JBL JRX212 12' Passive Two-Way Stage Monitor Speaker Pair PA Package SonicGuard protects the high frequency driver from excess power without interrupting the performance. Frequency Range (-10 dB) 60 Hz - 20 kHz Dual-angle pole-mount socket allows the speaker to tilt 10for more uniform audience coverage. Power Rating 250 W / 1000 W Recommended Amplifier Power 250 W to 500 W into 8 ohms