Premium 18-Inch Line Array Subwoofer for Event Sound Reinforcement

• Customization: Available
• Noise: ≥105dB
• Hi-Fi: Not Hi-Fi
• Model NO.: KS28
• Activity: Passive
• Operation Mode: Wire / Remote Control
• Speaker System: Optional Combination
• Speaker Material: Wood
• Application: Commercial, Home
• Certification: CE, RoHS, CCC
• THD: >0.01%
• Frequency Response: 28Hz-180Hz(-10dB)
• Maximum Spl: 140dB
• Drivers: Lf:2*18"
• Rated Power: 2000W
• Nominal Impedance: 4 Ohms
• Sensitivity: 101dB(1m/1W)
• Enclosure Material: Plywood
• Cabinet Finish: Textured Black Polyester Paint
• Dimensions: 1340*550*702(W*H*D)mm
• Net Weight: 82.5kg
• Transport Package: Neutral or as Per Customer Request
• Specification: 1340× 550× 702mm
• Trademark: WAX ROYAL AUDIO
• Origin: China
• Production Capacity: 50000pieces/Year

Product Description

Product name: KS28
Introducing the KS28, a pinnacle in our cutting-edge subwoofer sound system lineup. Engineered with dual 18-inch units, this marvel provides unmatched sound amplification, elevating your auditory experience to new heights. The innovative box structure design ensures precise directional sound control, while the heart-shaped radiation significantly minimizes rear energy radiation, delivering clarity like never before.
1)The KS28 is a top-tier subwoofer meticulously crafted for ground stacking applications. It boasts two long-stroke 18" drivers that deliver impressive high sound pressure levels and an extended frequency response, perfect for those who demand superior audio performance.
2)The KS28 is the ultimate solution for large-scale sound enhancement. Seamlessly integrated into a cardioid woofer array, it offers outstanding directional control at lower frequencies, expertly minimizing backward energy radiation, creating an immersive sonic experience.
3)Ingenious design with two corresponding-shaped grooves in the top panel of each KS28 box ensures stability and prevents movement during stacking, offering a secure and hassle-free setup.



Product Features
1)Advanced Cardioid Technology for precision sound control
2)Impressive Maximum Output: 140dB
3)Effortless and Secure Fast Captive Rigging



Product application
Perfect for large-scale plazas, stadiums, grand performing arts venues, concerts, and versatile multi-purpose halls, the KS28 is engineered to deliver powerful sound reinforcement in any large venue.




Product specification

Description	flyable subwoofer 2 × 18''
Low frequency limit (-10 dB)	25 Hz
Maximum SPL1	140 dB
Directivity	standard or cardioid
Transducers	2 x 18" neodymium, aluminium die cast basket
Acoustical load	bass-reflex, L-Vents
Nominal impedance	4 Ω
Connectors	4-point speakON
Front	steel grill with anti-corrosion coating acoustically neutral 3D fabric
Weight (net)	82.5 kg / 181.9 lb
Cabinet	birch plywood
Rigging components	high grade steel
Finish	dark grey brown

Our advantage
1)Our products have successfully passed numerous certifications including ISO9001, SGS, CE, CCC, ROHS, underscoring our commitment to quality and compliance.
2)As a technologically advanced factory, we pride ourselves on our robust technical expertise and exceptional after-sales support.
3)We offer bespoke design services, tailoring amplifiers and speakers to meet the specific needs of our clients.




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