ساب ووفر اکتیو Presonus ULT18

Features:

• Powered subwoofer with 18" woofer
• Rugged wooden cabinet minimizes unwanted resonance and enhances durability
• Variable lowpass filter makes it easy to integrate with main speakers
• Polarity invert switch for ensuring proper phase coherence
• Defeatable front-panel LED is perfect for low-visibility installation
• Loud, powerful performance from 1,000 watts RMS of Class D amplification (2,000-watt peak)