U133

This professional wireless handheld dynamic microphone set is a professional grade wireless audio device designed specifically for home karaoke, stage performances, live singing, and outdoor entertainment. It adopts UHF ultra-high frequency transmission technology, paired with a heart-shaped directional dynamic coil pickup unit, DSP frequency locking and low distortion design, supports independent channel switching and volume adjustment, and the set includes dual microphones, receivers and a complete set of accessories, plug and play, no need for complex debugging, easily achieving unrestricted singing and interactive experience.

Core Technology & Performance Highlights

1.Professional UHF Wireless Transmission Performance

• Frequency Range: 663.1-694.1MHz UHF band, with pure and stable signal, not easily interfered by Bluetooth, WiFi and other devices;
• Oscillation Mode: DSP chip frequency locking to ensure stable signal without drift, strong anti-interference capability;
• Frequency Stability: ±10ppm, no frequency offset during transmission, sound remains continuous and uninterrupted;
• RF Power: 10dBm, transmission distance up to 30-50 meters, free from constraints on stage, outdoor, and large-space scenarios;
• 2×16 Channel Design: Each of the two microphones supports switching between 16 channels, avoiding interference in the same frequency band, suitable for scenarios with multiple devices used simultaneously;
• Automatic Frequency Calibration: Automatic frequency alignment on power-up, plug-and-play, no manual adjustment required, easy for beginners to get started quickly.
• 2.High-Fidelity Dynamic Pickup Performance

• Pickup Type: Dynamic microphone cartridge with cardioid polar pattern, accurately captures front vocals and effectively suppresses side/rear environmental noise;
• Frequency Response: 70Hz~18kHz, covering a wider range of vocal and instrument frequencies, with full bass, transparent midrange and clear treble, ideal for singing, speeches and instrument pickup;
• Ultra-Low Distortion Performance: Distortion <0.1%, no breakage or distortion even during loud yelling or high-pitched singing, reproducing natural vocals;
• High Sensitivity: The dynamic cartridge captures fine vocal details, clearly recording soft singing and breath sounds.
• 3.Convenient Operation & Low-Latency Experience

• Independent Volume Control: Dual microphones support independent volume adjustment, allowing you to adjust the volume according to singing style and scene requirements;
• Low-Latency Transmission: UHF transmission technology achieves zero-latency audio transmission, ensuring sound and picture synchronization during singing and live streaming for a smooth experience;
• Battery Life: Low-power chip paired with a high-capacity battery, each microphone can work continuously for 2-4 hours, meeting the needs of long performances and karaoke sessions;
• Wide Compatibility: The receiver is equipped with a 6.35mm interface, and comes with a 3.5mm adapter, compatible with mainstream devices such as amplifiers, mixers, speakers, and live sound cards;
• LED Digital Display: The microphone body is equipped with a display screen to show real-time channel, battery level, and signal status for intuitive use.

User-Friendly Design & Accessories

1.Metal-Build Body & Protective Design

• Brushed Silver Metal Body: The microphone features a brushed silver metal body, premium and durable, suitable for professional performances and high-end scenarios;
• Ergonomic Body: Streamlined handheld design with balanced weight for comfortable grip, reducing fatigue during long use;
• Anti-Pop / Anti-Slip Accessories: Equipped with colorful foam windscreens and anti-slip rings to reduce plosive sounds and airflow noise, while preventing the microphone from slipping, enhancing the user experience.
• 2.Complete Accessories, Ready to Use Out of the Box

One-to-One Configuration: U133-1

• Microphone ×1
• Receiver ×1
• 18650 Battery ×2
• Charging Cable ×1
• Anti-Drop Ring ×1
• anti-spray cotton ×2
• Weight: 0.43kg
• Package Dimensions: 27.8*10.4*5.6cm

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One-to-Two Configuration: U133-1-2

• Microphone ×2
• Receiver ×1
• 18650 Battery ×3
• Charging Cable ×1
• Anti-Drop Ring ×2
• anti-spray cotton×2
• Weight: 0.72kg
• Package Dimensions: 28.8*13.5*6.3cm

Application Scenarios

✅ Home Karaoke / Party Entertainment: Dual microphones support duets and home KTV use, paired with amplifiers/speakers to create a full atmosphere;

✅ Stage Performances / Street Shows: 30-50 meters wireless range with anti-interference UHF signal, ideal for stage and outdoor performances;

✅ Live Singing / Short Video Creation: Paired with live sound cards, vocals are clear and low-latency, improving the quality of live streams and cover works;

✅ Conference Speeches / Event Hosting: Cardioid pattern effectively suppresses noise, ensuring clear audio delivery for dual-host or multi-speaker setups;

✅ Outdoor Entertainment / Square Dancing: Low power consumption and long battery life, no need for power cords, perfect for outdoor mobile scenarios.

Product Advantages Summary

UHF wireless transmission

663.1-694.1MHz frequency band+DSP lock+30-50m distance, 16 channel anti-interference, no delay

Sound pickup performance

Heart shaped pointing dynamic coil unit+70Hz~18kHz frequency response+<0.1% low distortion, high fidelity reproduction of human voice

Easy to operate

Independent volume adjustment+automatic frequency matching+plug and play, beginner friendly

Durable battery life

2-4 hour long battery life+low-power design, flexible battery power supply

Strong compatibility

6.35mm+3.5mm dual interfaces, compatible with amplifiers, mixing consoles, sound cards, and speakers, versatile for multiple scenarios

texture and appearance

Brushed silver metal body, professional and high-end, suitable for various performance styles