2Boom BX390 Wireless Speaker System

Introduction

For correct operation, please read this manual carefully before using. 2Boom is not responsible for consequences caused by fault or oversight in this manual.

Features

• 2.1 outdoor Passive HIFI Bluetooth Speaker with 5 1/4 inch subwoofer.
• Clear sound and heavy bass with dynamic sound effect.
• A2DP Bluetooth for wireless music streaming from Bluetooth-enabled devices like mobile phones, notebooks, iPhones, or iPads.
• Secure and simple pairing for user-friendly operation.
• 10 meters operating range.
• Supports USB and SD card playback.
• Built-in FM radio.
• EQ function available.
• LED display shows digital numbers and working status.
• Line-in function suitable for PC, MID, TV, and other audio devices.
• Two gears for volume and bass control.
• Built-in rechargeable lithium battery with 1500mAh capacity.
• Includes a handle and strap for easy portability.

Specifications

• Horn Size: 3 inch
• Subwoofer Size: 5 1/4 inch
• Horn Output: 3W*2, 4Ω
• Subwoofer Output: 12W, 4Ω
• Battery Capacity: 1500mAh
• Frequency Response: 100-20KHz
• Power Supply: DC3.7V

Accessories:

• USB charging cable
• Audio cable
• User manual
• Strap

Appearance and Key Functions

The speaker features the following:

• 1. USB port
• 2. Charging jack
• 3. LED indicator
• 4. LED screen
• 5. SD slot
• 6. Speaker
• 7. ON/OFF button
• 8. Aux-in jack
• 9. Backward button
• 10. Play/Pause button
• 11. Forward button
• 12. Mode button (Switches between Bluetooth, USB disk, SD, FM, and AUX-IN states)
• 13. EQ button
• 14. Bass Gear control
• 15. Volume Gear control

Operating Instructions

Bluetooth

1. Turn the power button to "ON". The LED screen will display "bt" and beep twice, twinkling quickly.
2. Activate Bluetooth on your mobile phone and search for the device named "2BOOM-BX390". Connect to it. The "bt" on the screen will stop twinkling and beep three times once connected successfully.
3. Play music from your mobile phone.
4. Use the "LAST" or "NEXT" buttons on the device or your mobile phone to select songs.
5. Press the "Play/Pause" button on the device or your mobile phone to play/stop music.
6. Use the "Volume Gear" to adjust volume up or down, or adjust your mobile phone's volume.
7. Use the "Bass Gear" to adjust bass.

Remark: EQ function works for USB and SD only; it does not support Bluetooth or Aux-in modes.

Playing music from USB disk & SD card

1. Turn the power button to "ON".
2. Insert an SD card or USB flash disk into the slot. Music will play automatically, and the LED screen will display the song playing.
3. In playing mode, short press "Forward" or "Backward" buttons to select songs. Long press to fast forward or backward the song.
4. Press "PLAY/PAUSE" to play or pause.
5. Turn the power button to "OFF" when not in use.

Remark: If an SD or USB is inserted while playing via Bluetooth, the Bluetooth connection will be disconnected, and playback will switch to USB or SD. Press the "MODE" button to switch back to Bluetooth mode.

FM Radio

1. In FM radio state, insert the audio cable to get the best FM signal before use.
2. Turn the power button to "ON", then press the "MODE" button to switch to FM radio state.
3. In playing mode, short press the "Play/pause" button to auto-search and store FM channels automatically.
4. Press "LAST" or "NEXT" buttons to change the stored FM channel.

AUX-IN

For other compatible music devices or MP3/MP4 players, use the supplied audio line cable to connect from the device's "Line Out" to the "Aux In" of this speaker. Then press the "MODE" button to switch to AUX-IN state. Enjoy.

When using an external device, all functions will be controlled by the external device, except the "Play/pause" button.

Remarks

1. Press the MODE button to switch between modes: Bluetooth, SD, USB disk, FM radio, and AUX-IN.
2. Turn the power button to "off" to cut off the power supply when not in use.

How to charge

1. Power off the unit. Connect the provided charging cable to the unit's charging slot and the other end to a PC or a 5V output charger (not included). The red charging indicator will remain lit.
2. Charging time should be 3-5 hours. The indicator light will switch off when fully charged.
3. To prolong battery life, do not charge for more than 8 hours.