A1 5W Mini USB 2.0 Subwoofer Speakers with 3.5mm Stereo Jack and USB Powered Support Volume Control for PC / Laptop /Smartphone

– Compact design, easy to place, optimal configuration for laptops.
– 2.0 dual channel, 3W 4Ω full range speaker, the sound is more round and bright.
– Direct power supply via USB, convenient and practical to improve product reliability.
– Rear switch to adjust the volume, convenient and fast.
– Ultra thick bubble pad for safe transportation.
– The first rear bass vent for a perfect bass.
– 3.5mm 2-channel audio input interface for linking computer / MP4 audio to speakers for playback.

Model: A1

Sensitive: > = 80dB

Distortion: > = 3%

SNR: > = 60dB

Separate: > = 45dB

Place of Application: PC / Laptop