MODEL: BTC4

　　4" driver unit

　　PP cone and rubber surround

　　20mm black silk dome tweeter

　　max power: 15W RMS

　　power: 100V-240V input, 18V 2A output

　　bluetooth 4.0 version

　　sensitivity: 89 dB

　　frequency response: 65 - 20K Hz

　　speaker box outside size: diameter 213mm x height 150 mm

　　net weight: 1.5 KG/piece