Audio Technica ATW-902A, System 9 wireless system

Descriptions Audio Technica ATW-902A, System 9 wireless system Audio Technica ATW-902A is a System 9 VHF Wireless Handheld Microphone System is designed for live sound reinforcement applications. Audio Technica ATW-902A system consists of a wireless VHF receiver and a wireless VHF handheld microphone transmitter. Audio Technica ATW-902A receiver utilizes two dipole antennas for extended range, and allows you to select your VHF transmission frequency from 169 to 172 MHz. Audio Technica ATW-902A receiver comes with LED indicator lights for channe, RF and AF peak. Also, the back of the Audio Technica ATW-902A comes with volume control knob, a squelch control knob, a balanced XLR audio output, and an unbalanced 1/4" audio output. The Audio Technica ATW-902A receiver also includes a power cord hook to prevent accidental pull-out of the DC power supply. Audio Technica ATW-902A Product Features 169 to 172 MHz, 4 Selectable Channels Dipole Antenna for Extended Range Channel, RF, and AF Peak Indicator LEDs Balanced XLR and Unbalanced 1/4" Outputs Specifications Overall System Type  VHF High Band Operating Frequencies  169 to 172 MHz Modulation Mode  FM Maximum Deviation  ±10 kHz Dynamic Range  ≥90 dB (A-weighted), typical Total Harmonic Distortion (THD)  <1% (at 1 kHz, ±10 kHz deviation) Operating Range  200' (61.0 m), open range environment with no   interfering signals Operating Temperature Range  40 to 110°F (4 to 43°C), battery performance may be   reduced at very low temperatures Frequency Response  80 Hz to 13 kHz Receiver Specifications Receiving System  Non-diversity, single-channel, dual-antenna system Image Rejection  50 dB minimum Audio Output  Nominal Output Level Balanced XLR: 350 mV (1 kHz modulation, 10 kHz deviation,   100-kOhm load) Unbalanced 1/4" (6.3 mm): 700 mV (1 kHz modulation, 10   kHz  deviation, 100-kOhm load) Power Supply  100 to 240 VAC (50/60 Hz) to 12 VDC at 0.5A (center positive)   switched mode external power supply Dimensions (W x H x D)  7.5 x 1.8 x 5.1" / 190 x 46.2 x 129 mm Weight  12.0 oz / 337 g Handheld Transmitter RF Power Output  10 mW Spurious Emission  Following federal and national regulations Batteries  2 x 1.5 V AA (not included) Battery Life  8 hours (alkaline), depending on battery type and use   pattern Dimensions (L x Diam)  9.9 x 2.1" / 251.8 x 53.5 mm Weight  9.2 oz / 260 g (without batteries)