Wireless Headworn Microphone

Model# AI-PRO 127H

Professional performance for business presentations, public speaking and theater events. PRO-R1 Receiver and ATW T27 UniPak transmitter with PRO8HECW microphone.
Details
<1>Professional systems deliver "wired" sound with the freedom of wireless <>Easy to set-up and easy to use <>Advanced antenna system extends operating range <>Adjustable squelch control on receiver helps eliminate interference <>Dual-power battery-save switches on transmitters <>UniPak™ transmitter features detachable microphones/guitar cable with professional locking connector <>Handheld transmitter features Hi-ENERGY® dynamic microphone element for excellent articulation <>Durable carrying case included with each system provides protection, convenience and portability <1>Professional systems deliver "wired" sound with the freedom of wireless<>Easy to set-up and easy to use<>Advanced antenna system extends operating range<>Adjustable squelch control on receiver helps eliminate interference<>Dual-power battery-save switches on transmitters<>UniPak™ transmitter features detachable microphones/guitar cable with professional locking connector<>Handheld transmitter features Hi-ENERGY® dynamic microphone element for excellent articulation<>Durable carrying case included with each system provides protection, convenience and portability

Overall System
	Operating Frequencies	VHF band, 169.505, 170.245, 171.905 MHz
	Frequency Stability	±0.005%
	Modulation Mode	FM
	Maximum Deviation	±15 kHz
	Operating Range	200' minimum
	Operating Temperature Range	40° F (4° C) to 110° F (43° C)
	Frequency Response	80 Hz to 13 kHz
ATW-R200 Receiver
	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 (at 1 kHz, ±10 kHz deviation, 100 k ohm load)
	Output Connector	1/4" phone jack
	Power Supply	120V AC 60 Hz, 6 VA; or 12V DC, 200 mA, center positive, with external DC supply
	Dimensions	8.27" (210.0 mm) W x 1.72" (43.5 mm) H x 4.73" (120.0 mm) D
	Net Weight	18.9 oz (536 grams); without AC adapter, 11.9 oz (336 grams)
	Accessories Included	AD1202A 120V docking AC adapter; 120V AC IEC cordset
ATW-T201 UniPak™ Transmitter
	RF Power Output	10 mW (High) and 2 mW (Low) typical
	Spurious Emissions	Under federal regulations
	Dynamic Range	>=90 dB, A-weighted
	Input Connections	High impedance, low impedance, bias
	Battery (not included)	9V (NEDA type 1604) alkaline
	Current Consumption	30 mA typical
	Battery Life	Approximately 15 hours (High) and 20 hours (Low)
	Dimensions	2.56" (65.0 mm) W x 4.33" (110.0 mm) H x 1.00" (25.4 mm) D
	Net Weight (without battery)	2.8 oz (78 grams)

PRO 8HECW Specifications
Element			Impedance
	Neodymium Dynamic			600 ohms
Polar Pattern			Weight
	Hypercardioid			2.1 oz (60 g)
Frequency Response			Output Connector
	200 - 18,000 Hz			XLRM-type on cable
Open Circuit Sensitivity
	-55 dB (1.7 mV) re 1V at 1 Pa