The QSC K181 is a powerhouse of performance. The smoothness and high-quality bass extension deliver impressive sound at low frequency.  

• Frequency Response (-6 dB): 40 Hz to 112 Hz
• Frequency Range (-10 dB): 37 Hz to 129 Hz
• Maximum SPL1: 135 dB peak
• Amplifier Power Output: 1000 W Class D continuous, 2000 W peak
• Weight: 42.5 kg