Introduction
The N-GEAR Drum Block 420 is a versatile and portable Bluetooth speaker designed for various entertainment purposes. It combines a powerful 50-watt audio output with integrated drum pads, a karaoke function including a microphone, and a power bank feature. This manual provides essential information for setting up, operating, and maintaining your Drum Block 420 speaker.

Figure 1: N-GEAR Drum Block 420 Bluetooth Speaker. The speaker is black with a blue illuminated speaker cone. Included drumsticks and a wired microphone are shown alongside the unit.
Product Features
- 50 Watts Output: Delivers powerful audio for various settings.
- Integrated DrumBox: Features 5 drum pads and 3 cymbal pads on the top panel, transforming the speaker into a musical instrument. Drumsticks are included.
- Karaoke Function: Includes a wired microphone for singing along or making announcements.
- Bluetooth Connectivity: Wirelessly stream audio from compatible devices.
- Aux-In Connection: Allows for wired audio input from external sources.
- Portable Power: Operates on AC power or built-in battery with up to 6 hours of autonomy.
- Illuminated Speaker: Features a blue retro-illuminated speaker for visual effect.
- Power Bank Function: Provides an option to charge other devices.
Package Contents
Ensure all items are present in the package:
- N-GEAR Drum Block 420 Speaker Unit
- Wired Microphone
- Drumsticks (pair)
- Power Cable
- User Manual (this document)
Setup
1. Charging the Speaker
Before first use, fully charge the speaker's internal Lithium-ion battery.
- Connect the provided power cable to the speaker's power input port.
- Plug the other end of the power cable into a standard electrical outlet.
- The charging indicator light will illuminate. Allow several hours for a full charge.
- Once fully charged, the speaker provides up to 6 hours of playback time.
2. Connecting the Microphone
To use the karaoke function or for announcements:
- Locate the microphone input jack on the speaker.
- Insert the plug of the wired microphone firmly into the microphone input jack.
- Adjust the microphone volume using the dedicated control knob on the speaker.
3. Powering On/Off
- To power on, press and hold the Power button until the display or indicator lights activate.
- To power off, press and hold the Power button again until the unit shuts down.
Operating Instructions
1. Bluetooth Connection
Connect your smartphone, tablet, or other Bluetooth-enabled device to the speaker.
- Ensure the speaker is powered on and in Bluetooth mode (indicated by a specific light or display icon).
- On your device, enable Bluetooth and search for available devices.
- Select "N-GEAR Drum Block 420" from the list of found devices.
- Once paired, the speaker will confirm the connection, and you can begin streaming audio.
2. Aux-In Connection
For devices without Bluetooth or for a wired connection:
- Connect one end of a 3.5mm audio cable (not included) to the Aux-In port on the speaker.
- Connect the other end of the cable to the headphone jack or audio output of your external device.
- Switch the speaker to Aux-In mode (if applicable).
- Adjust the volume on both the speaker and your connected device.
3. DrumBox Function
The top panel of the speaker features integrated drum pads.
- Use the included drumsticks to play the 5 drum pads and 3 cymbal pads.
- Experiment with different pads to produce various drum sounds.
- The drum sounds will be played through the speaker's main output.
4. Karaoke Function
With the microphone connected, you can sing along to music or use it for public speaking.
- Ensure the microphone is securely plugged into the microphone input.
- Adjust the microphone volume using the dedicated knob.
- Play music via Bluetooth or Aux-In, and your voice from the microphone will be mixed with the audio.
5. Power Bank Function
The speaker can be used to charge other USB-powered devices.
- Locate the USB output port on the speaker.
- Connect your device's USB charging cable to this port.
- The speaker will begin charging your device. Note that using this function will reduce the speaker's battery life.
6. Light Effects
The speaker features a blue retro-illuminated speaker cone.
- The illumination typically activates automatically when the speaker is powered on.
- Refer to the control panel for any dedicated light effect buttons or modes, if available.
Maintenance
1. Cleaning
- Ensure the speaker is powered off and unplugged before cleaning.
- Use a soft, dry cloth to wipe the exterior surfaces.
- Do not use abrasive cleaners, waxes, or solvents.
- Avoid getting moisture into any openings. The product is listed as waterproof, but direct water exposure to ports should be avoided.
2. Storage
- Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for an extended period, charge the battery periodically to maintain its health.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery is depleted; Power cable not connected. | Charge the speaker fully; Ensure power cable is securely connected to both speaker and outlet. |
| No sound from speaker | Volume too low; Incorrect input mode; Device not connected properly. | Increase speaker and device volume; Select correct input mode (Bluetooth/Aux-In); Reconnect device. |
| Bluetooth not pairing | Speaker not in pairing mode; Device Bluetooth off; Too far from speaker. | Ensure speaker is in Bluetooth pairing mode; Turn on device Bluetooth; Move device closer to speaker (within 10 meters). |
| Microphone not working | Microphone not plugged in; Microphone volume too low. | Ensure microphone is securely plugged into its input; Increase microphone volume knob. |
Specifications
| Feature | Detail |
|---|---|
| Brand | N-Gear |
| Model Number | DB 420 |
| Speaker Output Power | 50 Watts |
| Connectivity Technology | Bluetooth, Auxiliary |
| Wireless Communication | Bluetooth |
| Power Source | Electric Cable, Battery |
| Battery Type | 1 Lithium-ion battery required |
| Battery Autonomy | Up to 6 hours |
| Control Method | Touch |
| Product Dimensions (L x W x H) | 18 x 18 x 20 cm (7.1 x 7.1 x 7.9 inches) |
| Item Weight | 1.92 Kilograms (4.23 pounds) |
| Color | Blue (referring to speaker illumination) |
| Waterproof | Yes |
| Recommended Uses | For smartphone or tablet |
| Compatible Devices | Laptop, Smartphone, Tablet |
Warranty and Support
The N-GEAR Drum Block 420 comes with a manufacturer's warranty of 2 years.
For technical support, warranty claims, or further inquiries, please contact your retailer or visit the official N-Gear website. Keep your proof of purchase for warranty validation.





