Description
Key Features
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Frequency band: 2.4 GHz (ISM) — no TV interference
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Audio resolution: Digital 24-bit/48 kHz with excellent fidelity
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Latency options: Standard mode (2.8 ms, 10 channels); HD mode (6.7 ms, 20 channels)
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Range: Up to 328 ft line-of-sight
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Security: AES‑128 encryption
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Expandability: Link up to five chassis for up to 20 simultaneous channels; each channel supports up to 4 transmitters
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Control via Audio‑Technica Wireless Manager software—remote scanning, configuration and monitoring
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Auto-lock feature prevents accidental changes
Specifications
| General | |
| AF Peak Indicator | Yes |
| Antenna | Detachable |
| Audio Frequency Response | 50 Hz – 15 kHz |
| Balanced XLR Output | Yes |
| Batteries Required | 2 AA for Transmitter |
| Battery Life | ≥ 8 hours |
| Body-Pack Transmitter Dimensions | 2.60″ x 3.43″ x 0.89″ |
| Body-Pack Transmitter Weight | 2.8 oz without batteries |
| Brand | Audio-Technica |
| Channel Selection | PLL Synthesized |
| Channel Setting | Manual |
| Charge Time | N/A |
| Color | Black |
| Connector Type | 3-pin XLR, 1/4″ |
| Country of Manufacture | Japan |
| Detachable Antennas | Yes |
| Digital/Analog Transmission | Analog |
| Dynamic Range | ≥ 110 dB, A-weighted |
| Encryption | No |
| Housing Material | Metal, Plastic |
| Interference Resistance | High |
| Latency | < 3 ms |
| LCD Display | Yes |
| Level Control | Yes |
| max SPL | 136 dB SPL |
| Microphone Type | Lavalier, Headworn |
| Model | ATW-1421 |
| Modulation | Frequency Modulation |
| Monitoring Options | LCD, LED Indicators |
| Mute Function | Yes |
| Operating Distance | 100m line of sight |
| Operating Temperature Range | 14°F to 122°F |
| Package Contents | Receiver, 2 Transmitters, Lavalier Microphone, Headworn Microphone |
| Power Supply | 12V DC, 500mA |
| Rack Mountable | Yes |
| Receiver Dimensions | 8.27″ x 6.34″ x 1.73″ |
| Receiver Type | Diversity |
| Receiver Weight | 1.8 lbs |
| RF Output Power | Low, High |
| Selectable Frequencies | Yes |
| Series | System 20 PRO |
| System Compatibility | Up to 8 simultaneous systems per frequency |
| Total Harmonic Distortion | < 1% |
| Transmission Power | < 10 mW |
| Type | Dual Body-Pack System |
| Unbalanced Output | Yes |
| Frequency Range | 170-210 MHz |
| Signal-to-Noise Ratio | ≥ 100 dB |
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