Introduction
Thank you for choosing the Dolphin SP-210RBT Bluetooth Party Speaker. This manual provides essential information for the safe and optimal operation of your new sound system. Please read it thoroughly before use and retain it for future reference.
The SP-210RBT is designed to deliver powerful, high-fidelity audio with dynamic visual effects, making it perfect for parties, outdoor gatherings, and karaoke. Its robust construction, long-lasting battery, and portable design ensure entertainment wherever you go.
Package Contents
- Dolphin SP-210RBT Party Speaker
- Wireless Microphone
- Remote Control
- AC Adaptor
- Auxiliary Cable
Setup
Unpacking and Placement
Carefully remove all components from the packaging. Place the speaker on a stable, flat surface. Ensure adequate ventilation around the unit. The integrated trolley handle and wheels allow for easy repositioning.

Image: The Dolphin SP-210RBT speaker, showcasing its front panel with dual woofers and neon LED lights. Included accessories like the remote control, wired microphone, and audio cables are visible next to it. This image illustrates the main unit and its essential components.
Charging the Battery
Before first use, fully charge the speaker's internal 12V 7A rechargeable battery. Connect the supplied AC adaptor to the speaker's DC IN port and then to a standard wall outlet. The charging indicator will illuminate. Charging time may vary, but typically takes several hours for a full charge. A full charge provides approximately 7 hours of playback.

Image: A graphic emphasizing the speaker's long-lasting battery, with a large battery icon and a lightning bolt symbol, indicating extended playtime.
Operating Instructions
Power On/Off
Locate the Power switch on the rear panel of the speaker. Flip the switch to the 'ON' position to power on the unit. The display will light up. To power off, flip the switch to the 'OFF' position.

Image: The rear control panel of the Dolphin SP-210RBT speaker, highlighting the various connectivity options such as USB, SD card slot, Aux-in, microphone inputs, and equalizer controls. This view is crucial for understanding how to connect devices.
Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth mode. The display will show "BLUE" or a Bluetooth icon.
- On your mobile device, enable Bluetooth and search for available devices.
- Select "Dolphin SP-210RBT" from the list.
- Once paired, the speaker will emit a confirmation tone. You can now stream audio from your device.
USB/SD Card Playback
Insert a USB flash drive or SD card (up to 32GB, formatted to FAT32) containing MP3 audio files into the respective port on the rear panel. The speaker will automatically switch to USB/SD mode and begin playback. Use the control buttons on the speaker or remote to navigate tracks and adjust volume.
Aux-in Connection
Connect an external audio device (e.g., smartphone, MP3 player) to the AUX IN port on the rear panel using the provided auxiliary cable. The speaker will automatically switch to AUX mode. Control playback and volume from your connected device.
Microphone Usage
Connect the wireless microphone receiver (if applicable) or a wired microphone to the MIC IN port. Adjust the microphone volume using the dedicated MIC VOL knob. The ECHO knob can be used to add an echo effect to the microphone audio.
LED Light Modes
The speaker features dynamic neon LED lights. Use the LIGHT button on the rear panel or remote control to cycle through various lighting modes or turn them off. The lights are designed to sync with the music for an immersive experience.

Image: The Dolphin SP-210RBT speaker positioned outdoors at night, with its neon LED lights brightly illuminating the dual woofers, creating an engaging visual effect.
X-Bass Control
Activate the X-Bass feature for enhanced bass response. This function can be controlled via a dedicated button on the speaker's control panel or the remote control, providing deeper and more impactful low frequencies.
WaveSync (Pairing Two Speakers)
The SP-210RBT supports WaveSync technology, allowing you to wirelessly pair two compatible speakers for a true stereo sound experience and double the power output. Refer to the specific WaveSync pairing instructions in the full user manual for detailed steps.

Image: Two Dolphin SP-210RBT speakers shown side-by-side, with a graphic indicating wireless pairing and the phrase "Double The Power," illustrating the WaveSync feature.
Maintenance
Cleaning
To clean the speaker, use a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish. Avoid spraying liquids directly onto the speaker.
Battery Care
To prolong battery life, avoid fully discharging the battery frequently. Recharge the speaker regularly, even if not in use, to maintain battery health. If storing for an extended period, charge the battery to approximately 50% and recharge every 3-6 months.
Storage
Store the speaker in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. Ensure the speaker is powered off before storage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery depleted; Power switch off; AC adaptor not connected | Charge the battery; Turn power switch ON; Ensure AC adaptor is securely connected |
| No sound | Volume too low; Incorrect input mode; Device not connected properly | Increase volume; Select correct input mode (Bluetooth, USB, AUX); Reconnect device |
| Bluetooth pairing issues | Speaker not in pairing mode; Device too far; Interference | Ensure speaker is in Bluetooth mode; Move device closer; Turn off other Bluetooth devices |
| Microphone not working | Microphone volume low; Microphone not connected; Battery low (wireless mic) | Increase MIC VOL; Ensure microphone is securely connected; Replace wireless mic batteries |
| LED lights not functioning | Lights turned off; Malfunction | Press the LIGHT button to cycle modes; Contact support if issue persists |
Specifications
- Model Name: SP-210RBT
- Input Voltage: 12 Volts
- Speaker Type: Woofer, Tweeter
- Woofer Diameter: Dual 10 Inches
- Tweeter Diameter: 1 Inch
- Material: ABS Plastic
- Connectivity Technology: Bluetooth, Auxiliary, USB
- Bluetooth Range: Up to 10 Meters (33 feet)
- Battery Type: 1 Lithium Ion (included)
- Battery Capacity: 7000 Milliamp Hours (12V 7A)
- Battery Life: Approximately 7 Hours
- Speaker Maximum Output Power: 2400 Watts
- Frequency Response: 20000 Hz
- Impedance: 4 Ohm
- Product Dimensions: 12"D x 14"W x 29"H
- Item Weight: 14 Kilograms (30.8 pounds)
- Special Features: Bass Boost, Display, Hi Res Audio, USB Port, MP3 Player, Neon LED Lights, Trolley & Wheels
- Included Components: AC Adaptor, Wireless Microphone, Remote Control
- Is Waterproof: FALSE
Warranty and Support
For warranty information, please contact the seller directly. The warranty type is "Contact Seller."
For additional support or to download the full user manual in PDF format, please visit the following link: Dolphin SP-210RBT User Manual (PDF)





