1. Introduction
This manual provides essential instructions for the safe operation, setup, and maintenance of your Dolphin SP-310RBT Triple 10-inch Rechargeable Fiesta Speaker. Please read this manual thoroughly before using the product to ensure proper function and to prevent damage.
2. Safety Information
- Do not expose the speaker to water or excessive moisture. This product is not waterproof.
- Ensure the power supply voltage matches the speaker's requirements before connecting.
- Do not open the speaker casing. Refer all servicing to qualified personnel.
- Keep the speaker away from heat sources and direct sunlight.
- Use only the provided AC adaptor for charging.
- Avoid placing heavy objects on the speaker.
3. Package Contents
Verify that all items are present in the package:
- Dolphin SP-310RBT Speaker
- AC Adaptor
- UHF Wireless Microphone
- Remote Control
- User Manual (this document)
4. Product Overview
The Dolphin SP-310RBT is a portable rechargeable speaker featuring triple 10-inch woofers, multiple connectivity options, and integrated LED lighting. It is designed for versatile audio playback and performance.

Figure 4.1: Front view of the Dolphin SP-310RBT speaker, highlighting its dimensions (44.7" H x 18.1" W x 18.5" D), integrated handle, wheels for transport, and included wireless microphone.
The speaker includes a built-in rechargeable battery, a telescoping antenna for FM radio, and a control panel for managing audio inputs and settings.

Figure 4.2: Rear view of the Dolphin SP-310RBT speaker, displaying the main control panel with various input ports and adjustment knobs.
5. Setup
5.1 Initial Charging
- Connect the provided AC adaptor to the speaker's power input port.
- Plug the AC adaptor into a standard electrical outlet.
- Allow the speaker to charge fully before first use. The LED indicator display will show charging status.
5.2 Powering On/Off
- To power on, locate the power switch on the control panel and set it to the "ON" position.
- To power off, set the power switch to the "OFF" position.
5.3 Connecting the Wireless Microphone
- Ensure the speaker is powered on.
- Turn on the UHF wireless microphone. It should automatically pair with the speaker.
- Adjust the microphone volume and echo controls on the speaker's control panel as needed.
6. Operating Instructions
The SP-310RBT offers various input modes and controls for a comprehensive audio experience. Refer to the control panel image for component identification.

Figure 6.1: Close-up of the SP-310RBT control panel, showing inputs for microphone, guitar, USB, TF card, AUX, and controls for volume, treble, bass, and echo.
6.1 Bluetooth Connectivity
- Power on the speaker. The LED display will indicate "BLUE" or "BT" mode. If not, press the Mode button to select Bluetooth.
- Enable Bluetooth on your mobile device (smartphone, tablet, etc.).
- Search for available devices and select "Dolphin SP-310RBT" to pair.
- Once paired, you can stream audio wirelessly from your device to the speaker.
6.2 USB and TF Card Playback
- Insert a USB drive or TF (Micro SD) card containing MP3 audio files into the respective port on the control panel.
- The speaker will automatically switch to USB/TF mode and begin playing audio.
- Use the playback controls (Play/Pause, Next/Previous Track) on the speaker or remote control.
6.3 FM Radio
- Extend the telescoping antenna for optimal signal reception.
- Press the Mode button to select FM radio mode.
- Press the Play/Pause button to auto-scan and save available FM stations.
- Use the Next/Previous Track buttons to navigate through saved stations.
6.4 AUX Input
- Connect an external audio device (e.g., MP3 player, laptop) to the 3.5mm AUX input jack using a compatible audio cable (not included).
- Press the Mode button to select AUX input.
- Control playback and volume from your connected device.
6.5 Microphone and Guitar Inputs
- Connect a wired microphone to the 1/4" microphone jack. Adjust the microphone volume and echo controls.
- Connect a guitar to the 1/4" guitar jack. Adjust the guitar volume control.
6.6 Audio Controls
- Volume Control: Adjusts the overall output volume of the speaker.
- Treble Control: Adjusts the high-frequency response of the audio.
- Bass Control: Adjusts the low-frequency response of the audio.
- Echo Control: Adds an echo effect to the microphone input.
6.7 LED Woofer Lights
The speaker features sound-activated multi-colored LED woofer lights and strobe lights that synchronize with the music. These lights enhance the visual experience during audio playback.
Video 6.1: Demonstration of the sound-activated multi-colored LED woofer lights and strobe lights on the Dolphin SP-310RBT speaker.
7. Maintenance
7.1 Cleaning
- Disconnect the speaker from the power source before cleaning.
- Use a soft, dry cloth to wipe the exterior surfaces.
- Do not use liquid cleaners, aerosols, or abrasive materials.
7.2 Battery Care
- To prolong battery life, fully charge the speaker after each use.
- If storing the speaker for an extended period, charge it every 3 months to maintain battery health.
- Avoid completely draining the battery frequently.

Figure 7.1: The Dolphin SP-310RBT speaker, illustrating its extended battery life with a 9000 mAh lead-acid battery and 100 RMS Watts power output.
7.3 Storage
- Store the speaker in a cool, dry place, away from direct sunlight and extreme temperatures.
- Ensure the speaker is powered off before storing.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery drained; Power switch off; AC adaptor not connected | Charge the battery; Turn on the power switch; Connect the AC adaptor securely |
| No sound | Volume too low; Incorrect input mode; Device not connected properly | Increase volume; Select correct input mode (Bluetooth, AUX, USB, FM); Reconnect device |
| Bluetooth not pairing | Speaker not in Bluetooth mode; Device too far; Bluetooth disabled on device | Ensure speaker is in Bluetooth mode; Move device closer; Enable Bluetooth on your device |
| Microphone not working | Microphone off; Volume too low; Battery drained (wireless mic) | Turn on microphone; Increase microphone volume; Check/replace microphone batteries |
| FM radio static | Antenna not extended; Weak signal | Extend the telescoping antenna fully; Try repositioning the speaker |
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | SP-310RBT |
| Speaker Type | Portable Bluetooth Speaker |
| Woofer Diameter | Triple 10 Inches |
| Power Source | Battery Powered (9000mAh 12V Lead-Acid) |
| Speaker Maximum Output Power | 120 Watts |
| Connectivity Technology | Bluetooth, USB, TF, FM, AUX |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Range | 10 Meters |
| Input Voltage | 12 Volts |
| Product Dimensions | 18"D x 18"W x 44"H |
| Item Weight | 45.6 pounds |
| Included Components | AC Adaptor, UHF Wireless Microphone, Remote Control |
| Special Features | Bass Boost, Sound-activated LED lights, Handle and Wheels |
10. Warranty and Support
10.1 Warranty Information
The Dolphin SP-310RBT speaker comes with a Limited Warranty. Please refer to the warranty card included in your package or contact Dolphin customer support for detailed terms and conditions.
10.2 Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact Dolphin customer support. Contact information can typically be found on the manufacturer's website or on the product packaging.