15W*2 4 Inch 4-8 Active Speaker Teaching Sound Box HiFi Wall Mounted Speaker with Buletooth For Karaoke Meeting 100m² Classroom

4 Inch 15W*2 Bluetooth Speaker HiFi Audio Wooden Teaching Speaker Active Monitoring Bookshelf Surround High Fidelity Sound Box Product Features:

Product Type: 2.0 Active Speakers

Input Voltage: 220V/50Hz

Rated Power: 30W

Tweeter: 1.5 inch

Woofer: 4.0 inch

Input Port: AUX RCA

Frequency Range: 20Hz-20KHz

Input Impedance: 4 ohms

Separation: >45dB(THD+N=1%)

Distortion: <1%

Noise Ratio: >85dB

Package included: One Pair of Speaker