商品櫥窗＞喇叭＞Loudspeakers● Rated/Max Input Power. 3.0 W/4.0W● Rated Impedance. 4Ω ± 15％● Sound Pressure Level. 91dB(1W/0.5m) ± 3 dB at AVE 0.8K 1.0K 1.2K 1.5K Hz● Resonance Frequency (Fo). 500±20％Hz● Frequency Range. F0~4.5KHz.