Introduction
This manual provides detailed instructions for the operation and maintenance of your DOSS Extreme Boom Pro D200 speaker. Please read this manual thoroughly before using the product to ensure proper function and longevity.

Figure 1: DOSS Extreme Boom Pro D200 Speaker (Black model)
What's in the Box
- 1 × Extreme Boom Pro D200 Speaker
- 1 × USB-C Charging Cable
- 1 × User Manual
- 1 × Strap
Setup Guide
1. Charging the Speaker
Before first use, fully charge the speaker using the provided USB-C charging cable. Connect the USB-C end to the speaker's charging port and the other end to a compatible USB power adapter (not included).

Figure 2: Charging the DOSS Extreme Boom Pro D200 speaker. The speaker also functions as an emergency power bank.
The speaker features a 10,400 mAh battery, providing up to 26 hours of playtime at 50% volume with Extra Bass and lights off. Actual battery life may vary based on volume, music content, and usage.
2. Bluetooth Pairing
To connect your device via Bluetooth 5.4:
- Power on the DOSS Extreme Boom Pro D200 speaker. The Bluetooth indicator will flash, indicating it's in pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for "Extreme Boom Pro D200" in the list of available devices.
- Select "Extreme Boom Pro D200" to connect. Once connected, the Bluetooth indicator will remain solid.
Video 1: Demonstrates Bluetooth pairing for the DOSS Extreme Boom Pro D200 speaker. The speaker is powered on, and a mobile device is used to select and connect to the speaker via Bluetooth settings.
The speaker supports Bluetooth 5.4 for a fast and stable connection up to 82 feet away.
3. Other Connectivity Options
In addition to Bluetooth, the speaker supports music playback via:
- 3.5mm Aux-in: Connect an audio device using a 3.5mm AUX cable (not included).
- TF Card: Insert a TF card (not provided) with your music files.

Figure 3: The speaker offers multiple connectivity options including Bluetooth 5.4, 3.5mm Aux-in, and TF card support.
Operating the Speaker
1. Controls Overview
The speaker features intuitive controls located on the top panel:
| Button/Feature | Function |
|---|---|
| Power Button | Press and hold to power on/off. |
| Mode (M) Button | Press to switch between Bluetooth, Aux-in, and TF card modes. Press and hold for 3 seconds to activate Extra Bass. |
| Light Button | Press to cycle through six vibrant lighting modes. Press and hold for 3 seconds to turn lights on/off. |
| Play/Pause Button | Play or pause audio playback. |
| Volume - / + Buttons | Press to adjust volume. |
2. Sound Features
The DOSS Extreme Boom Pro D200 delivers powerful and immersive audio:
- 120W Room-Shaking Sound (240W Peak): Equipped with dual 40W full-range drivers, twin 20W tweeters, dual passive radiators, and DSP technology, it produces rich mids, punchy lows, and sparkling highs with minimal distortion.
- Extra Bass Technology: Press and hold the Mode button for 3 seconds to activate Extra Bass, enhancing low frequencies for a thunderous musical experience. Dual passive radiators optimize airflow for stronger resonant bass.
- Beat-Synced Light Show: Immerse yourself in an exciting light show that enhances your mood and elevates your listening experience as you groove to the beat. Choose from six vibrant lighting modes that perfectly match your vibe and your favorite tunes. To turn the light modes on or off, simply press and hold the Light button for 3 seconds.

Figure 4: Internal components highlighting the 120W Thunderous Output (240W Peak) with full-range drivers, tweeters, DSP technology, and bass passive radiators.

Figure 5: Visual representation of the Extra Bass Technology, designed to deliver deep, heart-thumping bass.
Video 2: Demonstrates the Beat-Synced Light Show feature of the DOSS Extreme Boom Pro D200 speaker, showcasing various vibrant lighting modes that synchronize with the music.
3. PartySync Mode
Wirelessly link two or up to 100 D200 speakers with PartySync Mode to generate booming 360° surround sound. This feature is ideal for expanding audio coverage in large outdoor spaces.
Video 3: Shows how to activate PartySync Mode to connect multiple DOSS Extreme Boom Pro D200 speakers for synchronized audio and light effects.
Maintenance
IPX6 Waterproof Rating
The DOSS Extreme Boom Pro D200 is engineered with an IPX6 waterproof rating, meaning it can withstand powerful water jets and sudden downpours. It is suitable for use at pool parties, beach outings, and outdoor adventures.

Figure 6: The speaker is shown being splashed with water, demonstrating its IPX6 waterproof capability.
Important: While IPX6 rated, this speaker is not designed for submersion. After exposure to water, ensure the charging port cover is securely closed and allow the speaker to air dry completely before charging or using in dry conditions.
Troubleshooting
If you encounter any issues with your DOSS Extreme Boom Pro D200, please refer to the following common troubleshooting tips:
- No Power: Ensure the speaker is fully charged. Press and hold the power button for a few seconds to turn it on.
- Cannot Pair Bluetooth: Make sure the speaker is in pairing mode (flashing Bluetooth indicator). Check that Bluetooth is enabled on your device and that "Extreme Boom Pro D200" is selected. Try unpairing and re-pairing.
- No Sound: Check the volume levels on both the speaker and your connected device. Ensure the correct input mode (Bluetooth, Aux, TF card) is selected.
- Sound Distortion: Reduce the volume on both the speaker and your device. Ensure the audio source is not distorted.
- Auto-Power Off: The speaker may have an auto-power off feature to save battery. Refer to Video 1 (0:26-0:32) for instructions on how to remove or activate this feature.
- Restore Factory Settings: If issues persist, you may need to restore the speaker to its factory settings. Refer to Video 1 (0:16-0:25) for detailed instructions.
For further assistance, please contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Model Number | Extreme Boom Pro D200 |
| Product Dimensions (L x W x H) | 12.13 x 5.39 x 5.43 inches |
| Item Weight | 9.33 pounds |
| Speaker Type | 120 Watt Outdoor Bluetooth Speaker with loud bass |
| Connectivity Technology | Bluetooth 5.4, 3.5mm Aux-in, TF card |
| Color | Black |
| Batteries | 1 D battery required (included) |
| Manufacturer | Wonders Tech |
| Country of Origin | China |
Video 4: Illustrates the dimensions of the DOSS Extreme Boom Pro D200 speaker.
Warranty and Support
Your DOSS Extreme Boom Pro D200 speaker is backed by a 12-month warranty from the date of purchase, covering any quality-related concerns.
For any issues or assistance, please feel free to contact us:
- Phone: 1-833-275-3677
- Email: support@dossav.com
We are committed to providing you with 24-hour prompt assistance and support.

Figure 7: Customer support details for DOSS products, including phone and email for assistance.





