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Powerful High-Sensitivity Dual 18" Subwoofer Line Array Sound System for Professional Audio Performance and Large-Scale Events
Powerful High-Sensitivity Dual 18" Subwoofer Line Array Sound System for Professional Audio Performance and Large-Scale Events
Powerful High-Sensitivity Dual 18" Subwoofer Line Array Sound System for Professional Audio Performance and Large-Scale Events
Powerful High-Sensitivity Dual 18" Subwoofer Line Array Sound System for Professional Audio Performance and Large-Scale Events
Powerful High-Sensitivity Dual 18" Subwoofer Line Array Sound System for Professional Audio Performance and Large-Scale Events
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Powerful High-Sensitivity Dual 18" Subwoofer Line Array Sound System for Professional Audio Performance and Large-Scale Events
Powerful High-Sensitivity Dual 18" Subwoofer Line Array Sound System for Professional Audio Performance and Large-Scale Events
Powerful High-Sensitivity Dual 18" Subwoofer Line Array Sound System for Professional Audio Performance and Large-Scale Events
Powerful High-Sensitivity Dual 18" Subwoofer Line Array Sound System for Professional Audio Performance and Large-Scale Events
Powerful High-Sensitivity Dual 18" Subwoofer Line Array Sound System for Professional Audio Performance and Large-Scale Events

Powerful High-Sensitivity Dual 18" Subwoofer Line Array Sound System for Professional Audio Performance and Large-Scale Events

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Product Description

📋 Basic Information
Model NO. KS28 Activity Passive
Operation Mode Wire / Remote Control Speaker System Optional Combination
Speaker Material Wood (Multi-layer birch planks) Application Commercial, Home, Touring
Rated Power 1500W Peak Power 3000W
Max SPL 143dB Frequency Range 26Hz-500Hz
Dimensions 565*1351*719mm Weight 80kg
🔊 Product Description
KS28 Subwoofer System
KS28 High-Power Multifunction Subwoofer
This bass-reflex high-power multifunction subwoofer is engineered for professional touring and fixed installations, delivering powerful, precise, and immersive low-frequency reinforcement for high-end sound systems.
1
Extended Low-End & Extreme SPL
With a frequency response down to 26Hz (-10dB) and a maximum SPL of 143dB, it provides deep sub-bass extension and massive output for large-scale festivals and stadiums.
2
Dual 18" Long-Excursion Drivers
Equipped with 2 × 18" long-excursion cone drivers, ensuring excellent transient response, high efficiency, and low distortion.
3
Cardioid / Omnidirectional Control
Selectable modes optimize low-frequency coverage and minimize stage spill, improving acoustic coupling in complex environments.
4
Touring-Grade Durability
Constructed from reinforced imported Russian birch plywood with eco-friendly polyurea coating for superior rigidity and vibration resistance.
🖼️ Product Details & Gallery
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📜 Certifications
Certification 1
Certification 2
🎥 Performance Video
📦 Packaging & Shipping
Packaging Details
❓ Frequently Asked Questions
What applications is this subwoofer suitable for?
It is ideal for large-scale concerts, music festivals, professional clubs, theaters, stadiums, and high-end multipurpose halls.
What is the advantage of the dual 18-inch drivers?
The dual 18-inch long-excursion drivers move a massive volume of air, providing deeper, more impactful low frequencies and higher SPL compared to single-driver units.
What is the benefit of cardioid bass control?
Cardioid control significantly reduces low-frequency energy behind the subwoofer array, minimizing stage feedback and focusing the sound toward the audience.
What materials are used for the cabinet construction?
The cabinet is made from high-strength, multi-layer Russian birch plywood and finished with a durable, eco-friendly polyurea coating for maximum touring protection.
Does it support both passive and active operation?
The KS28 is a passive subwoofer designed to be powered by professional external amplifiers to ensure maximum dynamic range and system flexibility.
What is the maximum sound pressure level (SPL) of the KS28?
The KS28 can reach a maximum SPL of 143dB, making it one of the most powerful subwoofers in its class for large-scale sound reinforcement.

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