Pump up the bass at your next gig or installation with the QSC KLA181 KLA Series 18" Powered Subwoofer Speaker. Designed to deliver commanding low-end reinforcement, this 1,000-watt powerhouse integrates seamlessly into any live sound setup. Sporting an 18" vented subwoofer, the KLA181 reaches frequencies as low as 33Hz, ensuring that your audience not only hears but feels the music. With QSC's proprietary DEEP DSP algorithm, this subwoofer manages low-frequency transients for a tighter, more impactful bass performance.

Thanks to the integrated GuardRail technology, you can push the KLA181 to its limits without worrying about unexpected shutdowns or component damage. The subwoofer also includes versatile deployment options, allowing it to be ground-stacked, pole-mounted, or suspended in an array configuration. For convenience, it features powerCON In and Thru connections and an XLR input with loop-thru, making daisy chaining multiple units straightforward and efficient. Whether used in a portable setup or a permanent installation, the KLA181 is built to withstand the demands of road use, thanks to its robust construction and impact-resistant enclosure.

Key Features:

• 1,000-watt Class D continuous power module
• 18" vented subwoofer with a frequency range down to 33Hz
• High acoustic output (135 dB SPL peak)
• DEEP DSP algorithm for enhanced bass performance
• GuardRail protection technology to prevent clipping
• Flexible deployment options: ground-stack, pole-mount, or suspension
• PowerCON Input and Thru connections for easy setup
• Threaded pole-cup receptacle for free-standing applications
• Integrated threaded pole mount supports up to two KLA12 enclosures

Product specs

FAQs

What kind of power output does the QSC KLA181 subwoofer provide?

The QSC KLA181 subwoofer delivers a powerful 1000 watts of total power, making it suitable for large venues and events requiring robust bass performance.

Is the QSC KLA181 subwoofer suitable for flying installations?

Yes, the QSC KLA181 features mounting options for both floor and fly installations, allowing for versatile placement in various live sound setups.

What type of input connections does the QSC KLA181 subwoofer have?

The QSC KLA181 subwoofer is equipped with a balanced XLR line input, along with dual balanced XLR full-range line outputs for seamless integration with other audio equipment.

How does the QSC KLA181 subwoofer handle remote gain control?

The QSC KLA181 includes a remote gain control option, enabling users to adjust the subwoofer's output level remotely for convenient sound management.

What is the frequency range of the QSC KLA181 subwoofer?

The QSC KLA181 offers a frequency range down to 38Hz (-6dB), providing deep bass extension for impactful low-end sound reinforcement.