BOMGE BMG-08F 8-Channel Mini Audio Mixer Instruction Manual

1. Introduction

Thank you for choosing the BOMGE BMG-08F 8-Channel Mini Audio Mixer. This compact and powerful mixer is designed for a variety of audio applications, offering features such as 48V phantom power, 24 DSP effects, Bluetooth connectivity, USB playback, and recording capabilities. This manual provides detailed instructions to help you set up, operate, and maintain your mixer for optimal performance.

2. Safety Information

Please read and understand all safety instructions before using this product. Keep this manual for future reference.

• Do not expose the unit to rain or moisture to avoid fire or electric shock.
• Do not open the casing. There are no user-serviceable parts inside. Refer all servicing to qualified personnel.
• Ensure the power supply meets the specified voltage and current (DC 5V 2A).
• Avoid placing the unit near heat sources or in direct sunlight.
• Clean only with a dry cloth.

3. Package Contents

The package typically includes:

• BOMGE BMG-08F Mini Audio Mixer
• USB Power Cable
• User Manual

Note: An OTG converter for mobile phone connection is not included and must be purchased separately if needed.

4. Product Overview

Key Features

• 8 Channel Input: Versatile connectivity for multiple audio sources.
• Independent 48V Phantom Power: Available on 6 independent channels for condenser microphones.
• 24 DSP Effect Function: Built-in digital signal processing for various sound effects.
• Bluetooth Function: Wireless audio streaming from mobile devices.
• USB Connect Interface: For MP3 playback from USB drives and connection to computers for recording.
• Recording Function: Direct recording to USB or computer.
• XLR Balance Output: Professional audio output.
• 5V Power Supply: Flexible powering options via USB.

Control Panel Description

• Microphone/Line Inputs (1-6): Combo jacks for XLR microphones or 1/4-inch line-level instruments.
• 48V Phantom Power Switch: Activates phantom power for condenser microphones on channels 1-6.
• Trim Control: Adjusts the input gain for each channel.
• EQ (HIGH/LOW): Two-band equalizer for adjusting high and low frequencies.
• EFF (Effect): Controls the amount of reverberation effect applied to the channel.
• LEVEL: Adjusts the output level of each channel.
• USB Connectivity: Port for USB flash drives and PC connection.
• Multi-Mode Integrated Ribbon: Display and controls for MP3 playback, Bluetooth, and recording.
• Sound Source Switching: Button to switch between Bluetooth, USB playback, or 7/8 channel input.
• Master Reverb Control: Adjusts the overall level of the DSP effects.
• Main Out (L/R): XLR balanced outputs for connecting to main speakers or amplifiers.
• Phones: Headphone output with dedicated volume control.
• AUX Input/Output: Additional input/output options.

5. Setup

Powering the Mixer

The BMG-08F mixer requires a DC 5V 2A power supply. It can be powered conveniently by various sources:

• A computer's USB port.
• A standard 5V 2A USB charger.
• A power bank.
• A mobile phone charger.

Connecting Audio Sources

1. Microphones/Instruments: Connect microphones (XLR) or line-level instruments (1/4-inch TRS) to channels 1-6.
2. Phantom Power: For condenser microphones, activate the 48V phantom power switch on the respective channel. Ensure dynamic microphones are not connected when 48V is active.
3. Stereo Inputs (7/8): Use the 1/4-inch TRS or RCA inputs for stereo line-level devices.
4. Main Outputs: Connect your main speakers or amplifier to the XLR LEFT OUT and RIGHT OUT.
5. Headphones: Plug your headphones into the PHONES jack and adjust the dedicated volume control.

6. Operating Instructions

Basic Audio Mixing

1. Gain Adjustment (TRIM): Adjust the TRIM knob for each input channel to achieve a healthy signal level without clipping (the PEAK LED should only flash occasionally).
2. Equalization (EQ): Use the HIGH and LOW knobs to shape the tone of each channel.
3. Effect Send (EFF): Turn the EFF knob to send a portion of the channel's signal to the built-in DSP effects processor.
4. Channel Level (LEVEL): Adjust the LEVEL knob to control the volume of each channel in the main mix.
5. Main Output Level: Use the MAIN OUT fader to control the overall volume of the mix.

Using DSP Effects

The BMG-08F features 24 DSP effects. Use the EFF knob on each channel to send signal to the effects processor, and the Master Reverb Control to adjust the overall effect level.

Bluetooth Connectivity

1. Press the 'BT' button on the mixer's display section to activate Bluetooth mode.
2. On your mobile device, search for 'BMG-08F' in the Bluetooth settings and connect.
3. Once connected, you can stream audio wirelessly from your device to the mixer.
4. Use the Sound Source Switch button to select Bluetooth playback.

USB Playback and Recording

1. USB Playback: Insert a USB flash drive with MP3 files into the USB port. The mixer will automatically detect and play the audio. Use the controls on the display for playback (REC, Play/Pause, Next/Previous, Mode).
2. Recording to PC/MAC:
   1. Dial the button on the back of the BMG-08F to the "PC" end.
   2. Connect the mixer to your PC/MAC using a USB cable.
   3. No driver is needed. The device will be identified as "JieLi BR21" on your computer.
   4. Enjoy recording and audio editing using your preferred software.

Live Broadcast on Mobile

To broadcast live on your mobile device, you will need a USB cable and an OTG (On-The-Go) converter (not included). Connect the mixer's USB output to your phone via the appropriate OTG converter (USB to 3.5mm, USB to Type-C, or USB to Lightning).

7. Maintenance

• Cleaning: Use a soft, dry cloth to clean the exterior of the mixer. Do not use liquid cleaners or solvents.
• Storage: Store the mixer in a cool, dry place away from direct sunlight and extreme temperatures.
• Cable Management: Ensure all cables are connected securely and are not strained or tangled.
• Dust Protection: When not in use, cover the mixer to prevent dust accumulation.

8. Troubleshooting

Common Issues and Solutions

• No Power: Ensure the 5V 2A power supply is correctly connected and functioning. Try a different USB port or power adapter.
• No Sound Output: Check all cable connections (inputs, main outputs, headphones). Verify that channel LEVELs, MAIN OUT fader, and headphone volume are turned up. Ensure 48V phantom power is correctly engaged for condenser microphones.
• No Sound from USB/Bluetooth: Confirm the correct input source is selected using the Sound Source Switch button. Ensure your Bluetooth device is paired and playing audio.
• Recording Issues: Verify the mixer is switched to "PC" mode on the back. Check your computer's audio input settings to ensure "JieLi BR21" is selected as the input device.
• Distorted Sound: Reduce the TRIM gain for the input channel. Check that the PEAK LED is not constantly lit. Lower the overall MAIN OUT level.

9. Specifications

10. User Tips

• USB Audio Interface: Yes, the BOMGE BMG-08F functions as a USB audio interface. You can connect it to your PC or Mac via USB to record audio directly to your computer without needing additional drivers.
• Mobile Live Streaming: Remember to acquire an appropriate OTG converter for your specific mobile device (USB to 3.5mm, Type-C, or Lightning) as it is not included with the mixer.
• Phantom Power Caution: Always ensure 48V phantom power is only activated when using condenser microphones. Turn it off when using dynamic microphones or when no microphone is connected to prevent potential damage.

11. Warranty and Support

For warranty information and technical support, please refer to the seller's policies or contact the BOMGE customer service directly. Keep your purchase receipt as proof of purchase.