Sennheiser NT2-3 power supply features UK mains connections and is designed for use with the Sennheiser EM100 G3, EM300 G3, EM500 G3 and SR300 G3 receivers. Sennheiser NT2-3 is supplied complete with a clip on 3-pin UK mains adapter. NT2-3 is also compatible with the older EM100/EM300/EM500/SR300 G2 receivers from Sennheiser.