The Audio-Technica ATW-1423/L Combo Lavalier Wireless System is a System 20 Pro 2-channel combo package that includes an ATW-R1440 rack-mount receiver chassis, an ATW-RU14 receiver unit, four 2.4 GHz antennas, an AC adapter, rackmount hardware, an ATW-T1401 body-pack transmitter, an ATW-1402 handheld transmitter, and an MT830cW lavalier microphone.

The Audio-Technica ATW-1423/L Combo Lavalier Wireless System is a professional digital solution designed for high-quality audio transmission and reliable performance. Operating in the 2.4 GHz range, this system remains completely free from TV interference. It utilizes 24-bit/48 kHz digital wireless operation to ensure clear sound for diverse presentation and performance applications.
The ATW-1423/L offers flexible modes to suit different operational requirements. Users can switch between Standard mode, which provides 10 channels with minimized latency, and HD mode, which offers up to 20 channels to maximize the total channel count. For simplified setup, the system features plug-and-play operation.
The system includes an ATW-R1440 receiver chassis, an ATW-T1402 handheld transmitter, and an ATW-T1401 body-pack transmitter paired with an MT830cW lavalier microphone.
The ATW-1423/L provides comprehensive tools for system management and signal protection.
| Operating Frequencies | 2,402 to 2,480 MHz |
| Dynamic Range | 120 dB (A-weighted), typical |
| Total Harmonic Distortion | < 0.05%, typical |
| Maximum Simultaneous Use (recommended) | Standard: 10 channels; HD mode: 20 channels; It depends on the region and environment. |
| System Frequency Response | 20 to 20,000 Hz; Varies depending on the microphone to be installed. |
| Delay | Standard: 2.8ms; HD mode: 6.7ms |
| Audio Sampling Rate | Standard: 24-bit/48 kHz; HD mode: 24-bit/48 kHz |
| Encryption Method | AES128 |
| Receiver & Transmitter Specifications | ATW-R1440; ATW-RC14 |
| External Receiver Unit Port | RJ45 |
| NETWORK Port | RJ45: Fast Ethernet |
| LINK IN/OUT Port | RJ12 |
| Output Level | LINE max: +22 dBu (+20 dBV); LINE Unity: -20 Bu (-22 dBV); MIC max: -12 dBu (-10 dBV); MIC Unity: -50 dBu (-52 dBV) |
| Power Consumption | 3.7W |
| Power Supply | 12 V DC, 0.5 A (AC adapter) |
| Operating Temperature Range | 0ºC to +40ºC (32°F to 104°F) |
| Dimensions | 209.8 mm (8.3") × 165.6 mm (6.5") × 42.5 mm (1.7") (W × D × H) |
| Weight | 740 g (26 oz) |
| Included Accessories | AC adapter, AC adapter blade, short rack-mount adapter, long rackmount adapter, fixing screw × 5, link cable (30 cm [12"]), leg × 4 |
| Modulation Mode | GFSK |
| RF Output Power | 10mW EIRP |
| RF sensitivity | -90 dBm, typical |
| Antenna | 1/2 wave dipole antenna, true diversity |
| External Connection Port | RJ45 |
| Power Supply | 12 V DC (RC14) |
| Operating Temperature Range | 0ºC to +40ºC (32°F to 104°F) |
| Dimensions | 86.0 mm (3.4") × 70.2 mm (2.8") × 18.7 mm (0.74") (W × D × H) |
| Weight | 77 g (2.7 oz) |
| Included Accessory | Unit holder, holder cover, wood screws x 2, antenna x 4 |
| Modulation Mode | GFSK |
| RF Output Power | 10mW EIRP |
| RF Sensitivity | -90 dBm, typical |
| Antenna | True diversity |
| Input Connection | Four pin locking connector; Pin 1: GND; Pin 2: INST INPUT; Pin 3: MIC INPUT; Pin 4: DC BIAS +10 V |
| Battery | 3 V DC (two 1.5 V AA) |
| Battery Life | AA alkaline batteries: Approx. 15 hours; AA nickel-hydrogen batteries: Approx. 14 hours and 30 minutes; AA lithium batteries: Approx. 29 hours; This varies depending on usage conditions. |
| Operating Temperature | 5ºC to +40ºC |
| Dimensions | 63.7 mm (2.5") × 22.7 mm (0.89") × 107.4 mm (4.2") (W × D × H) |
| Weight | 80g (2.8 oz), without batteries |
| Modulation Mode | GFSK |
| RF Output Power | 10mW EIRP |
| RF Sensitivity | -90 dBm, typical |
| Antenna | True diversity |
| Microphone Type | Dynamic |
| Microphone Polar Pattern | Hypercardioid |
| Battery | 3 V DC (two 1.5 V AA) |
| Battery Life | Approx. 18 hours (alkaline); Approx. 16 hours 30 minutes (Ni-MH); Approx. 35 hours (lithium); This varies depending on usage conditions. |
| Operating Temperature Range | 5ºC to +40ºC (41°F to 104°F) |
| Dimensions | 265.0 mm (10") × 53.7 mm (2.1") |
| Weight | 300 g (11 oz), without batteries |
| Included Accessories | Mic holder AT8456a, converting thread adapter (3/8" - 5/8") |
| Modulation Mode | GFSK |
| RF Output Power | 10mW EIRP |
| RF Sensitivity | -90 dBm, typical |
| Antenna | True diversity |
| Maximum Input Sound Pressure Level | 139 dB SPL |
| Microphone Type | Condenser |
| Microphone Polar Pattern | Cardioid |
| Built-in Battery | 3.7V lithium-ion battery (5.5Wh, 1460mAh) |
| Battery Life | Approx. 12 hours; This varies depending on usage conditions. |
| Charging Time | Approx. 3 hours and 10 minutes; This varies depending on usage conditions. |
| USB Charging Port | USB Type-C (USB 2.0) |
| Operating Temperature Range | 5ºC to +40ºC (41°F to 104°F) |
| Dimensions | 90.5 mm (3.6") × 129.4 mm (5.1") × 31.9 mm (1.3") (W × D × H) |
| Weight (with battery) | 510 g (18 oz), including battery |
| Included Accessories | USB power supply adapter, USB power supply adapter blade, USB cable (1.5 m [4.9']) |
| Modulation Mode | GFSK |
| RF Output Power | 10mW EIRP |
| RF Sensitivity | -90 dBm, typical |
| Antenna | True diversity |
| Microphone | Gooseneck microphone supported |
| Phantom Power Supply | DC24V |
| Built-in Battery | 3.7 V lithium-ion battery (5.5 Wh, 1,460 mAh) |
| Battery Life | When using a gooseneck microphone with no LED: Approx. 12 hours; When using a gooseneck microphone with an LED: Approx. 8 hours; This varies depending on usage conditions. |
| Charging Time | Approx. 3 hours and 10 minutes; This varies depending on usage conditions. |
| USB Charging port | USB Type-C (USB 2.0) |
| Operating Temperature Range | 5ºC to +40ºC (41°F to 104°F) |
| Dimensions | 90.5 mm (3.6") × 129.4 mm (5.1") × 47.6 mm (1.9") (W × D × H) |
| Weight | 490 g (17 oz), including battery |
| Included Accessories | USB power supply adapter, USB power supply adapter blade, USB cable (1.5 m [4.9']) |
| Length | 12.2 In. |
|---|---|
| Width | 16.65 In. |
| Height | 4.09 In. |
| Weight | 5.73 lbs |
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