Before you attempt to pair, ensure you have all the components. A typical XertMT Bluetooth speaker package includes:
Note: Most XertMT models do not include a wall power adapter. Use a standard 5V/1A or 5V/2A USB adapter (like a smartphone charger).
💡 Pro Tip: If your specific Xertmt model supports a TF (Micro SD) card, simply insert the card to play music automatically. No pairing required!
Did this guide help you get your music playing? Drop a comment below! 👇
The "XertMt" Bluetooth speaker (often identified as the KM Technology XertMt JL-28) is a compact, multi-functional portable speaker popular for its built-in RGB lighting and diverse playback options.
Below is a deep-dive manual and guide to getting the most out of your device. 1. Getting Started: Controls & Ports
Most XertMt models utilize a standard interface located either on the top or side of the unit:
Power (On/Off): Typically a toggle switch or a long-press button. A startup tone or LED flash indicates it is ready. xertmt bluetooth speaker manual
Mode Button (M): Cycles through Bluetooth, FM Radio, and Line-in (AUX) modes. Playback Buttons: Short Press +/-: Skips to the next or previous track. Long Press +/-: Increases or decreases volume. Play/Pause: Answers/ends calls or pauses music.
Ports: USB-A (for flash drives), TF/Micro SD card slot, and a Micro-USB or USB-C charging port. 2. Pairing & Connectivity To connect your smartphone or tablet:
Enter Pairing Mode: Turn the speaker on. It usually defaults to Bluetooth mode. If not, press the (M) button until you hear "Bluetooth Mode."
Search on Device: Open your phone's Bluetooth settings and look for "XertMt" or "Xtreme XBS9".
Confirm Connection: Tap to pair. A confirmation tone will play once linked.
Auto-Reconnect: The speaker will automatically try to connect to the last used device when turned on. 3. Advanced Features & "Hidden" Modes
FM Radio: Switch to Radio mode using the (M) button. Use a charging cable plugged into the charging port to act as an antenna. Long-press the Play/Pause button to auto-scan and save available stations. Before you attempt to pair, ensure you have
TWS (True Wireless Stereo): If you have two identical XertMt speakers, you can often pair them together. Turn both on in Bluetooth mode, then double-click the (M) button on one speaker. They should sync to play the same audio in stereo.
Hands-Free Calling: Use the Play/Pause button to answer incoming calls. The built-in microphone allows for speakerphone use. 4. Maintenance & Troubleshooting
The Go to product viewer dialog for this item. speaker is a well-known third-party "copy" or alternative to the JBL Xtreme series. Because it mimics the design of the original, you can use standard JBL-style controls for most operations. Basic Operations
Power On/Off: Press the Power button. You should hear a startup tone. Bluetooth Pairing: Press the Bluetooth button to enter pairing mode.
Open your device's Bluetooth settings and select the speaker (often appearing as "Xtreme" or "
Volume Control: Use the + and - buttons to adjust the sound level.
Play/Pause: Press the Play/Pause button once to stop or resume music. Charging & Battery Note: Most XertMT models do not include a
Charging Port: Typically located behind a waterproof flap. Use the included power adapter or a compatible USB cable.
Status Indicators: LED lights usually blink while charging and stay solid once fully charged.
Maintenance: To protect battery life, fully charge the speaker at least once every three months if not in regular use. Troubleshooting (Factory Reset)
If you experience connectivity issues, you can reset the speaker by following these steps: JBL (COPY) Xtreme Mini Review - XERTMT
Most Xertmt models utilize a multi-functional button layout:
Model: [Insert Model Number, e.g., XT-100] Version: 1.0