Debra 4-Channel Audio Mixer with UHF Wireless Microphone, Bluetooth Recording, PC Compatibility, Delay and Repeat Effect Audio Interface Mixing Console

Debra MC-20H Professional Wireless Microphone System with Mixer

Product Condition:​ Brand New

Brand:​ Debra

Model:​ MC-20H

Type:​ Wireless UHF Microphone System & Mixer

Origin:​ Mainland China

Certifications:​ CE, FCC

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Overview

The Debra MC-20H is a complete and professional wireless microphone system designed for clear, reliable audio capture. It combines a robust UHF wireless receiver/transmitter set with a high-performance mixer, making it an ideal all-in-one solution for presentations, karaoke, live performances, and event hosting. Engineered for stability and superior sound quality, this system ensures your voice is heard with clarity and power.

Key Features

📡 Stable Wireless Performance

• Operates on a broad UHF frequency range (510.50~569.50MHz) for reliable signal transmission with minimal interference.
• Features 10 selectable channels for each transmitter (A & B), providing flexibility in crowded signal environments.
• Utilizes DSP chip frequency lock technology (±10ppm stability) for consistent, drop-out free operation.

🎤 High-Fidelity Audio

• Delivers exceptional sound quality with a wide audio frequency response of 40Hz–18kHz for both transmitter and receiver.
• Maintains low distortion (≤0.5%) and a high signal-to-noise ratio (≥90dB) for clean, natural vocal reproduction.
• The mixer section boasts a superb 120dB signal-to-noise ratio on the microphone input for pristine audio amplification.

⚙️ Professional Mixer Control

• Includes a dedicated mixer with electronically balanced XLR microphone inputs and line inputs.
• Offers wide gain control (+14dB to +60dB for mic, +10dB to +60dB for line) to handle a variety of input sources.
• Features a responsive 2-band EQ (Low: 50Hz, High: 10KHz) for precise tonal shaping.
• Provides both balanced (+28dB) and unbalanced (+22dB) output options for flexible connections to speakers, amplifiers, or recording devices.

🔋 Convenient & Ready to Use

• Transmitters are powered by 2 standard AA batteries, offering up to 4 hours of continuous use.
• Simple pairing process with automatic random ID code assignment for quick and secure setup right out of the box.

Technical Specifications

Wireless Transmitter:

• Frequency Range: 510.50~569.50MHz
• RF Power: 10dBm
• Audio Frequency Response: 40~18,000Hz
• Total Harmonic Distortion: ≤0.5%
• Power: 2 x AA Batteries

Wireless Receiver:

• Frequency Range: 510.50~569.50MHz
• Sensitivity: -95~-71dBm
• Audio Frequency Response: 40~18,000Hz
• Signal-to-Noise Ratio: ≥90dB
• Audio Output Level: 350mV (Max)

Mixer Section:

• Microphone Input: Electronically balanced
• Frequency Response: 10Hz~20kHz
• Microphone Gain Range: +14dB ~ +60dB
• Microphone Signal-to-Noise Ratio: 120dB
• Output: Balanced +28dB / Unbalanced +22dB

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Package Contents

• Debra MC-20H UHF Wireless Receiver
• Handheld Wireless Microphone Transmitter(s)
• Professional Audio Mixer Unit
• Necessary Cables & Connectors
• User Manual

Ideal For

Live singing, public speaking, house of worship, conference rooms, school events, and any application requiring reliable wireless audio amplification.

Note

This system is certified for safety and electronic compatibility (CE, FCC). Always use fresh, high-quality batteries for optimal transmitter performance and duration.