Introduction
This manual provides essential instructions for the safe and efficient operation of your Dolphin BoxParty 1500 Portable Bluetooth Speaker. Please read this manual thoroughly before using the product and retain it for future reference.

Image: The Dolphin BoxParty 1500 speaker, showcasing its front panel with illuminated woofer, alongside the wired microphone and remote control.
Safety Information
Always follow basic safety precautions when using this product to reduce the risk of fire, electric shock, and injury.
- Do not expose the speaker to rain or moisture.
- Do not open the speaker enclosure; refer servicing to qualified personnel.
- Keep the speaker away from heat sources and direct sunlight.
- Ensure proper ventilation and do not block any ventilation openings.
- Use only attachments/accessories specified by the manufacturer.
Package Contents
Verify that all items are present in the package:
- Dolphin BoxParty 1500 Portable Bluetooth Speaker
- Remote Control
- Wired Karaoke Microphone
- Power Adapter/Charging Cable
- User Manual (this document)
Setup
1. Charging the Speaker
Before first use, fully charge the speaker. Connect the provided power adapter to the DC 12V input port on the rear panel of the speaker and plug it into a power outlet. The charging indicator light will illuminate. Once fully charged, the light may change color or turn off, depending on the model.

Image: The Dolphin BoxParty 1500 speaker highlighting its built-in 7000 mAh rechargeable battery for extended use.
2. Initial Power On
Locate the POWER switch on the control panel or rear panel. Switch it to the "ON" position. The display will light up, indicating the speaker is ready for use.
3. Positioning the Speaker
The BoxParty 1500 features a trolley handle and wheels for easy portability. Extend the handle and tilt the speaker to roll it to your desired location. For stationary use, ensure the speaker is placed on a stable, flat surface.

Image: Rear view of the Dolphin BoxParty 1500, illustrating the extendable trolley handle, integrated wheels for transport, and the telescoping antenna for radio reception.
Operating Instructions
1. Control Panel Overview
The main control panel is located on the top of the speaker. It includes various inputs, volume controls, and an equalizer.

Image: Detailed view of the Dolphin BoxParty 1500 control panel, highlighting various connectivity options such as Bluetooth, USB, 3.5mm AUX, microphone inputs, FM radio, and the 5-band equalizer for sound customization.
2. Bluetooth Connection
- Turn on the speaker.
- Press the "MODE" button until "BLUE" appears on the display, indicating Bluetooth mode.
- Enable Bluetooth on your mobile device (smartphone, tablet, etc.).
- Search for "Dolphin SP-1500RBT" in your device's Bluetooth list and select it to pair.
- Once paired, the speaker will emit a confirmation tone, and you can begin playing audio wirelessly.
3. FM Radio Operation
- Press the "MODE" button to select FM radio mode.
- Extend the telescoping antenna on the rear panel for better reception.
- Press the "SCAN" button to automatically scan and save available FM stations.
- Use the "PREV" and "NEXT" buttons to navigate between saved stations.
4. USB/SD Card Playback
- Insert a USB flash drive or SD/TF card (with MP3 files) into the corresponding slot on the control panel.
- The speaker will automatically switch to USB/SD mode and begin playing audio. If not, press the "MODE" button to select it.
- Use the "PREV", "NEXT", and "PLAY/PAUSE" buttons to control playback.
5. AUX Input
- Connect an external audio device (e.g., MP3 player, laptop) to the "AUX IN" port using a 3.5mm audio cable.
- Press the "MODE" button to select AUX mode.
- Control playback and volume from your connected device.
6. Microphone Usage
- Connect the wired microphone to one of the "MIC IN" jacks on the control panel.
- Adjust the "MIC VOL" knob to control the microphone volume.
- Use the "M.ECHO" knob to add an echo effect to your voice.
7. Sound Activated Lights
The speaker features multi-color LED lights that pulsate with the music. These lights are automatically activated when audio is playing. There is no separate control for these lights.
8. WaveSync Technology (TWS Pairing)
To wirelessly connect two Dolphin SP-1500RBT speakers for a stereo experience:
- Ensure both speakers are powered on and in Bluetooth mode.
- On one speaker (this will be the primary speaker), press and hold the "WAVESYNC" button.
- The primary speaker will search for the secondary speaker. Once connected, both speakers will emit a confirmation tone.
- Pair your mobile device to the primary speaker via Bluetooth as described in step 2. Audio will now play through both speakers in stereo.
9. Sound Adjustment (Equalizer and X-Bass)
Use the 5-band graphic equalizer on the control panel to fine-tune the audio frequencies. Adjust the sliders to boost or cut specific frequency ranges (e.g., 200Hz, 500Hz, 1KHz, 5KHz, 12KHz). The "X-BASS" control provides an additional bass boost.

Image: A close-up of the Dolphin BoxParty 1500's control panel, illustrating the 5-band equalizer for custom sound tuning and other audio adjustment knobs.
Maintenance
1. Cleaning
Wipe the speaker's exterior with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents. Ensure no liquids enter the speaker's openings.
2. Battery Care
- To prolong battery life, fully charge the speaker before storing it for extended periods.
- Recharge the battery at least once every 3 months if not in regular use.
- Avoid completely draining the battery frequently.
3. Storage
Store the speaker in a cool, dry place, away from direct sunlight and extreme temperatures. Protect it from dust and moisture.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery is depleted; Power switch is off. | Charge the speaker; Ensure the POWER switch is in the "ON" position. |
| No sound | Volume is too low; Incorrect input mode selected; Device not connected properly. | Increase the speaker's volume; Select the correct input mode (Bluetooth, AUX, USB/SD); Reconnect your device. |
| Bluetooth pairing fails | Speaker not in pairing mode; Device too far; Interference. | Ensure speaker is in Bluetooth mode; Move device closer to speaker; Turn off other Bluetooth devices. |
| FM radio static | Weak signal; Antenna not extended. | Extend the telescoping antenna fully; Try repositioning the speaker for better reception. |
| Microphone not working | Microphone not connected; MIC VOL is too low. | Ensure microphone is securely plugged into MIC IN; Increase MIC VOL. |
| Speaker unexpectedly shuts off | Low battery; Overheating. | Charge the speaker; Ensure adequate ventilation around the speaker. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | SP-1500RBT |
| Brand | Dolphin |
| Mounting Type | Floor Standing |
| Material | Plastic Or Metal |
| Speaker Type | Woofer |
| Special Feature | Portable |
| Recommended Uses | For Smartphones or Tablets |
| Compatible Devices | Smartphone, Tablet |
| Subwoofer Diameter | 8 Inches |
| Woofer Diameter | 15 Inches |
| Surround Sound Channel Configuration | 2.0 |
| Color | Black, Blue |
| Included Components | Remote Control, One Wire Karaoke Microphone |
| Product Dimensions (D x W x H) | 17.5"D x 29.4"W x 15.6"H |
| Item Weight | 14.5 Kilograms (31.9 pounds) |
| Is Waterproof | FALSE |
| Water Resistance Level | Not Water Resistant |
| Control Method | Remote |
| Wireless Communication Technology | Bluetooth |
| Power Source | Battery Powered |
| Number of Batteries | 1 12V battery required (included) |
| Battery Capacity | 7000 mAh |
| Audio Driver Type | Dynamic Driver |
| Bluetooth Range | 10 Meters |
| Speaker Maximum Output Power | 140 Watts |
| Frequency Response | 80 Hz |
| Connectivity Technology | Auxiliary, Bluetooth, USB |
| Audio Output Mode | Stereo |
| UPC | 682055446776 |
| Date First Available | November 12, 2018 |

Image: The Dolphin BoxParty 1500 speaker with its key dimensions (height, width, depth) clearly indicated.
Warranty Information
This product comes with a limited warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty card included in your product packaging or visit the official Dolphin website.
Support
If you encounter any issues not covered in the troubleshooting section or require further assistance, please contact Dolphin customer support or the retailer where you purchased the product. You may find additional resources and contact information on the official Dolphin website: Dolphin Brand Store.





