Vũ Hoàng Audio

The speaker shall have a frequency response of 77Hz~19KHz(-10dB)*
Power-handling of 50W @ 8 Ohms and a built-in transformer with settings for 70V: 30W/15W/7.5W/3.75W or 100V: 60W/30W/15W/7.5W. 
The speaker shall have a Max SPL of 116dB (8 Ohms)and a sensitivity of 87dB (1W@1m)*. It shall have a horizontal dispersion of 130 degrees and a vertical dispersion of 145 degrees. The speaker shall have a Directivity Optimized Crossover tuned to 2,200Hz with a HPF slope of 18dB/Oct and a LPF slope of 12dB/Oct.