Xi'an where you can buy a 15-inch high-power rod speaker

A single 15-inch Features a: 15-inch active subwoofer plastic battery box; b: 4.5AH12V battery, 220V AC charger 8-10 hours, you can use three hours of normal volume, small volume can be used 8 hours; c: 220V AC can use : Built-in battery; 220V battery charging status to use; can external 12V battery; e: with dual wireless microphone in hand; f: karaoke microphone OK, the main channel independent control keys; g: recording function; 15-inch 140 magnetic bass Super Bass impedance 4Ω tweeter treble φ80 titanium film magnetic head input jack AV8 output jack without power 220V / 50Hz / 7AH12V battery power of 60W box size styrofoam packaging materials packaging size