Description

The Audio-Technica ATW-901A/L is a VHF wireless lavalier microphone system that is part of Audio-Technica’s System 9. It is designed for reliable performance and clear audio quality in a variety of professional applications, including presentations, public speaking, and theater. Here are the full details:

System Specifications:

• Model: ATW-901A/L
• Type: VHF wireless lavalier microphone system

Lavalier Microphone (MT830cW):

• Element: Condenser
• Polar Pattern: Omnidirectional
• Frequency Response: 30 Hz to 20 kHz
• Open Circuit Sensitivity: -54 dB (2.0 mV) re 1V at 1 Pa
• Impedance: 250 ohms
• Cable: 1.4 m (55″) terminated with a 4-pin locking connector for use with ATW-T901A transmitter
• Weight: 12 g (0.4 oz) (without cable)

Body-Pack Transmitter (ATW-T901A):

• RF Power Output: 10 mW
• Spurious Emissions: According to relevant regulations
• Modulation Type: FM
• Maximum Deviation: ±15 kHz
• Battery Type: Two 1.5V AA alkaline batteries (not included)
• Battery Life: Approximately 8 hours (depending on battery type and use pattern)
• Input Connector: 4-pin locking connector (Hirose-type)
• Dimensions:
  • Width: 70.2 mm (2.76″)
  • Height: 107.0 mm (4.21″)
  • Depth: 24.5 mm (0.96″)
• Weight: 80 g (2.8 oz) (without batteries)

Receiver (ATW-R900a):

• Receiving System: True diversity
• RF Sensitivity: 20 dBuV at 60 dB S/N ratio (50 ohms termination)
• Intermediate Frequency:
  • First: 58.65 MHz
  • Second: 10.7 MHz
• Audio Output Level:
  • Unbalanced: 350 mV (at 1 kHz, ±10 kHz deviation, 100k ohm load)
• Output Connector: 1/4″ (6.3 mm) TS phone jack
• Power Supply: 12V DC, 500 mA (center positive) (via included AC adapter)
• Dimensions:
  • Width: 190.0 mm (7.48″)
  • Height: 41.0 mm (1.61″)
  • Depth: 128.0 mm (5.04″)
• Weight: 280 g (9.9 oz)

Key Features:

• VHF Operation: Operates in the VHF frequency range, providing reliable wireless performance with minimal interference.
• True Diversity Reception: Utilizes two antennas to improve signal reception and reduce dropouts.
• Clear Audio Quality: The omnidirectional condenser lavalier microphone ensures clear, natural sound reproduction suitable for various vocal applications.
• User-Friendly Controls: Easy-to-use power, mute, and volume controls on the receiver and transmitter.
• LED Indicators: LED indicators on the receiver for power, RF signal, and audio signal, providing visual feedback of system status.
• Durable Construction: Built to withstand the rigors of professional use in live sound environments.
• Compact and Portable: The receiver’s compact size makes it easy to transport and set up in various venues.

Included Accessories:

• AC Adapter: 12V DC power supply for the receiver.
• 1/4″ (6.3 mm) Output Cable: For connecting the receiver to an audio input device.
• Lavalier Microphone: MT830cW lavalier microphone for hands-free operation.
• Lavalier Clip: For securing the microphone to clothing.
• Windscreen: For reducing wind noise and plosive sounds.

Applications:

• Presentations and Public Speaking: Ideal for corporate events, lectures, and public speaking engagements, providing clear and intelligible audio.
• Live Performances: Suitable for performers who need a reliable and high-quality wireless microphone system.
• Theater Productions: Provides consistent audio quality for actors and performers on stage.
• Houses of Worship: Delivers clear and reliable audio for worship services and events.
• Conference and Meeting Rooms: Ensures high-quality sound reinforcement for corporate events, lectures, and presentations.

The Audio-Technica ATW-901A/L VHF wireless lavalier microphone system is designed to deliver reliable wireless audio performance, making it a versatile and valuable tool for a wide range of professional applications. Its combination of clear audio quality, user-friendly features, and durable construction ensures consistent performance in various environments.