W-KING D8
W-KING D8 Bluetooth Speaker User Manual
Model: D8
Introduction
The W-KING D8 Bluetooth Speaker is a portable, high-fidelity audio device designed for robust sound performance in various environments. It features powerful subwoofers and tweeters, IPX6 waterproofing, and extended battery life, making it suitable for both indoor and outdoor use.

Image: The W-KING D8 Bluetooth Speaker, showcasing its rugged design and integrated strap.
Package Contents
- W-KING D8 Bluetooth Speaker
- USB Charging Cable
- 3.5mm AUX Cable
- Adjustable Strap
- User Manual (this document)
Setup
1. Initial Charging
Before first use, fully charge the speaker. Connect the provided USB charging cable to the speaker's charging port and a compatible 5V 2.0A power adapter (not included). The charging indicator lights will illuminate. Charging time is approximately 40 hours for a full charge. Ensure to charge the speaker once a month to maintain battery health if not in regular use.

Image: The W-KING D8 speaker connected via USB cable, illustrating its charging capability and power bank function for external devices.
2. Powering On/Off
Press and hold the power button for 2-3 seconds to turn the speaker on or off. A sound indicator will confirm the action.
Operating Instructions
1. Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing blue LED).
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "W-KING D8" from the list.
- Once connected, the LED indicator will turn solid blue, and a confirmation sound will play.

Image: The W-KING D8 speaker highlighting its Bluetooth 5.0 connectivity and Bass EQ button for sound customization.
2. True Wireless Stereo (TWS) Pairing
To achieve 180W peak stereo sound, you can pair two W-KING D8 speakers together:
- Ensure both W-KING D8 speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), press the TWS button. The speaker will enter TWS pairing mode.
- The primary speaker will automatically search for and connect to the second speaker.
- Once successfully paired, both speakers will play audio in stereo, with one acting as the left channel and the other as the right.
- Connect your device to the primary speaker via Bluetooth as described in the "Bluetooth Pairing" section.

Image: Two W-KING D8 speakers wirelessly connected, demonstrating the True Wireless Stereo feature for enhanced sound.
3. Audio Playback and Controls
- Volume Control: Use the '+' and '-' buttons on the speaker to adjust the volume.
- Play/Pause: Press the Play/Pause button to play or pause audio.
- Next/Previous Track: Long press the '+' button for the next track, and long press the '-' button for the previous track.
- Bass EQ: Press the EQ button to toggle between different sound modes, enhancing bass or optimizing for clear vocals.

Image: Close-up of the W-KING D8 speaker's control panel, highlighting the Bass Boost EQ button.
4. Hands-Free Calling
When connected via Bluetooth, the speaker's built-in microphone allows for hands-free calling:
- Answer Call: Press the Play/Pause button once to answer an incoming call.
- End Call: Press the Play/Pause button once during a call to end it.
- Reject Call: Press and hold the Play/Pause button to reject an incoming call.
- Voice Assistant: Double-press the Play/Pause button to activate your device's voice assistant (Siri, Google Assistant, Cortana).

Image: A person riding a motorcycle with the W-KING D8 speaker strapped, demonstrating its hands-free calling capability and voice assistant integration.
5. Power Bank Function
The W-KING D8 can act as a power bank to charge your smart devices. Connect your device's charging cable to the USB output port on the speaker.
6. Other Input Modes (AUX, TF Card, NFC)
- AUX Input: Connect an audio device using the provided 3.5mm AUX cable to the AUX port. The speaker will automatically switch to AUX mode.
- TF Card: Insert a TF (microSD) card with audio files into the TF card slot. The speaker will automatically play music from the card.
- NFC Connection (Android Only): For compatible Android devices, simply touch your device to the NFC area on the speaker to initiate Bluetooth pairing.

Image: The W-KING D8 speaker displaying its NFC function and other connectivity options including Bluetooth, AUX-IN, and TF Card.
Maintenance
- Cleaning: Use a soft, damp cloth to clean the speaker's exterior. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, fully charge the speaker before long periods of inactivity and recharge it at least once a month.
- Water Resistance: While IPX6 waterproof, avoid submerging the speaker in water. Ensure all port covers are securely closed before exposure to water.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery; Power button not pressed correctly. | Charge the speaker fully. Press and hold the power button for 2-3 seconds. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode; Device Bluetooth off; Too far from speaker. | Ensure speaker is flashing blue LED. Enable Bluetooth on device. Move device closer (within 100ft). Forget previous pairings on device. |
| No sound or low volume. | Volume too low on speaker/device; Incorrect input mode. | Increase volume on both speaker and device. Check if AUX or TF card is inserted and remove if not intended. |
| TWS pairing fails. | Speakers already connected to other devices; Too far apart. | Disconnect both speakers from any Bluetooth devices. Ensure speakers are close to each other during TWS pairing. |
| NFC connection not working. | NFC not enabled on device; Device not Android; Incorrect NFC area. | Ensure NFC is enabled on your Android device. Touch the device directly to the NFC logo on the speaker. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | D8 |
| Speaker Type | Subwoofer |
| Speaker Maximum Output Power | 90 Watts (Peak) |
| Frequency Response | 60 Hz |
| Connectivity Technology | Bluetooth 5.0, Auxiliary (3.5mm), TF Card, NFC |
| Wireless Communication Range | Up to 100 Feet |
| Water Resistance Level | IPX6 Waterproof |
| Battery Life | Up to 40 Hours (at lowest volume) |
| Battery Capacity | 4000 mAh |
| Charging Time | Approximately 40 Hours (for full charge) |
| Power Source | Battery Powered |
| Input Voltage | 5 Volts |
| Material | Metal, Acrylonitrile Butadiene Styrene (ABS) |
| Product Dimensions | 4.65"D x 12.57"W x 4.65"H |
| Item Weight | 5.3 Pounds |
| Built-in Microphone | Yes |
| Special Features | Bass Boost, Portable, Waterproof, USB Port (Power Bank), Shockproof, Stereo Pairing (TWS) |
Warranty and Support
The W-KING D8 Bluetooth Speaker comes with a limited warranty. For detailed warranty information, technical support, or service inquiries, please contact W-KING customer service through their official channels or visit their brand store on Amazon.
W-KING Brand Store: https://www.amazon.com/stores/W-KING/page/53F588DF-203C-472F-92FD-04278FC0D595
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