Soundsphere TX30 30-Watt Line Transformer with Multiple Power Taps For Use with 110B and Q-6 Compact Loudspeakers; Power Taps Are Provided for 100V, 70V, and 25V Systems For Use with 110B and Q-6 Compact Loudspeakers Power taps are provided for 100V, 70V, and 25V systems Connection to system wiring is via 10" color-coded flying leads