The Blastking MHU502R is a true diversity dual UHF wireless microphone system designed for professional wireless audio applications. It includes a receiver, 2 handheld transmitters, rechargeable 3.7V Li-ion 18650 battery packs, power supply adapter, holders, audio cable, and user manual, offering a complete wireless microphone solution in one system.
The receiver features built-in battery charging bays, allowing the rechargeable battery packs to be charged directly from the receiver. Built for dependable wireless operation, the MHU502R offers a 500–530 MHz and 551–582 MHz frequency range, true diversity reception, 150 kHz step frequency, DSP clip frequency lock, 90 dB dynamic range, more than 90 dB signal-to-noise ratio, and an effective operating distance of up to 100 meters.
The receiver provides balanced XLR outputs and a mixed unbalanced 1/4 inch output, along with IR frequency synchronization, automatic non-interference frequency search, channel display, system lock, volume control, and selectable light color options. The handheld transmitters use FM modulation and include features such as LCD display, mute/unmute control, 3-level transmitter power selection, mic volume up/down, IR synchronization, and a light ring that can be synchronized with the receiver.
Features
- True diversity dual UHF wireless microphone system
- Includes 2 handheld microphones
- Built-in receiver battery charging
- Receiver charging bays for rechargeable battery packs
- UHF frequency range: 500–530 MHz and 551–582 MHz
- IR frequency synchronization between receiver and transmitters
- Automatic non-interference frequency search
- Up to 100 meters effective operating distance
- Balanced XLR outputs
- Mixed unbalanced 1/4 inch output
- Receiver volume adjustment
- LCD frequency and channel display
- System lock function
- Selectable receiver and transmitter light color options
- Rechargeable 3.7V Li-ion 18650 battery packs included
- FM handheld transmitters with mute/unmute function
- 3-level transmitter power selection
- Mic volume up and down controls
Specifications
Model: MHU502R
Product Type: True Diversity Dual UHF Wireless Mic System
Microphones Included: 2 handheld transmitters
Receiver
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Frequency Range: 500–530 MHz, 551–582 MHz
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Step Frequency: 150 kHz
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Vibration Mode: DSP clip frequency lock
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Frequency Stability: 10 ppm
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RF Power: -103 dBm
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Frequency Response: 50 Hz – 12 kHz
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Signal-to-Noise Ratio: >90 dB
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Audio Output: 200 mV (RMS)
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Dynamic Range: 90 dB
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Effective Distance: 100 meters
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Power Supply: DC 12V–18V
Transmitter
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Frequency Range: 500–530 MHz, 551–582 MHz
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Frequency Stability: 10 ppm
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Modulation Mode: FM
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Audio Output: <10 mW
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Harmonic Suppression: >60 dB
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Dynamic Range: 90 dB
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Maximum Modulation: 75K
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Effective Distance: 100 meters
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Voltage: 3.7V
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Current: 120 mA
Receiver Connections and Functions
- Balanced Microphone Outputs: XLR jack
- Unbalanced Output: 1/4 inch mixed unbalanced microphone output
- DC Input: DC 12V ~ 2A
- Built-In Battery Charging Bays
- Power On/Off Switch
- Volume Adjustment Potentiometer
- Light Selection and Synchronization Button
- UP/LOCK Button
- SET/IR Button
- DOWN Button
- Channel LCD Display
- Infrared Signal Emission Window
Handheld Transmitter Functions
- LCD Display
- Power On/Off Switch
- Mute/Unmute Function
- Frequency Indicator
- Power Indicator
- Light Ring
- IR Window
- Battery Compartment
- 3-Level Power Selection
- Mic Volume Up
- Mic Volume Down
Package Includes
- Receiver
- (2) Handheld microphone transmitters in EVA case
- (4) 3.7V Li-ion 18650 rechargeable battery pack
- Power supply adapter 2A
- Holder
- Audio cable
- User manual
