Fitur Utama : Big PMPO (3500 W ) Big Woofer (12" ) USB Music Built in Battery Trolley Handle 3 Way Speaker Body Wooden PVC Specification (SS) (-) MODEL CBOX-TRB12MBO Speaker Type Trolley Series Amplifier System 3-way speaker system Frequency Response Active Input Impedance 50K Ohms Input Sensitivity 600 mV X-Bass Yes Bass Yes Treble Yes Mic Input 1 Terminal Mic Control Mic Volume, Echo Woofer 30.5cm (12"), 4 Ohm, 50W Midrange 7.5cm (3"), 4 Ohm, 30W Tweeter 2.5cm (1"), 25W Audio Output 1 x 25 W (RMS) / 3500 W PMPO Power System AC 100-240V ~ 50/60Hz ; DC 9V (1500mA) Power Supply 11 W Power Consumption 50 W Power Output 1 x 25 W (RMS) / 3500 W PMPO