The Perception Wireless Instrumental Set comprises an SR 45 receiver and PT 45 bodypack transmitter, the smallest and lightest transmitter in its class. It can be used with many AKG miniature microphones, and the battery compartment cover doubles as a convenient tool for setting input gain for the application at hand. 

The system comes complete with a universal power supply with US/UK/EU adapter, MKG L cable with ¼" jack plug and mini XLR connector, and one AA size dry battery. 

In combination with the C 519 ML (sold separately) also suitable for wind instruments. 

SR 45 Stationary Receiver 
The SR 45 Stationary Receiver delivers a diversity system, professional XLR and Jack outputs, and the SMPS solution. The audio level and squelch threshold are adjustable on the receiver. It is a stationary receiver for use with all transmitters of the Perception wireless system. 

The SR 45 operates within a switching bandwidth of up to 30 MHz in the 500 to 560 MHz UHF carrier frequency range and offers up to 8 selectable carrier frequencies. 

PT 45 bodypack transmitter 
The PT 45 bodypack transmitter lets you use both dynamic microphones and condenser microphones operating on a supply voltage of approx. 4 V. Naturally you may also connect an electric guitar, electric bass or keytar. 

The PT 45 operates within a switching bandwidth of up to 30 MHz in the 500 to 560 MHz UHF carrier frequency range and offers up to 8 selectable carrier frequencies. 

Consumer Alert (for US users) 
Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: The system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device.