The AKG WMS 40 Mini Vocal Set is a UHF wireless handheld microphone system that is small portable, easy to set up and straightforward to operate. The WMS 40 Mini Vocal Set features the SR 40 mini receiver and HT 40 handheld transmitter. The handheld transmitter features a dynamic capsule with a cardioid polar pattern enclosed in a wire-mesh cap. The transmitter operates for 30 hours on just a single AA battery. The HT 40 transmitter also features an On/Off and Mute switch.

The SR 40 receiver features a miniature design and a 1/4" audio output. There are 3 LEDs indicating On/Off and RF status. Operation is fairly straightforward, simply connect the SR 40 to a PA amplifier input, power the HT 40 transmitter and SR 40 receiver and you're ready for wireless speech, performances and more.