2.0 computer pc speaker mini speaker ipa speaker usb speaker 

  Technical specifications

* Power output:3W*2RMS
* Speaker: 4Ω 3W
* Input sensitivity: 400mV
* Distortion: ≤0.2 %( 1W 1KHZ)
* Frequency response: 150Hz-20KHZ
* Separation:≥78dB
* S/N Ratio: ≥80dB
* 3.5mm audio output jack
* Power Voltage: USB/DC 5V
* Optional external power supply 
  (DC5V-1.2A)
* Accessories:USB cable, audio cable 

Features

* Built-in active amplifier
* USB bus-powered capability,
   no adapter required
* Conveniently powered via with 
  USB cable
* Easily control volume with VOC
   on the back
* Durable for long-term use
* Size:62x55x73mm,
* Weight: 0.2kg

Package

Qty: 100 PCS/CTN
Gift box: 152x83x62mm
Carton:627X432X335mm
N.W./CTN: 26.2KGS
G.W./CTN: 28.1KGS