The Audio-Technica ATW-R1440 System 20 Pro Wireless Receiver is a 2.4 GHz rack-mount chassis that includes an ATW-RU14 receiver unit, four antennas, an AC adapter, and rackmount hardware.
The Audio-Technica ATW-R1440 System 20 Pro Wireless Receiver is a professional 4-channel wireless solution designed for high-density audio environments. This 2.4 GHz system utilizes a compact half-rack chassis to provide reliable signal reception and comprehensive control for multiple transmitters.
The ATW-R1440 chassis supports up to four receiver channels in a single half-rack space. Each individual receiver channel can pair with up to four different transmitters, allowing users to switch between various transmitter configurations instantly. The system features two distinct operating modes to optimize performance based on the environment. Standard mode supports 10 channels, while HD mode increases capacity to 20 channels for higher-density setups.
This system provides versatile installation options to ensure optimal signal integrity. Receiver units can remain docked within the ATW-R1440 chassis or be mounted remotely up to 328 feet away via Ethernet cable. For larger scale operations, users can link up to five chassis together to operate simultaneously, expanding the total number of available wireless channels.
Integration with the A-T Wireless Manager software enables real-time monitoring of critical system data. Users can track transmitter status, audio levels, and remaining battery life directly through the interface. To ensure stable operation during live events, the receiver includes an auto-lock function that prevents unintended changes to the system settings.
| 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 | 11.02 In. |
|---|---|
| Width | 12.36 In. |
| Height | 4.09 In. |
| Weight | 4.04 lbs |
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