Between the weight of the SK 100 G3 and weight "ideal" of a bodypack transmitter (0 g), there is only a difference of 158 g ... and Sennheiser has made a very effective use. Among other features, the SK 100 G3 has an easy to read graphical display and intuitive menu. In addition, the audio frequency response has been extended from 25 to 18,000 Hz, resulting in better sound realism.