1. Introduction
The Zoook Rocker Thunder XL is a 50-watt trolley karaoke Bluetooth party speaker designed for portable audio entertainment. It features multiple connectivity options, a built-in amplifier, and a wireless microphone for karaoke. This manual provides instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance of your speaker.

Figure 1: Zoook Rocker Thunder XL Speaker with Accessories
2. Package Contents
Ensure all items are present in the package:
- Thunder XL Bluetooth Speaker
- 1 x 9V 1A Charging Adapter
- Wireless Microphone
- User Manual (this document)
- Remote Control
3. Product Overview
The Zoook Rocker Thunder XL features a robust design with an integrated trolley for easy transport. The control panel provides access to various functions and adjustments.

Figure 2: Control Panel Layout
Control Panel Features:
- AUX Input: For connecting external audio devices via a 3.5mm cable.
- Micro SD Slot: For playing music from a TF card.
- USB Port: For playing music from a USB drive.
- Mode Button: To switch between input modes (Bluetooth, USB, TF, AUX, FM).
- Playback Controls: Play/Pause, Next/Previous Track, Repeat.
- REC/PRO Button: For one-click recording.
- Battery Indicator: Red (charging), Blue (full).
- Input 9V: Power input for charging.
- Mic/Karaoke Input: For connecting a wired microphone or the wireless microphone receiver.
- LED Switch: To turn the flashing DJ lights on or off.
- Power Switch: To turn the speaker on or off.
- Knobs: ECHO, MIC.VOL (Microphone Volume), BASS, TREBLE, VOLUME (Master Volume).

Figure 3: Integrated Trolley Handle
4. Setup
4.1 Charging the Battery
Before first use, fully charge the speaker. Connect the provided 9V 1A charging adapter to the 'Input 9V' port on the control panel and plug it into a power outlet. The battery indicator will show red while charging and turn blue when fully charged. A full charge typically provides up to 6 hours of playback time.
4.2 Powering On/Off
Locate the 'POWER' switch on the control panel. Flip the switch to 'ON' to power on the speaker. Flip it to 'OFF' to power off the speaker.
4.3 Connecting the Wireless Microphone
The speaker comes with a wireless microphone. Ensure the microphone has batteries installed. Turn on the microphone. The speaker should automatically detect and connect to the wireless microphone. Adjust the 'MIC.VOL' and 'ECHO' knobs on the control panel for desired microphone sound.
4.4 Bluetooth Pairing
- Power on the speaker.
- Press the 'MODE' button until the display shows 'BLUE' or 'BT'.
- Enable Bluetooth on your smart device (phone, tablet, etc.).
- Search for 'Zoook Rocker Thunder XL' in the list of available devices.
- Select the speaker to pair. A confirmation tone will sound upon successful pairing.
4.5 Using the Remote Control
The included remote control allows you to manage playback, volume, and other functions wirelessly. Ensure the remote has working batteries. Point the remote towards the speaker's control panel for optimal response.

Figure 4: Remote Control
5. Operating Modes
5.1 Bluetooth Mode
Once paired (refer to Section 4.4), you can stream audio wirelessly from your device. Use the speaker's playback controls or your device to manage music.
5.2 USB/TF Card Playback
Insert a USB drive into the 'USB' port or a TF card into the 'Micro SD' slot. The speaker will automatically switch to the respective mode and begin playing audio files. Use the playback controls on the speaker or remote to navigate tracks.
5.3 AUX Input
Connect an external audio device (e.g., MP3 player, laptop) to the 'AUX' input using a 3.5mm audio cable. Press the 'MODE' button until 'AUX' is displayed. Audio will play from the connected device.
5.4 FM Radio
Press the 'MODE' button until 'FM' is displayed. The speaker will automatically scan and save available FM radio stations. Use the Next/Previous track buttons to switch between saved stations.
5.5 Karaoke Function
Connect the wireless microphone or a wired microphone to the 'Mic/Karaoke' input. Adjust the 'MIC.VOL' knob to control the microphone's volume. Use the 'ECHO' knob to add an echo effect to your vocals.
5.6 One-Click Recording
To record your karaoke performance or audio from the microphone, press the 'REC/PRO' button. The recording will be saved to the inserted USB drive or TF card.
5.7 DJ Lights
The speaker features flashing DJ lights. Use the 'LED' switch on the control panel to turn these lights on or off according to your preference.
Video 1: Zoook Rocker Thunder XL Product Features Overview. This video demonstrates the speaker's key features including portability, DJ lights, rich bass, karaoke function, echo control, multiple connectivity, FM radio, 50W output, built-in amplifier, Bluetooth compatibility, rechargeable battery, and remote control.
6. Maintenance
6.1 General Care
Clean the speaker with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners. Keep the speaker away from extreme temperatures and direct sunlight.
6.2 Battery Care
To prolong battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in use for extended periods. Store the speaker in a cool, dry place when not in use.
7. Troubleshooting
- No Sound from Microphone: Ensure the wireless microphone is powered on and paired. Check the 'MIC.VOL' knob and increase its level. Also, ensure the 'ECHO' knob is not set to minimum if you expect an echo effect.
- Bluetooth Connectivity Issues: Ensure the speaker is in Bluetooth mode and within range of your device. Disconnect and re-pair the device if issues persist.
- Recording Not Working: Ensure a compatible USB drive or TF card is inserted and has sufficient free space.
- Speaker Not Charging: Verify the charging adapter is correctly connected to both the speaker and a working power outlet. Check the charging adapter for any damage.
- Distorted Audio: Reduce the volume on both the speaker and the connected audio source. Ensure audio cables are securely connected.
Video 2: Zoook Rocker Thunder XL Product Demonstration. This video provides a visual demonstration of the speaker's features and controls, including the trolley handle, control panel, and microphone usage.
8. Specifications
| Feature | Specification |
|---|---|
| Model | Zoook Rocker Thunder XL |
| Speakers Maximum Output Power | 50 Watts |
| Item Weight | 3.2 kg |
| Product Dimensions | 39 x 22 x 14 cm |
| Power Source | Battery Powered (DC9V1.5A Adapter) |
| Battery Type | Lithium Ion (rechargeable) |
| Battery Average Life | 6 Hours |
| Connectivity Technology | AUX, Bluetooth, USB, Wireless |
| Audio Input | AUX, USB |
| Special Features | Remote Control, Flashing DJ Lights, Karaoke, One-Click Recording, FM Radio, Integrated Trolley |
| Mounting Type | Floor Standing |
| Compatible Devices | iPhone, iPod, most Android devices |
9. Warranty and Support
9.1 Warranty Information
The Zoook Rocker Thunder XL comes with a 1-year manufacturer's warranty from the date of purchase. Please retain your purchase receipt as proof of warranty.
9.2 Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact Zoook customer support through their official website or the contact information provided in your product packaging.





