Computer audio home subwoofer small speaker

Condition: New
Channel: 2.1
Power mode: other
Color classification: Basic version Bluetooth version

M33 Bluetooth version
Signal to noise ratio: 270DB
Output power: 3W+1WX2
Speaker specifications: 4 inches + 2 inches x2
Frequency range: 150HZ-20KHZ
Distortion rate: s0.5%
Impedance: 20+40x2
Input interface: 3.5mml stereo input