RC-7921 UHF Dual Channel Adjustable Wireless Microphones
The ARVOX RC-7921 is a professional-grade dual-channel UHF wireless microphone system designed for clear, interference-free audio in events, conferences, houses of worship, and stage performances.
With 200 selectable frequencies, dual OLED displays, and a long operational range of up to 100 m, it offers flexibility, stability, and ease of control.
Its 1U rackmount receiver is built with a robust metal chassis, supporting both balanced and mixed outputs for versatile audio setups.
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Dual-Channel Flexibility – Operate two microphones simultaneously with independent controls.
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Wide UHF Coverage – 500–900 MHz range with 200 frequency presets for interference-free performance.
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Dual LCD Displays – Real-time frequency, channel, and battery monitoring.
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Multiple Outputs – 2 balanced XLR and 1 mixed 6.35 mm output for versatile connection.
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Long-Range Performance – Stable transmission up to 80–100 m (line of sight).
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Handheld Mic Features – Battery indicator, unique ID, and mute function for convenience.
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Durable Design – Rugged 1U metal rackmount receiver for professional installations.
| Feature | Details |
|---|---|
| Frequency Range | UHF 500–900 MHz, PLL-stabilized, 200 presets |
| Channels | Dual-channel handheld mic system |
| Display & Controls | 2 × 2-inch LCD screens with shuttle knobs |
| Antennas | Dual BNC connector inputs |
| Audio Outputs | 2 × balanced XLR, 1 × mixed 6.35 mm jack |
| Operational Range | 80–100 meters (visual line of sight) |
| Handheld Features | Individual ID, battery level indicator, mute button |
| Receiver Design | 1U metal rackmount chassis |
| Primary Strengths | High fidelity audio, ease of frequency setup, dual-channel flexibility |
Features
- Built-in Automatic Frequency Scanning
Enables quick scanning and locking onto interference-free frequencies via the LCD screen—convenient for stable operation in busy RF environments. - Dual-OLED Display & Controls
Includes two 2-inch LCD screens and shuttle knobs for easy and independent control of each microphone channel. - Dual Antenna and Output Channels
– 2 antenna inputs via BNC connectors
– 2 balanced, independent audio outputs (XLR)
– 1 unbalanced mixed audio output (6.35 mm jack) - Extensive UHF Band Coverage
Operates in the UHF 500–900 MHz range with a wide 200 frequency presets managed by a PLL loop design. - Long Effective Range
Offers a visual working range of 80–100 meters, making it ideal for medium-sized venues. - Channel Identification and Handheld Mute
Each channel uses a unique ID; handheld transmitters display battery levels and support user-friendly mute functionality. - High-Fidelity Audio in a Rugged Rackmount Receiver
Housed in a standard 1U metal chassis for durable installation, emphasizing professional-grade audio performance and reliability.
