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Black rectangular USB soundbar with touch controls and LED lighting

LENRUE A39PRO 2.0 USB Soundbar 10W Black

SKU CH-W256-VEA1X MPN A39PRO

USB-powered 2.0 soundbar delivers 10 W stereo sound with touch control and optional colourful lighting

  • TypeSoundbar
  • ColorBlack
  • Configuration2.0
  • Connector TypeUSB
  • Total Power10 watts
  • Satellite RMS Power /ea10 watts
  • Clear stereo sound from 10 W dual drivers
  • 0 channel soundbar with 4 Ω impedance
  • USB-powered with 3.5 mm audio input
  • Touch remote and three-position switch for sound and lights
  • Compact 12.6 in design weighing 0.608 kg

Compact USB soundbar for desktop use

The LENRUE A39PRO is a 2.0 stereo soundbar delivering 10 watts total output from dual 5-watt drivers. It connects via a 3.5 mm audio jack while drawing power from a USB port, making it suitable for desktops, laptops and tablets that have both sockets. The 47-inch cables reach most setups without strain.

Touch control and breath-light

A three-position switch on the rear manages power and the built-in colourful breath-light independently: LED and sound on, sound only, or both off. Volume is adjusted by touch controls on the bar itself, removing the need for a separate remote. The light can be disabled entirely for distraction-free work.

Driver-free setup with common pitfalls

Plug-and-play operation requires no driver installation on Windows, macOS or Linux. If output seems quiet, raise the system volume to roughly 85 percent and the application volume to maximum before using the speaker’s own touch control. The 3.5 mm auxiliary connection means the unit is not recommended for televisions lacking a matching headphone jack.

Highlights

  • Clear stereo sound from 10 W dual drivers
  • 0 channel soundbar with 4 Ω impedance
  • USB-powered with 3.5 mm audio input
  • Touch remote and three-position switch for sound and lights
  • Compact 12.6 in design weighing 0.608 kg

Specifications

BrandLENRUE
ModelA39PRO
Part NumberA39PRO
TypeSoundbar
ColorBlack
Configuration2.0
Connector TypeUSB
Total Power10 watts
Satellite RMS Power /ea10 watts
Driverdynamic_driver
Frequency Response20 hertz
Impedance4 ohm
Signal to Noise Ratio(SNR)80 decibels
Power Supply5 volts
Remotetouch
System RequirementsDesktop computer speaker
Dimension12.6 in x 2.56 in x 2.17 in
Weight0.608 kilograms
FeaturesWired Stereo sound Computer Speaker
Package ContentsA39PRO computer speakers for desktop

Questions about this item

Will the 3.5 mm audio cable or USB power cable need replacing after daily use?

Both cables are fixed to the soundbar and measure 1.3 m; they are not user-replaceable, so any damage would require replacing the whole unit.

What stops the 10 W output from climbing higher during long sessions?

The USB port supplies only 5 V, limiting total power to 10 W regardless of volume setting.

Does the soundbar get hot or the fan get loud when it runs all day?

There is no fan; the aluminium body stays warm but not hot during continuous playback.

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