Wireless system with headband microphone for speech and singing. Set includes a bodypack transmitter, receiver, and headband microphone. 30 hours of operation with just one AA battery. Compact and lightweight bodypack transmitter, comfortable headband microphone. Symmetrical 6.3 mm jack output on the receiver. ISM1 frequency. The WMS40 Mini Sport Set is versatile and easy to use. It consists of the SR40 Mini receiver, PT40 Mini bodypack transmitter, and CKBT headband microphone. Other AKG microphones can also be easily connected to the bodypack transmitter. Simple operation. Using the WMS40 Mini Sport Set requires no prior knowledge of wireless technology - just unpack, turn on, and get started. The wireless system operates in the ISM frequency band and will remain registration and fee-free in the future. Receiver SR40 Mini. The SR40 Mini receiver has a robust metal housing and is very compact. The front features control LEDs for Power On/Off, wireless reception, and audio peak. The volume control allows you to adjust the level of the 6.3 mm jack output. HDAP technology (High Definition Audio Performance) ensures high sound quality and secure transmission of the audio signal. Bodypack transmitter PT40 Mini. The PT40 Mini bodypack transmitter is particularly small and lightweight. With just one AA battery, the system is operational for up to 30 hours. The input sensitivity for the connected microphone or instrument can be adjusted continuously directly on the bodypack transmitter. Headband microphone CKBT. The CKBT headband microphone is lightweight and discreet. Its excellent ergonomics allow for long wear, whether during presentations or sports. The voice is transmitted with high intelligibility, making it stand out even in noisy environments.