So sánh Dàn âm thanh Line Array Kara 04 (BKSound Kara 28, Kara F218B, Kara CP4800, AAP 8004, AAP 18002, DSP-9000 Plus, Live 802) và Dàn âm thanh Line Array Kara 03 (BKSound Kara 28, Kara F218B, Kara CP4800, STD 10004, STD 18002, Live802, UGX12)