Audio Technica ATW-901a/L | System 9 VHF Wireless System with Omnidirectional Lavalier Microphone

Audio Technica ATW-901a/L System 9 VHF Wireless System with Omnidirectional Lavalier Microphone

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).

Key Features

• ATW-R900 receiver and ATW-T901 UniPak transmitter with omnidirectional lavalier microphone
• Easy operation and clear, natural sound quality
• 4 selectable frequency-coordinated VHF channels
• Reliable performance and durable construction
• Advanced dipole antenna system for extended operating range

Technical 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
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
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
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