Introduction
The SoundBot SB525 is a versatile Bluetooth 4.0 wireless speaker designed for high-quality audio streaming and hands-free calling. Featuring dual 7W drivers, a passive subwoofer, and a 4000mAh rechargeable battery, it delivers robust sound for both indoor and outdoor environments. This manual provides detailed instructions for setting up, operating, and maintaining your SB525 speaker.
Package Contents
Please check the package for the following items:
- SoundBot SB525 Bluetooth 4.0 Wireless Speaker
- USB Charging Cable
- 3.5mm Audio Cable
- User Guide (this manual)

Image: USB Charging Cable. This cable is used to recharge the speaker's internal battery.
Product Overview
The SoundBot SB525 features a robust design with reinforced silicon edges for durability. It can be positioned horizontally or vertically. Key components include:
- Speaker Grille: Covers the dual 7W HD loud speakers.
- Passive Subwoofers: Located on both ends for enhanced bass.
- Control Buttons: Typically located on the top or side for power, volume, play/pause, and call management.
- LED Indicator: Displays battery level and connection status.
- Charging Port (Micro USB): For recharging the speaker.
- USB Output Port: Functions as a power bank to charge other devices.
- 3.5mm Audio AUX Port: For wired audio connection.
- Built-in Microphone: For hands-free calling.

Image: SoundBot SB525 Wireless Speaker. This shows the overall design of the speaker with its cylindrical shape and end-mounted passive subwoofers.
Setup
1. Charging the Speaker
- Connect the supplied USB charging cable to the speaker's Micro USB charging port.
- Connect the other end of the USB cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will show charging status. A full charge typically takes 4-7 hours with a 1A capacity charger.
- Once fully charged, the LED indicator will change (refer to specific LED behavior in the Operating Instructions section).
2. Bluetooth Pairing
- Ensure the speaker is fully charged.
- Press and hold the Power button to turn on the speaker. The LED indicator will flash, indicating it's in pairing mode.
- On your Bluetooth-enabled device (smartphone, tablet, laptop), go to the Bluetooth settings.
- Search for available devices and select "SB525" from the list.
- Once paired, the speaker will emit an audible confirmation, and the LED indicator will show a solid light (or slow flash, depending on model specifics).
- The speaker has a connection range of up to 33 feet.
3. Wired Connection (AUX)
- Connect one end of the supplied 3.5mm audio cable to the speaker's AUX port.
- Connect the other end to the headphone jack of your audio device.
- The speaker will automatically switch to AUX mode.
- Note: Playback time can be extended to 15 hours when using a wired connection.
Operating Instructions
Power On/Off
- Power On: Press and hold the Power button until the LED indicator lights up.
- Power Off: Press and hold the Power button until the LED indicator turns off.
Music Playback
- Play/Pause: Press the Play/Pause button once.
- Volume Up: Press the Volume Up button.
- Volume Down: Press the Volume Down button.
- Next Track: Press and hold the Volume Up button (or specific track skip button if available).
- Previous Track: Press and hold the Volume Down button (or specific track skip button if available).
Hands-Free Calling
- Answer Call: Press the Play/Pause button once when a call comes in.
- End Call: Press the Play/Pause button once during a call.
- Reject Call: Press and hold the Play/Pause button when a call comes in.
- Redial Last Number: Double-press the Play/Pause button.
Using as a Power Bank
- Connect your external device (e.g., smartphone, tablet) to the speaker's USB output port using your device's charging cable.
- The speaker's 4000mAh battery can provide backup power.
Maintenance
- Cleaning: Wipe the speaker with a soft, dry cloth. 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 first use and at least once every three months if not used regularly. Avoid completely draining the battery frequently.
- Water Resistance: The speaker is water-resistant, but it is not waterproof. Avoid submerging it in water or exposing it to heavy rain for extended periods. Ensure port covers are securely closed.
Troubleshooting
| Problem | Solution |
|---|---|
| Speaker does not turn on. | Ensure the battery is charged. Connect the speaker to a power source using the USB cable. |
| Cannot pair via Bluetooth. |
|
| No sound or distorted sound. |
|
| Speaker not charging other devices. | Ensure the speaker has sufficient charge. Use a compatible USB cable for your external device. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | SB525 |
| Bluetooth Version | 4.0 |
| Speaker Output Power | 7W + 7W (Total 14W) |
| Battery Capacity | 4000mAh Lithium-ion |
| Playback Time (Bluetooth) | Up to 12 hours |
| Playback Time (Wired) | Up to 15 hours |
| Charging Time | 4 - 7 hours (with 1A charger) |
| Connection Range | Up to 33 feet (10 meters) |
| Audio Input | Bluetooth, 3.5mm AUX |
| Microphone | Built-in for hands-free calling |
| Power Bank Function | USB output port for charging external devices |
| Water Resistance | Yes (Water-resistant, not waterproof) |
| Signal-to-Noise Ratio | ≥65db |
| Distortion | ≤0.1% |
| Product Dimensions | 7.1 x 3.2 x 3.2 inches |
| Item Weight | 2.1 pounds (approx. 953 grams) |
Warranty and Support
The SoundBot SB525 Bluetooth Wireless Speaker comes with a 1-year manufacturer warranty for purchases made from authorized resellers. Please retain your proof of purchase for warranty claims.
For technical support or warranty inquiries, please contact SoundBot customer service. Contact information can typically be found on the official SoundBot website or on your product packaging.
