Xianyang Where can I buy cheap speakers rod?

Function: a: 10-inch bass active battery box; b: 4.5AH12V battery, 220V AC charger 8-10 hours, four hours you can use the 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; d: comes with USB / SD card port; DVD / CD port; e: with dual wireless microphones, recording function; f: karaoke microphone OK, the main channel independent control keys; 10-inch bass roasted black positive side frames, 100 magnetic super bass; impedance 4Ω Treble piezoelectric (Φ21.5X2) input jack AV8 output jack without power 220V / 50Hz / 4.5AH12V battery power of 45W box size 580 * 320 * 300mm styrofoam packing material Packing size 630 * 370 * 350mm