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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

  • Channel configuration2.0
  • Connection typeUSB
  • Total wattage10 W
  • RMS power per satellite10 W
  • Driver unitDynamic driver
  • Frequency range20 Hz
  • 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.

How it compares

Measured against everything we stock in Desktop Speakers & Soundbars, at today’s prices. Recalculated every night.

Price $28.99
Cheaper than about 68% of the 838 comparable items (median $40.99).

Specifications

Product
Brand nameLENRUE
Model nameA39PRO
Part numberA39PRO
Product typeSoundbar
Product colorBlack
Audio & video
Channel configuration2.0
RMS power per satellite10 W
Driver unitDynamic driver
Frequency range20 Hz
Rated impedance4 ohm
Signal-to-noise ratio80 decibels
Ports & slots
Connection typeUSB
Power
Total wattage10 W
Power supply5 V
Size & build
Measurements12.6 in × 2.56 in × 2.17 in
Product weight0.608 kg
In the box
In the boxA39PRO computer speakers for desktop
More details
Control methodTouch

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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