AKG PW45PTLA PERCEPTION WIRELESS PRESENTER SET The sound of your voice perfectly reproduced by the Perception Wireless Presenter Set. The inconspicuous CK 99 lavalier microphone clips on quickly and easily, and provides optimum intelligibility for theater performances, presentations, or talk shows. Requiring little attention, it allows you to focus 100% on your presentation. The package contains an SR 45 receiver, PT 45 bodypack transmitter, universal power supply, CK 99 L lavalier microphone, and one AA size dry battery . Features : 8 selectable channels 8 hours of operation with a single aa size battery Speech optimized CK 99 lavalier microphone Compatible with all AKG MicroMics Low battery indicator Smallest and lightest bodypack transmitter in its class Receiver Specifications : Carrier frequency range : 530 - 559 MHz Audio bandwidth : 40 - 20,000 Hz THD : typ. 0,8 % (at 1 kHz) Signal/noise ratio : typ. 105 dB(A) Modulation : FM Audio outputs : Balanced XLR and unbalanced 1/4" (6.3 mm) jack: adjustable from mic to line level. Output level at rated deviation: 500 mV rms Squelch threshold : -100 to -70 dBm adjustable Dimensions : Width: 200 mm; height: 44 mm; depth: 150 mm Net weight : 360 g Body-Pack Transmitter Specifications : Carrier frequency range : 530 - 559 MHz Audio bandwidth : 40 - 20,000 Hz THD : typ. 0,8 % (at 1 kHz) Signal/noise ratio : typ. 105 dB(A) Modulation : FM RF radiation : 10 mW Power supply : 1x 1.5 V AA size battery Battery life : 10 hours typ. Dimensions : width: 60 mm; height: 74 mm; depth: 30 mm Net weight : 60 g CK99L Lapel Microphone Specifications : Polar pattern : cardioid Frequency range : 15 to 18,000 Hz Sensitivity : 8.8 mV/Pa (-41 dBV) Max. SPL : 118 dB (k=1 %) Equivalent noise level : 34 dB-A Signal/noise ratio (A-weighted) : 60 dB Impedance : 200 ohms Recommended load impedance : >2000 ohms Connector : 3-pin mini XLR Cable : 1.6 m Finish : matte black Net weight : 2.5 g