Audio Technica System 20 PRO Dual Handheld & Lavalier Wireless Microphone System (ATW‑1423/L)

System 20 PRO Dual Handheld & Lavalier Wireless Microphone System (ATW‑1423/L)

• Digital 24‑bit / 48 kHz wireless audio for professional sound quality
• Reliable 2.4 GHz operation free from TV and frequency interference
• Includes handheld and body‑pack transmitters for maximum flexibility
• Scalable system with multi‑chassis linking and secure AES128 encryption
• Plug‑and‑play setup with centralized software management

The System 20 PRO ATW‑1423/L is a versatile dual wireless microphone solution combining the convenience of a handheld microphone with the flexibility of a lavalier system. Designed for dependable performance in professional environments, it delivers clear, interference‑free audio without the need for frequency coordination.

Operating in the globally available 2.4 GHz range, the system includes an ATW‑R1440 four‑channel receiver, one ATW‑T1402 handheld transmitter, one ATW‑T1401 body‑pack transmitter, and an MT830cW lavalier microphone—making it ideal for presenters, educators, and performers who need both handheld and wearable mic options.

Wireless Performance & Audio Quality

• 24‑bit / 48 kHz digital wireless operation
• Dynamic range: 120 dB (A‑weighted)
• System frequency response: 20 Hz – 20 kHz
• Total harmonic distortion: < 0.05%

Flexible Operating Modes

Users can select between two operating modes to balance latency and channel capacity based on application needs.

• Standard Mode: Up to 10 simultaneous channels with 2.8 ms latency
• HD Mode: Up to 20 simultaneous channels with 6.7 ms latency

Receiver & System Expansion

The ATW‑R1440 receiver can be docked in the chassis or mounted remotely up to 328 ft (100 m) away via Ethernet cable. Up to five chassis can be linked and operated simultaneously, supporting large‑scale wireless deployments.

• Each receiver channel can be paired with up to four transmitters
• Instant switching between different transmitter configurations
• Supports mixed output for installations with limited input channels

Transmitters & Microphone Options

• ATW‑T1402 handheld transmitter for handheld applications
• ATW‑T1401 body‑pack transmitter with cW‑style locking 4‑pin connector
• Includes MT830cW lavalier microphone
• Water‑ and sweat‑resistant connectors for secure mic attachment

System Management & Security

• OLED displays on transmitters and receiver for clear status monitoring
• Auto‑lock function prevents unintended operation
• Compatible with Audio‑Technica Wireless Manager software
• AES128 encryption for secure wireless transmission
• Syslog protocol support for network monitoring

Power & Charging

• Rechargeable NiMH battery support
• Charging terminals compatible with ATW‑CHG3 / ATW‑CHG3a and ATW‑CHG3N / ATW‑CHG3Na docks

Ideal Applications

• Corporate presentations and conferencing
• Education and lecture halls
• Houses of worship
• Professional AV installations and live events