System 20 PRO Dual Boundary Microphone Wireless System (ATW‑1426)

• Digital 24‑bit / 48 kHz wireless audio for professional sound quality
• Reliable 2.4 GHz operation free from TV and frequency interference
• Includes two boundary microphone transmitters and a 4‑channel receiver
• Scalable system with multi‑chassis linking and secure AES128 encryption
• Plug‑and‑play setup with centralized software management

The System 20 PRO ATW‑1426 is a dual boundary microphone wireless solution designed for conference tables, boardrooms, and meeting spaces where discreet, high‑quality audio pickup is required. Operating in the globally available 2.4 GHz range, the system eliminates frequency coordination while delivering consistent, interference‑free performance.

The system includes an ATW‑R1440 four‑channel receiver and two ATW‑T1406 boundary microphone transmitters, making it ideal for meetings, presentations, and collaborative environments that benefit from tabletop microphone placement without visible cabling.

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

The ATW‑1426 allows users to choose between two operating modes depending on system size and latency requirements.

• 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 directly into the chassis or mounted remotely up to 328 ft (100 m) away via Ethernet cable. Up to five receiver chassis can be linked and operated simultaneously, supporting larger multi‑room or multi‑table 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

System Management & Security

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

Boundary Microphone Transmitters

• Low‑profile boundary microphone design for tabletop use
• Optimized for speech intelligibility in meeting environments
• Ideal for conference tables, boardrooms, and collaboration spaces

Power & Charging

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

Ideal Applications

• Conference rooms and boardrooms
• Corporate meetings and presentations
• Education and training spaces
• Professional AV installations