A-02 professional dual-channel UHF wireless microphone system featuring IR frequency matching and two handheld transmitters.

A-02 Professional Dual-Channel UHF Wireless Microphone System (One-to-Two)

The A-02 is a highly versatile “One-to-Two” Dual-Channel UHF Wireless Microphone System engineered for professional staging and corporate environments. Featuring a high-end color display for real-time monitoring of RF, audio, and battery status, it ensures complete control during live events. With advanced IR frequency matching, digital pilot technology, and 200 adjustable frequency points, the system guarantees interference-free performance up to 80 meters. Pre-configured with 4 sets of stacked frequencies, integrators can easily deploy up to 4 systems (8 microphones) simultaneously in the same location without crosstalk.

Intelligent Audio Control for Professional Venues

The A-02 sets a new standard for mid-to-large-scale wireless audio. Equipped with a vibrant full-color display on the receiver, AV technicians can instantly monitor critical data including RF signal strength, audio levels, battery life, SQ distance, and channel locking status.

Designed for rapid deployment, it features one-click independent locking, IR infrared frequency matching, and digital pilot technology. This ensures that the receiver completely mutes the AF signal when the transmitter is turned off, effectively blocking out any rogue interference signals in open spaces up to 80 meters.

Integrator-Friendly Features

  • Multi-System Stacking
    Pre-loaded with 4 sets of stacked frequencies, easily supporting 1-4 systems simultaneously.
  • Advanced EMI Reduction
    Built-in mode inductor on the circuit board minimizes power supply electromagnetic interference.
  • Transmitter Versatility
    Compatible with both handhelds and gooseneck/square-pole conference bases.

A-02 Receiver Host Specifications

Parameter Details
Carrier Frequency Band UHF 610-670MHz
Channel Capacity 2 Channels (100 adjustable frequencies per channel / 200 total)
Oscillation & Modulation PLL Phase-Locked Loop | Modulation: FM (Max offset ± 50KHz)
Audio Performance Response: 55Hz~16KHz (± 3dB) | SNR: >108dB | T.H.D: <0.4% @ 1KHz
Effective Working Distance ~80 Meters (in open spaces)
Power & Physical Specs AC 100-240V, 10W | Size: 421x430x206 mm | Weight: 1.8KG (EIA 1U)

Transmitter Options (Handheld & Conference Base)

Feature Handheld Microphone Conference Seat / Base
Sound Head (Capsule) Dynamic / Capacitive (Heart-shaped directional) Dynamic / Capacitive (Heart-shaped directional)
RF Power Output 10mW 10mW
Battery & Lifespan AA x 2 | ~10 Hours (100mA typical) AA x 2 | ~10 Hours (100mA typical)
Size & Weight 51mm(Ø) x 256mm(L) | 300g Base: 130mm x 190mm | Weight: 600g
Stem: 43cm (Gooseneck) or 22cm (Square)

Global Manufacturing & Project Sourcing

Maccus Audio provides scalable UHF wireless solutions tailored for international distributors and AV contractors. Whether you need customized frequency bands or OEM branding for the A-02 color-display system, our engineering team is ready to support your next major project.


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