Description ***OFFICIAL RELACART DISTRIBUTOR IN BRAZIL **WARRANTY AND AFTER-SALES SUPPORT! UR-222D Dual-Channel Wireless Microphone The UR-222D series condenses the technological essence accumulated by Relacart over a long period. With advanced technology, sophisticated design, stable performance, beautiful appearance, convenient operation, and an attractive price, it boasts superior professional quality to outperform the market. This series is suitable for high-demand nightclubs, multi-purpose halls, hotels, conference rooms, and small to medium-sized venues. Main Features:1. International EIA 1U metal chassis, combined with a new compact and stylish LCD display; 2. Bright, easy-to-read LCD display shows operating frequency or channel, RF/AF, diversity strengths; transmitter battery level, mute, and built-in electronic volume; 3. Super wide frequency range UHF554MHz~586MHz, automatic frequency selection, CPU intelligent antenna diversity reception; 4. “AFS” automatic frequency selection function. Press the “AFS” (Automatic Frequency Selection) button for 3S, and the receiver will automatically scan and lock onto an interference-free frequency; 5. Press the [IR] button to automatically upload the receiver frequency to the transmitter;6. Stable PLL (phase-locked loop) frequency control circuit, combining IP address mute and noise detection functions, can effectively isolate RF interference from computers, music machines, and DVDs in the working environment; 7. Four frequency groups in total, 40 channels, providing over 400 adjustable frequencies for users; 8. 134MHz wideband transmitter, four different frequency groups (400 microphones) can be switched, very convenient for debugging and management; 9. Handheld microphone: Innovative design, OLED screen displays battery level, working channel, and frequency. The tube is made of durable alloy, effectively protecting the circuit elements and battery rack, and has an ergonomic grip;10. New optimized circuit design, good sound quality, longer and more stable transmission distance; 11. Precise low-power circuit design, uses two AA alkaline batteries, longer battery life; 12. Compatible with the UH-222 handheld microphone or the UT-222 body-pack transmitter.SPECIFICATIONS: 1. Carrier Frequency Range: 554-586MHZ 2. Oscillation: PLL Synthesized 3. Harmonic Radiation: