How to Set Up TWS on Your Rockville PLX12 Speakers

Introduction

This guide explains how to set up TWS (True Wireless Stereo) on your Rockville PLX12 speakers. TWS allows two PLX12 speakers to connect wirelessly so you can play Bluetooth audio through both speakers at the same time.

The setup process is simple and beginner-friendly, even if you have no prior audio experience.

What You’ll Need

• Two Rockville PLX12 speakers 
• A Bluetooth-enabled smartphone, tablet, or music device 
• Power connections for both speakers 

Important Note

TWS only works with Bluetooth audio playback.

TWS does not work with:

• Wired microphones 
• Instruments 
• AUX connections 
• Other analog audio inputs 

What Is TWS?

TWS stands for True Wireless Stereo.

This feature allows:

• One Bluetooth device to connect wirelessly to two PLX12 speakers 
• Audio playback through both speakers simultaneously 
• A cleaner setup without audio cables between speakers 

Step-by-Step TWS Setup

Step 1: Power On Both Speakers

1. Connect both PLX12 speakers to power. 
2. Turn both speakers on. 

Step 2: Open the DSP Menu

On both speakers:

1. Press the DSP control knob. 
2. The DSP menu will appear on the display. 

Step 3: Open the Setup Menu

1. Rotate the knob to highlight “Setup”. 
2. Press the knob to enter the menu. 

Step 4: Open the Bluetooth Menu

1. Rotate the knob to “Bluetooth”. 
2. Press the knob to enter the Bluetooth menu. 

Step 5: Turn Bluetooth On

On both speakers:

1. Select Bluetooth. 
2. Press the knob until the display shows: 
   • “Bluetooth On” 

Repeat this process for the second speaker.

Step 6: Start TWS Pairing

1. On only one speaker, scroll down to: 
   • “TWS Pairing” 
2. Press the knob to begin pairing. 

The two speakers will now connect wirelessly.

Step 7: Confirm TWS Connection

You will know the speakers are successfully paired when:

• The letter “C” flashes above the Bluetooth icon 
• A solid “S” appears below the Bluetooth icon 

Once your Bluetooth device connects, the “C” indicator will remain solid.

Step 8: Connect Your Bluetooth Device

1. Open Bluetooth settings on your phone or device. 
2. Search for: 
   • “PLX12” 
3. Select the speaker to pair. 

Your Bluetooth audio will now play through both speakers.

Step 9: Adjust Speaker Volume

1. Raise the Channel One volume on both speakers. 
2. Adjust volume levels as needed. 

This controls the Bluetooth playback level for each speaker.

Understanding the TWS Indicators

Flashing “C” Indicator

• Indicates the speaker is searching or pairing 

Solid “C” Indicator

• Indicates a Bluetooth device is connected 

Solid “S” Indicator

• Indicates TWS connection between speakers is active 

Troubleshooting & FAQs

The Speakers Will Not Pair Together

Solutions

• Make sure Bluetooth is turned on for both speakers 
• Start TWS Pairing from only one speaker 
• Restart both speakers and try again 
• Keep the speakers close together during pairing 

My Phone Cannot Find the Speaker

Solutions

• Confirm Bluetooth is enabled on the speaker 
• Search for “PLX12” in your Bluetooth settings 
• Turn Bluetooth off and back on again on your phone 
• Restart the speaker if necessary 

Audio Only Plays Through One Speaker

Solutions

• Verify TWS pairing completed successfully 
• Check for the solid “S” indicator 
• Raise Channel One volume on both speakers 
• Disconnect and reconnect Bluetooth 

TWS Is Not Working with My Microphone or Instrument

TWS only supports Bluetooth audio playback.

It does not support:

• Wired microphones 
• Instruments 
• AUX inputs 
• Analog audio sources 

For wired audio devices, use XLR or AUX connections instead.

Tips for Best Performance

• Keep both speakers within wireless range of each other 
• Avoid obstacles between the speakers 
• Keep your Bluetooth device nearby for stable playback 
• Adjust DSP presets for your listening environment 

Conclusion

The TWS feature on the Rockville PLX12 makes it easy to create a wireless stereo setup using two PLX12 speakers. With Bluetooth pairing and wireless speaker linking, you can quickly build a clean and convenient audio system for parties, events, and music playback.