Soundcore Boom 2 (A3138) Manual
At a Glance
- Power Button
- Bluetooth Button
- Volume down Button
- Play/Pause Button
- Volume Up Button
- PartyCast Button
- BassUp Button
- LED Light
- USB-A Charing Port (Output)
- USB-C Charing Port (Input)
- Handle
Charging
Charging Your Speaker
Use a certified USB-C cable and charger to prevent any damage.
 | Flashing Red | Low Battery |
 | Steady Red | Being Charged |
 | Steady White | Fully Charged |
Charging External Devices
Use this speaker as a power bank to charge your portable devices or accessories.
Powering On / Off
 | Press or Press and Hold for 2 Seconds | Power On |
| | Steady White | |
| | Press and Hold for 2 Seconds | Power Off |
 | Light Off |
- This speaker will automatically power off after 20 minutes of no audio input.
- You can also set an auto-power-off time in the soundcore APP.
Using Your Speaker
Bluetooth Mode
Press the Bluetooth button to enter Bluetooth pairing mode, then select "soundcore Boom 2 " from the Bluetooth list to connect.
 | Press | Enter Bluetooth Pairing Mode |
 | Flashing Blue | Bluetooth Pairing |
 | Steady Blue | Bluetooth Connected |
- To re-enter Bluetooth pairing mode, press the Bluetooth button once.
- This speaker can only play music on one mobile device at a time. To play from another connected device, pause the device that's currently active first.
- Each time you power on your speaker, it will automatically connect to your last connected device if available within the Bluetooth range. If not, press the Bluetooth button to enter Bluetooth pairing mode.
TWS (True Wireless Stereo) Mode
Two identical soundcore speakers can pair with each other for stereo sound. Both speakers can play the same audio (one as the left channel and the other as the right channel).
With one speaker connected to a smartphone, press and hold the Bluetooth button for 2 seconds on two speakers to enter TWS pairing mode.
| | Press and Hold for 2 Seconds | Enter / Exit TWS Pairing Mode |
 | Flashing White | TWS Pairing |
 | Steady Blue (Speaker 1) | TWS Connected |
| | Steady White (Speaker 2) |
To exit TWS mode, press and hold the Bluetooth button for at least 2 seconds.
PartyCast Mode
With one speaker connected to a smartphone, press the PartyCast button on up to 100 soundcore speakers with PartyCast function to synchronize audio and light.
 | Press | Enter / Exit PartyCast Pairing Mode |
| Steady White | PartyCast Pairing |
| Steady White | PartyCast Connected |
soundcore speakers with PartyCast function can also be connected with this speaker.
Light Modes
The LED lights at both sides change with the rhythm of the music. Check all available light modes in the soundcore app.
 | Press Twice | Turn Light On/Off |
| Press and Hold for 2 Seconds | Switch Light Effects |
Button Controls
 | Press or Press and Hold for 2 Seconds | Power On |
| Press and Hold for 2 Seconds | Power Off | |
 | Press | Enter Bluetooth Pairing Mode |
| Press and Hold for 2 Seconds | Enter / Exit TWS Pairing Mode | |
 | Press | Volume Up / Down |
 | Press | Enter / Exit PartyCast Pairing Mode |
 | Press | Turn BassUp On / Off |
| Press Twice | Turn Light On/Off | |
| Press and Hold for 2 Seconds | Switch Light Effects | |
 | Press | Play / Pause |
| Press Twice | Next Track | |
| Press Three Times | Previous Track | |
| Press | Answer / End a Call | |
| Press and Hold for 2 Seconds | Reject a Call | |
| Press and Hold for 2 Seconds | Activate Voice Assistant Software |
soundcore App
Download the soundcore app to enhance your experience.
Product information: Check the product name and software version, or read the user manual.
Firmware update: You will be informed once a new version of firmware is detected when you connect the speaker with the app.
Battery status: Indicates the remaining battery level of your speaker.
Volume control: Adjust the volume level via the app without pressing the buttons on the speaker.
EQ settings: There are various preset EQ settings you can choose from in the app to optimise your experience while enjoying different music genres.
- soundcore Signature: Standard EQ mode optimised for well-balanced sound.
- Voice: Voices stand out more clearly from other ambient sounds.
- Balance: No enhancement for high-frequency and low-frequency sounds.
- Treble Boost: High frequencies are enhanced.
Set auto-power-off time: Set an auto-power-off time. The speaker will automatically power off when the time is up.
Voice prompt: Mute or restore the voice prompt while powering on/off.
Reset
Press and hold the Bluetooth button and volume up button simultaneously for at least 4 seconds to reset the speaker.
Specifications
| DC Power Input | 5V  3A |
| DC Output | 5V  1A |
| Battery Capacity | 4900mAh/7.3V |
| Audio Output Power | Up to 80W |
| Speaker Driver | 20mm Tweeter x2 90x120mm Woofer |
| Frequency Response | 45Hz-20kHz |
| Charging Time | 5.5 Hours |
| Play Time (varies by volume level and music content) | Up to 24 Hours |
| Waterproof Level | IPX7 |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 100m / 328ft |
References
Download manual
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
Download Soundcore Boom 2 (A3138) Manual
