4-watt 70.7-volt speaker transformer (4-, 2-, 1- and 0.5-watt taps), 0.5-dB insertion loss The Electro-Voice 15704 is a 4-watt speaker transformer for a 70.7- Volt line, offering 0.5-, 1-, 2- and 4-watt taps, with a low 0.5dB insertion loss.

4-watt 70.7-volt speaker transformer (4-, 2-, 1- and 0.5-watt taps), 0.5-dB insertion loss The Electro-Voice 15704 is a 4-watt speaker transformer for a 70.7- Volt line, offering 0.5-, 1-, 2- and 4-watt taps, with a low 0.5dB insertion loss.