Audio-Technica ATW-902 System 9 VHF Wireless Handheld Microphone 169.505 to 171.905 MHz

Audio-Technica's System 9 is a four-channel frequency-agile wireless system designed to provide rock-solid performance along with easy setup and clear, natural sound quality. Featuring sleek, stackable, contemporary styling, System 9 is available in handheld, headworn, guitar, lavalier and body-pack configurations. The system offers four compatible user-switchable VHF channels (169.505, 170.245, 171.045, and 171.905 MHz).

Each System 9 configuration includes the ATW-R900 receiver and either a body-pack transmitter or handheld microphone/transmitter. The ATW-R900 is a non-diversity, single-channel receiver with advanced dipole antenna design for extended operating range, which improves operation by providing a ground element in addition to the usual signal element. The ATW-R900 also offers volume control along with AF Peak, RF and Power indicator lights.

Consumer Alert:

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. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCCs wireless microphone website at: www.fcc.gov/cgb/wirelessmicrophones.

OVERALL SYSTEM SPECIFICATIONS

• Operating Frequencies VHF highband, 169 MHz to 172 MHz
• Modulation Mode FM
• Maximum Deviation +/-10 kHz
• Dynamic Range >/=90 dB (A-weighted), typical
• Total Harmonic Distortion <1% (at 1 kHz, +/-10 kHz deviation)
• Operating Range 200' (60 m) typical
• Open range environment with no interfering signals
• Operating Temperature Range 40 F (4 C) to 110 F (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
• RF Sensitivity 20 dBuV at 60 dB S/N ratio (50 ohms termination)
• Audio Output Nominal Output Level
• XLR, balanced: 350 mV (1 kHz modulation, 10 kHz deviation, 100k ohm load)
• 1/4" (6.3 mm), unbalanced: 700 mV (1 kHz modulation, 10 kHz deviation, 100k ohm load)
• Power Supply 100-240V AC (50/60 Hz) to 12V DC .5A (center positive) switched mode external power supply
• Dimensions 7.48" (190.0 mm) W x 1.82" (46.2 mm) H x 5.06" (128.5 mm) D
• Net Weight 12.0 oz (337 grams)
• Accessory Included Power supply

BODY-PACK TRANSMITTER SPECIFICATIONS

• RF Power Output 10 mW
• Spurious Emissions Following federal and national regulations
• Input Connections Four-pin Locking Connector
• Pin 1: GND
• Pin 2: INST INPUT
• Pin 3: MIC INPUT
• Pin 4: DC BIAS +9V
• Batteries Two 1.5V AA
• not included
• Battery Life 8 hours (alkaline)
• Depending on battery type and use pattern
• Dimensions 2.76" (70.2 mm) W x 4.08" (103.7 mm) H x 0.98" (24.9 mm) D
• Net Weight 2.8 oz (80.0 grams)
• without batteries
• HANDHELD TRANSMITTER SPECIFICATIONS
• RF Power Output 10 mW
• Spurious Emissions Following federal and national regulations
• Batteries Two 1.5V AA
• not included
• Battery Life 8 hours (alkaline)
• Depending on battery type and use pattern
• Dimensions 9.91" (251.8 mm) long,
• 2.11" (53.5 mm) diameter
• Net Weight 9.2 oz (260 grams)
• without batteries
• Accessory Included AT8456a Quiet-Flex stand clamp

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