Klipsch
KLIPSCH Commercial Dual 15" Subwoofer
Best high-output subwoofer for professional clubs, theaters, and performance venues.
The KLIPSCH Commercial Dual 15" Subwoofer (KI215BII) is engineered to perfectly complement high-power full-range loudspeaker systems in professional settings. It features dual 15-inch cast frame transducers, capable of achieving a maximum output of 130 dB SPL. The enclosure is tuned low to 40 Hz, providing deep bass extension. Constructed from plywood using CNC fabrication for reliability, this subwoofer is ideal for demanding environments like clubs, theaters, and performance halls. It includes sixteen built-in suspension points for versatile array mounting configurations.
$2399.00
Owner Satisfaction
4.7
/ 5
Category Rank
513
/ 6988
#513 in Speakers
Price vs Category Average
+64%
Above average
Who it's for
- Commercial venue owners needing deep, authoritative bass for large spaces
- Professional installers requiring reliable equipment for continuous high-output use
- Audio engineers filling massive rooms with undistorted, high-pressure sound
Who should skip it
- Budget-conscious buyers avoiding complex, high-current external amplifier setups
- Casual listeners seeking a modest subwoofer for standard living rooms
- Homeowners with limited floor space or restricted room layouts
Performance breakdown
Maximum Sound Pressure
Delivers massive output capable of filling large professional performance venues.
Low Frequency Extension
Tuned to 40 Hz for deep, authoritative bass in demanding environments.
Build Durability
CNC-fabricated plywood construction ensures long-term reliability for heavy commercial use.
Mounting Versatility
Sixteen suspension points allow for flexible, professional-grade array configurations.
Power Handling
Heavy-duty drive components manage high-power signals without compromising audio integrity.
Sensitivity
Proprietary motor assemblies provide efficient conversion of power into clean sound.
Features
- High-quality heavy-duty drive components for superior power handling
- Proprietary speaker motor assemblies ensure high sensitivity
- Uniform tolerances and build reliability due to CNC fabrication
- Designed for professional use in clubs, theaters, and auditoriums
What customers say
Consumers consistently praise the exceptional build quality and sheer acoustic power delivered by this dual 15 inch unit. Reviewers frequently highlight its robust reliability, noting that the subwoofer maintains deep, distortion free performance even under continuous high demand in commercial environments like theaters or large venues. While the initial investment is significant, customers view this Klipsch model as a definitive, long term solution, justifying the cost through unparalleled sonic impact and enduring durability.
Know before you buy
This subwoofer is designed for professional, high-demand environments such as clubs, theaters, and performance halls. Its dual 15-inch configuration is built to handle the sustained high-output requirements of these larger spaces.
It features sixteen built-in suspension points, which allow for a variety of array mounting configurations. This makes it highly versatile for permanent installations where you need to fly the speakers safely.
The enclosure is tuned to 40 Hz, which provides a deep, solid foundation for low-end frequencies. It is engineered to complement high-power full-range systems by filling in the sub-bass range effectively.
The cabinet is constructed from plywood using CNC fabrication, which ensures uniform tolerances and structural reliability. This build quality is specifically intended to withstand the rigors of constant use in demanding commercial settings.
The KI215BII is capable of achieving a maximum output of 130 dB SPL. This high sensitivity is made possible by Klipsch's proprietary speaker motor assemblies and heavy-duty drive components.
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$2399