The Perception Wireless high performance Presenter Set delivers brilliant sound and is surprisingly easy to use. The included CK99 lavalier microphone clips on quickly and easily, and provides optimum intelligibility for theater performances, presentations or talk shows. The SR45 receiver provides professional XLR and 1/4" jack outputs.

AKG Perception Wireless Presenter Set - Frequency B2 / 774 - 779 MHz ? includes:
1 x PT45 Wireless Body-Pack Transmitter
1 x SR45 High-performance Wireless Stationary Receiver
1 x CK99 L Condenser Lavalier Microphone
1 x AA Battery
1 x W 444 Windshield
1 x SMPS Switched Mode Power Supply

PT45 Wireless Body-Pack Transmitter:
Modulation: FM
Audio bandwidth: 40 - 20, 000Hz
T.H.D. at 1kHz: typ. 0.8%
Signal/noise ratio: typ. 105 dB(A)
RF output: 10mW
Power requirement: 1x 1.5V AA-size battery
Battery life: 10 hours
Dimensions: 2.36" x 2.91" x 1.18", (60 x 74 x 30mm)
Net weight: 2.11oz., (60g)

SR45 High-performance Wireless Stationary Receiver:
Modulation: FM
Audio bandwidth: 40 - 20, 000Hz
T.H.D. at 1kHz: typ. 0.8%
Signal/noise ratio: typ. 105dB(A)
Squelch threshold: 100 to -70dBm adjustable
Audio outputs: Balanced XLR and unbalanced 1/4" (6.3mm) jack: adjustable from mic to line level. Output level at rated deviation: 500mV RMS
Dimensions: 7.87" x 7.48" x 1.73", (200 x 190 x 44mm)
Net weight: 12.69oz., (360g)

CK99 L Condenser Lavalier Microphone:
Polar pattern: cardioid
Frequency range: 15 to 18, 000Hz
Sensitivity: 8.8 mV/Pa (-41dBV)
Max. SPL:118 dB (k=1 %)
Equivalent noise level: 34dB-A
Signal/noise ratio (A-weighted): 60dB
Impedance: 200 ohms
Recommended load impedance: >2000 ohms
Supply voltage: 1.5 to 10VDC or 9 to 52V phantom power to IEC 61938 using MPA V L
Powering: <2 mA Connector3-pin mini XLR
Cable: 1.6m (5' 4")
Finish: matte black
Net weight: 2.5g (.08oz.)