SGPRO D-332BB
SGPRO D-332BB Dual Channel Wireless Microphone System User Manual
Model: D-332BB
Brand: SGPRO
Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your SGPRO D-332BB Dual Channel Wireless Microphone System. This system is designed for professional-level audio capture in various scenarios, including live performances, presentations, and recording, offering reliable wireless transmission and high-quality sound.
Package Contents
Please verify that all items listed below are included in your package:
- Main Receiver
- Two Bodypacks
- Two Head-worn Microphones
- Two Lapel Mics
- XLR Cables
- 6.35 mm Jack Cables

Image: Overview of the SGPRO D-332BB Dual Channel Wireless Microphone System, showing the main receiver, two bodypack transmitters, two headset microphones, and two lavalier microphones.
Setup
1. Powering the Bodypack Transmitters
Each bodypack transmitter requires two AA batteries (not included). Open the battery compartment on the back of the bodypack and insert the batteries, ensuring correct polarity.

Image: Detailed view of the bodypack transmitter, highlighting the On/Off switch, Volume control, 3-Pin Mini XLR Jack, Power Indicator, System Information Display, IR Pairing Window, and Battery Slot.
2. Connecting Microphones to Bodypacks
Connect either a head-worn microphone or a lavalier microphone to the 3-Pin Mini XLR Jack on the bodypack transmitter. Ensure the connection is secure.
3. Setting up the UHF Wireless Receiver
Place the receiver on a stable surface. Connect the power adapter to the receiver and plug it into a power outlet. Extend the antennas for optimal signal reception.

Image: Front view of the UHF Wireless Receiver, showing the IR Button, TFT screen, Power button, Lock button, IR window, and separate Volume/Set knobs for channels A and B.
4. Audio Output Connections
The receiver offers both XLR and 6.35mm (1/4 inch) jack outputs for connecting to audio equipment.
XLR Connection:
Use XLR cables (not included) to connect the receiver's XLR outputs to a mixer or audio amplifier for professional audio setups.

Image: Diagram illustrating the XLR connection path from the receiver to a mixer, then to an audio amplifier, and finally to stage speakers.
6.35mm (1/4 inch) Jack Connection:
Use the provided 6.35mm audio cable to connect the receiver's 6.35mm output to devices like home theater systems or TVs.

Image: Diagram illustrating the 6.35mm connection path from the receiver to an audio amplifier, then to speakers, and finally to a TV.
Optimum Boot Order: Microphone → Mixer/Processor → Audio Amplifier → Speaker
Optimum Shutdown Order: Speaker → Audio Amplifier → Mixer/Processor → Microphone
Operating Instructions
1. Power On/Off
Press the Power button on the receiver to turn it on. Turn on each bodypack transmitter using its respective On/Off switch.
2. Frequency Pairing (IR Sync)
The system features 90 preset UHF frequencies. To pair a bodypack with the receiver, align the IR Pairing Window on the bodypack with the IR window on the receiver. Press the IR button on the receiver to initiate synchronization. The TFT screen will display the paired frequency and channel.

Image: Diagram illustrating the wireless transmission range of up to 262 feet and the IR synchronization process between the bodypack transmitters and the receiver.
The Digital Pilot feature ensures that only the paired microphone is active on a given frequency, preventing interference when multiple microphones are in use.
3. Adjusting Volume
Each channel on the receiver has a separate volume control knob (VOL.A/Set and VOL.B/Set). Adjust these knobs to achieve the desired audio level. The bodypack transmitters also have a volume +/- control for individual adjustment.
4. TFT Screen Information
The TFT screen on the receiver displays important system information, including RF (Radio Frequency) and AF (Audio Frequency) signal strength, group (GR) and channel (CH) numbers, and battery status.
5. Auto-Lock Function
The wireless microphone system automatically locks after 10 seconds of no operation to prevent accidental changes to settings. Press the Lock button to unlock the system for adjustments.
Maintenance
1. Cleaning
Wipe the receiver and bodypacks with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
2. Battery Replacement
Replace the AA batteries in the bodypack transmitters when the battery indicator on the TFT screen shows low power. Always use fresh batteries for optimal performance.
3. Storage
Store the system in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods. Remove batteries from bodypacks before long-term storage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from microphone |
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| Feedback or static noise |
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| Short transmission range or signal drops |
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| Lapel microphone not picking up voice well |
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Specifications
| Feature | Detail |
|---|---|
| Model Number | D-332BB |
| Item Weight | 2.5 Pounds |
| Impedance | 1500 Ohm |
| Microphone Form Factor | Handheld, Head-worn |
| Power Source | Battery Powered, Corded Electric |
| Number of Batteries (Bodypack) | 2 AA batteries required |
| Material | Acrylonitrile Butadiene Styrene, Metal |
| Signal-to-Noise Ratio | 70 dB |
| Hardware Platform | Active Speaker, Amplifier, Audio Mixer |
| Number of Channels | 90 |
| Frequency Response | 20 KHz |
| Connectivity Technology | UHF |
| Connector Type | 6.35 mm Jack, XLR |
| Special Features | Battery Indicator Light, Mute Function, Noise Reduction, Volume Control |
| Compatible Devices | Active Speaker, Amplifier, Audio Interface, Audio Mixer |
| Polar Pattern | Super Cardioid |
| Audio Sensitivity | 90 dB |
| Recommended Uses | Singing & Speaking |
Warranty and Support
For information regarding product warranty, please refer to the official SGPRO website or contact SGPRO customer support directly. Keep your purchase receipt for warranty claims.
For further assistance or technical support, please visit the SGPRO Store on Amazon or contact their customer service.
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