The series claims to offer complete sets with sturdy units, simple operation and high quality sound and is comprised of two vocal sets, an instrument system and presentation sets with clip-on microphone or a headmic.

The transmitters have a battery life of up to 10 hours, while a switching bandwidth of up to 24 MHz allows for flexibility in the choice of frequencies.

Martin Fischer, product manager for Sennheiser's wireless systems said: "With the XS Wireless Series, Sennheiser offers reliability ...