Edifier M1250 USB powered flat panel 2.0 multimedia speakers

Total power output : RMS 0.6W x 2

THD + N (testing level) : 10% 

Signal to noise ratio : ≥80dBA 

Frequency response : 150Hz - 20KHz

Input sensitivity : 250mV ± 50mV

Input impedance : 10KΩ

Audio Input Type : 3.5mm stereo line-in, USB, PC sound card, headphone jack

Adjustment : Volume control

Speaker unit : 50mm x 90mm, magnetically shielded, 4Ω

Control panel : Power, Master Volume control

Dimensions : Active speaker: 68mm x 166mm x 94mm | Passive speaker: 68mm x 166mm x 94mm

Weight : ≈0.55Kg (gross)