1. Introduction
Thank you for purchasing the BMB DAR-200HD Karaoke Mixing Amplifier. This amplifier is designed to deliver high-quality audio for karaoke and general entertainment, providing up to 400W (RMS) of power across 2 channels. It features HDMI connectivity, dual Bluetooth, and various sound effects to enhance your audio experience. This manual provides essential information for safe operation, setup, and maintenance of your device.
2. Safety Information
Please read all safety instructions carefully before using the amplifier. Keep this manual for future reference.
- Power Source: Connect the amplifier only to a power supply specified in the specifications section. Ensure the voltage matches your local power supply.
- Ventilation: Do not block ventilation openings. Ensure adequate airflow around the unit to prevent overheating.
- Water and Moisture: Do not expose the amplifier to rain, moisture, or excessive humidity. Do not place objects filled with liquids, such as vases, on the unit.
- Foreign Objects: Do not insert any objects into the unit's openings. This may cause electric shock or damage.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
- Placement: Place the unit on a stable, flat surface. Avoid placing it near heat sources or in direct sunlight.
- Cleaning: Disconnect the power cord before cleaning. Use a soft, dry cloth. Do not use liquid or aerosol cleaners.
3. Package Contents
Verify that all items are present in the package:
- BMB DAR-200HD Karaoke Mixing Amplifier
- Remote Control (RMR-350)
- Power Cord
- User Manual (this document)
4. Product Overview
4.1 Front Panel
The front panel provides access to essential controls and indicators for operating the amplifier.

Figure 4.1: Front Panel Layout of the DAR-200HD Amplifier. This image displays the amplifier from a front-right angle, highlighting the central display screen, power button, input selection, mode buttons, and various rotary controls for music volume, microphone volume, and echo volume. Microphone input jacks are also visible on the right side.
- Power Button: Turns the unit on or off.
- Display Screen: Shows current settings, input source, and audio levels.
- Input Buttons: Selects the audio input source (e.g., HDMI, Bluetooth, Optical).
- Mode Button: Cycles through various operational modes.
- Music Volume: Adjusts the overall music playback volume.
- Mic Volume: Adjusts the microphone input volume.
- Echo Volume: Controls the echo effect level for microphones.
- Microphone Inputs: Connect microphones for karaoke.
4.2 Rear Panel
The rear panel contains all input and output connections for integrating the amplifier into your audio system.

Figure 4.2: Rear Panel Layout of the DAR-200HD Amplifier. This image shows the back of the amplifier, detailing the various connection ports including HDMI inputs and output (with ARC), RCA audio inputs/outputs, optical input, RS232C port, speaker terminals, and the power inlet. A Wi-Fi antenna is also visible.
- HDMI Inputs (IN1, IN2): Connect devices such as karaoke players, gaming consoles, or media players.
- HDMI Output (ARC): Connect to your TV for audio output from the amplifier and to receive audio from the TV (Audio Return Channel).
- RCA Audio Inputs (AUX IN, KARAOKE IN): Connect analog audio sources.
- Optical Input: Connect digital audio sources.
- Speaker Outputs: Connect passive speakers (2 channels).
- Bluetooth Antenna: For wireless Bluetooth connectivity.
- RS232C Port: For professional control system integration.
- Power Inlet: Connect the power cord.
5. Setup
Follow these steps to set up your BMB DAR-200HD amplifier.
5.1 Speaker Connection
- Ensure the amplifier is powered off and unplugged.
- Connect your passive speakers to the "SPEAKER OUT" terminals on the rear panel. Ensure correct polarity (+ to + and - to -). The amplifier supports 2 channels at 8 ohms.
- Use appropriate speaker wire gauges for optimal performance.
5.2 Audio Source Connection
Connect your audio sources using the available ports:
- HDMI Devices: Connect karaoke players, gaming consoles, or other HDMI sources to the HDMI IN1 or HDMI IN2 ports.
- TV (ARC): Connect the HDMI OUT (ARC) port on the amplifier to the ARC-enabled HDMI input on your television. This allows the TV to send audio back to the amplifier.
- Optical Devices: Connect digital audio sources (e.g., CD player, TV without ARC) to the OPTICAL IN port.
- Analog Devices: Connect devices with RCA outputs (e.g., older DVD players, mixers) to the AUX IN or KARAOKE IN RCA ports.
5.3 Microphone Connection
Connect up to four microphones to the MIC 1/2 and MIC 3/4 inputs on the front panel.
5.4 Power Connection
- After all audio and speaker connections are made, connect the power cord to the amplifier's power inlet.
- Plug the other end of the power cord into a suitable wall outlet.
6. Operating Instructions
6.1 Basic Operation
- Power On: Press the Power button on the front panel or the remote control.
- Select Input: Use the "INPUT" buttons on the front panel or remote to select your desired audio source (e.g., HDMI 1, Bluetooth, Optical).
- Adjust Volume: Use the "MUSIC VOL", "MIC VOL", and "ECHO VOL" knobs on the front panel or corresponding buttons on the remote to adjust levels.
6.2 HDMI Functionality
The DAR-200HD features 2 HDMI inputs and 1 HDMI output with ARC (Audio Return Channel).
- Input Selection: Select the appropriate HDMI input (HDMI IN1 or HDMI IN2) for your connected device.
- ARC Function: When connected to an ARC-compatible TV via the HDMI OUT (ARC) port, the amplifier can receive audio directly from the TV, allowing you to play TV audio through your connected speakers.
- Howling Control: The integrated Howling Control Function helps inhibit feedback sound, protecting speakers and ensuring clear audio during singing.
6.3 Bluetooth Connectivity
The amplifier supports dual Bluetooth for wireless audio streaming.
- Activate Bluetooth: Select the Bluetooth input source on the amplifier. The display will indicate pairing mode.
- Pair Device: On your smartphone or other Bluetooth-enabled device, search for "BMB DAR-200HD" in the Bluetooth settings and select it to pair.
- Play Audio: Once paired, you can stream audio wirelessly from your device to the amplifier.
6.4 Sound Effects
The DAR-200HD offers 5 kinds of sound effects to enhance your audio:
- Popular
- Pro
- Rock
- Theater
- Custom
Use the "MODE" button or the remote control to cycle through these effects. The "Custom" mode allows for personalized adjustments via the PC Editor or mobile apps.
6.5 App and PC Editor Control
The amplifier can be controlled and tuned using dedicated applications:
- Mobile Apps: Download the official BMB app for iOS or Android devices. Connect via Bluetooth to control settings and customize sound.
- PC Editor: Use the PC Editor software for advanced tuning and configuration of the DAR-200HD.
7. Maintenance
Proper maintenance ensures the longevity and optimal performance of your amplifier.
- Cleaning: Regularly wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents.
- Ventilation: Ensure that the ventilation openings are free from dust and obstructions.
- Storage: If storing the unit for an extended period, unplug it from the power outlet and store it in a cool, dry place.
8. Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord not connected; Power outlet faulty | Ensure power cord is securely connected; Try a different outlet |
| No sound output | Incorrect input selected; Speaker wires loose; Volume too low; Mute activated | Select correct input source; Check speaker connections; Increase volume; Deactivate mute |
| Microphone not working | Microphone not connected; Mic volume too low; Microphone faulty | Ensure microphone is connected to correct input; Increase Mic Volume; Test with another microphone |
| Bluetooth pairing failed | Bluetooth not in pairing mode; Device too far; Interference | Ensure amplifier is in Bluetooth input mode; Move device closer; Reduce interference from other wireless devices |
| Audio feedback (howling) | Microphone too close to speakers; Mic volume too high | Reposition microphone; Reduce Mic Volume; The amplifier's Howling Control function should help mitigate this. |
9. Specifications
Technical specifications for the BMB DAR-200HD Karaoke Mixing Amplifier.
| Model Name | DAR-200HD |
| Brand | BMB |
| Power Output | 200W x 2 Channels (RMS @ 8 ohm) |
| Connectivity Technology | Bluetooth, HDMI, Optical, RCA |
| HDMI Ports | 2-in, 1-out (with ARC) |
| Special Features | Howling Control Function, Dual Bluetooth, PC Editor, iOS/Android App Control, 5 Sound Effects |
| Included Components | Remote Control |
| Color | Black |
| Item Weight | 23.1 Pounds |
| Dimensions (D x W x H) | 11.42"D x 16.54"W x 4.02"H |
| Power Source | Plug In Electric |
10. Warranty and Support
Warranty: The BMB DAR-200HD Karaoke Mixing Amplifier comes with a 1 Year Limited Warranty from the date of purchase. This warranty covers manufacturing defects under normal use. Please retain your proof of purchase for warranty claims.
Customer Support: For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact BMB customer support through their official website or authorized service centers. Refer to the product packaging or BMB's official website for contact details.