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The Audio Technica 200 Series wireless microphone system is the successful result of years of design and manufacturing experience.

Each 200 Series professional VHF wireless system includes a receiver and either a body-pack transmitter or a handheld microphone/transmitter on a specific crystal-controlled frequency. ATW-251 UniPak™ body-pack transmitter systems include models pre-packaged with either an AT-GCW guitar cable (/G), a PRO 8HEcW headworn microphone (/H), or a lavalier mic (/L) for particular applications. All A-T Wireless Essentials® microphones and cables, available separately, are pre-terminated for use with any ATW-251 system.

The ATW-R250 receiver includes a space-saving switching power supply that automatically adapts to changes in mains voltage. Unlike bulky linear power supplies, this switching power supply is lightweight and compact; it uses only a single outlet space.

The versatile ATW-T201 UniPak body-pack transmitter has both a high-impedance input for instruments, and a low-impedance input with bias connection for use with dynamic and electret condenser microphones. The ATW-T202 handheld transmitter features a unidirectional dynamic microphone element.

Both the body-pack and handheld transmitters use internal 9-volt batteries and have Off/Standby/On switches, input Trim (level) adjustments and battery-save switches.

200 SERIES BROCHURE

200 SERIES INSTALLATION GUIDE

GUITAR SYSTEM	ATW-R250 receiver and ATW-T201 UniPak transmitter with AT-GcW guitar/instrument input cable.	VIEW
HEADWORN MIC SYSTEM	ATW-R250 receiver and ATW-T201 UniPak transmitter with PRO 8HEcW headworn microphone.	VIEW
ULTRA-LIGHT HEADWORN MIC	ATW-R250 receiver and ATW-T201 UniPak transmitter with PRO 92cW (black) or PRO 92cW-TH (beige) ultra-light headworn microphone.	VIEW
LAVALIERE MIC SYSTEM	ATW-R250 receiver and ATW-T201 UniPak transmitter with omni-directional lapel microphone.	VIEW
HANDHELD MIC SYSTEM	ATW-R250 receiver and ATW-T202 handheld dynamic unidirectional microphone/transmitter. Includes AT8456a Quiet Flex stand clamp.	VIEW

OVERALL SYSTEM SPECIFICATIONS
Operating Frequency	VHF high band, 169 MHz to 172 MHz
Number of Channels	Fixed channel
Frequency Stability	±0.005%
Modulation Mode	FM
Maximum Deviation	±15 kHz
Operating Range	200' typical
Operating Temperature Range	40° F (4° C) to 110° F (43° C)
Frequency Response	80 Hz to 13 kHz

RECEIVER SPECIFICATIONS
Receiving System	Non-diversity, single-channel, dual antenna system
Image Rejection	50 dB minimum
Signal-to-noise Ratio	80 dB at 10 kHz deviation (IEC-weighted), maximum modulation 15 kHz
Total Harmonic Distortion	<=1% (10 kHz deviation at 1 kHz)
Sensitivity	20 dBµV for 60 dB S/N (IEC-weighted)
Audio Output	350 mV (1 kHz modulation, 10 kHz deviation, 100 k ohm load)
Output Connector	1/4" TS ("mono") phone jack
Power Supply	100-240V AC (50/60 Hz) to 12V DC 1A (center positive) switched mode external power supply
Dimensions	7.48" (190.0 mm) W x 1.65" (42.0 mm) H x 5.12" (130.0 mm) D
Net Weight	11.0 oz (311 g)
Accessory Included	Power supply

BODY-PACK TRANSMITTER SPECIFICATIONS
RF Power Output	10 mW High position, 2 mW Low position, typical
Spurious Emissions	Under federal regulations
Dynamic Range	>=90 dB, A-weighted
Input Connections	High impedance, low impedance, bias
Battery	9V (NEDA type 1604) alkaline, not included
Current Consumption	30 mA typical
Battery Life	Approximately 15 hours in High position; Approximately 20 hours in Low position (depending on battery type and use pattern)
Dimensions	2.56" (65.0 mm) W x 4.33" (110.0 mm) H x 1.00" (25.4 mm) D
Net Weight	2.8 oz (78 g) (without battery)

HANDHELD TRANSMITTER SPECIFICATIONS
RF Power Output	10 mW High position, 2 mW Low position, typical
Spurious Emissions	Under federal regulations
Dynamic Range	>=90 dB, A-weighted
Microphone Element	Dynamic unidirectional
Battery	9V (NEDA type 1604) alkaline, not included
Current Consumption	30 mA typical
Battery Life	Approximately 15 hours in High position; Approximately 20 hours in Low position (depending on battery type and use pattern)
Dimensions	9.50" (241.3 mm) long, 2.10" (53.3 mm) maximum diameter
Net Weight	12.7 oz (360 g) (without battery)
Accessory Included	AT8456a Quiet-Flex™ stand clamp