on large indoor installationsIncludes 100V primary amplifier input and 8 and 4-ohms secondary speaker outputEasily connects between the speaker and amplifierIncludes 100W, 80W, 60W, 40W and 20W tapsWorks with audio and PA amplifiersIncludes self-adhesive padOur OSD Black 100W70T line matching indoor audio transformer allows you to convert OSD Audio, 8-ohm speakers, into high-power 70V line speakers. With taps at 20, 40, 60, 80, and 100 Watts, integrators can deliver high wattage to 8-ohm speakers up to 2000 feet away using 14 AWG speaker wire with minimum loss. This is an ideal solution for commercial jobs where distance is an issue, and there is a wide array of 8-ohm speakers. Offering a full range frequency response at 20Hz to 20kHz (plus-minus 1dB) with no insertion loss or effect on sound quality, the BK-10070T’s taps allow different power levels and volumes for each speaker. The more power you have, set the taps higher. The less power you have, set your taps lower for a truly customized distributed audio system that won’t overload the amp. Six-inch cable leads give you plenty of room to work around, and the BK-100W70T includes a self-adhesive pad for quick and easy installation. Specifications:Primary Voltage: 70VPower Rating: 100WPrimary Taps: 100, 80, 60, 40, 20WSecondary Impedance: 8, 4 ohmsInsertion Loss: 1dBFreq Response: 20Hz - 20kHz ± 1 dBMounting Dim: 3.94"W x 2.76"0 x 2.76"H