audio technica / ATW-1423, 2-Channel Combo System

A System 20 PRO set consisting of a receiver, a handheld transmitter, and a bodypack transmitter. Ideal for presentations, speeches, and conferences, this setup allows simultaneous use of a handheld microphone together with a lavalier or headset microphone.

System 20 PRO – Multi-Channel Wireless System
Key Features

Multi-Channel Operation
Supports up to 20 simultaneous channels in the 2.4 GHz band.

By connecting five receivers, up to 20 channels can be used in HD mode.

Up to 10 channels can be used in Standard mode.

Four Types of Transmitters
Handheld, bodypack, boundary, and desk stand transmitters available.

Compact Receiver
Provides 4-channel output in a 1U half-rack size.

Network-Compatible

Multi-Pairing Support
Up to four transmitters can be pre-registered per receiver channel. Transmitters automatically connect when powered on/off, eliminating the need for repeated pairing and enabling smooth handovers.

Rechargeable with 2-channel chargers (ATW-CHG3a/A, ATW-CHG3Na/A).

Reduced Handling Noise on handheld microphones.

Long Battery Life – up to approx. 18 hours of operation.

Secure Encryption – AES128 for high confidentiality.

Detachable Receiver Units (ATW-RU14) for versatile applications.

Wireless Manager Software for total system management.
More info: Wireless Manager – Audio-Technica

System Specifications

Operating Frequency Range: 2,402 – 2,480 MHz

Dynamic Range: 120 dB (A-weighted, typical)

THD (Total Harmonic Distortion): <0.05%, typical

Operating Range: 60 m (open environment, free from interference)

Frequency Response: 220 – 20,000 Hz (varies with microphone used)

Latency:

Standard: 2.8 ms

HD Mode: 6.7 ms

Audio Sampling Rate:

Standard: 24-bit / 48 kHz

HD Mode: 24-bit / 48 kHz

Encryption: AES128

Maximum Simultaneous Channels:

Standard: 10 channels (depending on region/environment)

HD Mode: 20 channels

Receiver Chassis: ATW-RC14

External Connection Port: RJ45

Network Port: RJ45 (Fast Ethernet)

Link In/Out Ports: RJ12

Output Levels:

Line Max: +22 dBu (+20 dBV)

Line Unity: -20 dBu (-22 dBV)

Mic Max: -12 dBu (-10 dBV)

Mic Unity: -50 dBu (-52 dBV)

Power Consumption: 3.7 W

Power Supply: DC 12 V 0.5 A (AC adapter)

Operating Temperature: 0 – +40°C

Dimensions: H42.5 × W209.8 × D165.6 mm

Weight: 740 g

Accessories: AC adapter, adapter blades, short and long rackmount adapters, 5 fixing screws, 30 cm link cable, 4 rubber feet

Receiver Unit: ATW-RU14

Modulation Method: GFSK

Reception Sensitivity: –90 dBm, typical

Antenna: 1/2 λ dipole antenna, diversity

External Connection Port: RJ45

Power Supply: DC 12 V (from RC14)

Operating Temperature: 0 – +40°C

Dimensions: H18.7 × W86.0 × D70.2 mm

Weight: 77 g

Accessories: Holder, holder cover, 2 wood screws, 4 antennas

Bodypack Transmitter: ATW-T1401

Modulation Method: GFSK

Reception Sensitivity: –90 dBm, typical

Antenna: Diversity

Input Connector: 4-pin locking connector

Pin 1: GND

Pin 2: INST INPUT

Pin 3: MIC INPUT

Pin 4: DC BIAS +10 V

Power Supply: DC 3 V (two AA batteries)

Operating Temperature: 5 – +40°C

Battery Life (approx.):

Alkaline AA: 15 hrs

Ni-MH AA: 14.5 hrs

Lithium AA: 29 hrs

Dimensions: H107.4 × W63.7 × D22.7 mm

Weight: 80 g (without batteries)

Handheld Transmitter: ATW-T1402

Modulation Method: GFSK

Reception Sensitivity: –90 dBm, typical

Antenna: Diversity

Microphone Type: Dynamic

Polar Pattern: Hypercardioid

Power Supply: DC 3 V (two AA batteries)

Operating Temperature: 5 – +40°C

Battery Life (approx.):

Alkaline AA: 18 hrs

Ni-MH AA: 16.5 hrs

Lithium AA: 35 hrs

Dimensions: 265.0 × φ53.7 mm

Weight: 300 g (without batteries)

Accessories: AT8456a microphone holder ×2, thread adapter (3/8–5/8) ×2