GSP-5500 Series – General Troubleshooting Guide
Gemini GSP-5500 Series – General Troubleshooting Guide
The Gemini GSP-5500 Series includes two high-powered active PA speakers: the GSP-5500 and the GSP-L5500PK. Both models deliver 2200 watts of peak power, Bluetooth® streaming with TWS pairing, and versatile input options. The L5500PK adds multi-mode LED party lighting and includes a speaker stand.
This guide covers common issues and quick solutions for both models.
No Sound or Low Volume
Quick Fix:
- Ensure the speaker is powered on and connected to a working outlet.
- Check the master volume and individual channel gain knobs.
- Confirm your input source (Bluetooth, AUX, USB, SD, etc.) is active and playing.
- If using Bluetooth, verify your device is connected to “GSP Series”.
- If the Clip LED is lit, reduce volume to avoid distortion.
Bluetooth Pairing Problems
Quick Fix:
- Press the SOURCE button to enter Bluetooth mode.
- On your device, select “GSP Series” from the Bluetooth list.
- No PIN is required. A confirmation tone will play once connected.
- For TWS pairing, press the TWS LINK button on both speakers. The display will flash “Link” until connected.
- Ensure both units are powered on and within range.
LED Lighting Not Working (GSP-L5500PK only)
Quick Fix:
- Press the LED PARTY LIGHTING button to cycle through lighting modes.
- Use the Color button to change colors or hold to return to random mode.
- If lights don’t respond, check power connection and ensure the speaker is not in standby mode.
USB Media Playback Issues
Quick Fix:
- Confirm the USB device is properly inserted and formatted to FAT32.
- Use the SOURCE button to switch to USB mode.
- Use the Play/Pause, Back, and Forward buttons to control playback.
- Supported formats: MP3 and WMA.
Mixer or Input Not Working
Quick Fix:
- Check that the correct input type is selected (Mic/Line).
- Inspect cables and connectors for damage.
- Adjust individual channel gain knobs.
- Ensure the source device is powered and outputting signal.
Speaker Stand Issues (GSP-L5500PK only)
Quick Fix:
- Ensure the stand is fully opened and tightened before mounting.
- Do not exceed the recommended height of 55 inches.
- Always remove the speaker before adjusting or moving the stand.
Need More Help?
If you’ve tried the steps above and still need assistance, contact Gemini Support:
Phone: 732-346-0061
Email: support@geminisound.com
Web: support.geminisound.com