CLA-28B
High power subwoofer
Features
• Powerful yet flexible
• Suitable for medium-range distances
• Fixed installation
Application
• Concert
• Café
• Bar
• Club
The CLA-28B is a versatile, high-power ultra-low system. It delivers powerful sub-bass tones as low as 30 Hz. Featuring two front-loaded 18-inch speakers specially designed by Realsound, this system can handle over 1300W of power without noticeable compression. The CLA-28B boasts an exceptionally effective bass enclosure, with each 18-inch operating within its own perforated cabinet. A robust outer shell and internal wooden panels minimize distortion while ensuring excellent frequency response. Additionally, the unique design allows the voice coils to be further cooled by airflow passing through reflective gaps. With its crisp, punchy sound and outstanding audio quality, the CLA-28B proves invaluable for live performances in genres like rock, pop, slow-dance bars, and KTV private rooms.
Combined with full-range systems (such as RealSound and the CLA series), the CLA-28B delivers enhanced low-frequency output for all frequencies below 100Hz or 110Hz, while seamlessly integrating with line-array systems to ensure exceptional performance.
The CLA-28B employs the most rigorous design to deliver a compact yet powerful bass with an exceptionally high sound pressure level.
| Frequency Response | 30Hz - 150Hz ±3dB |
| Drive | 2 x 18-inch (100mm voice coil) |
| Speaker power | 1300W AES / 5200W Peak |
| Sensitivity | 99dB |
| MAX SPL | 140dB (using the [CLA-218B] preset) |
| Rated Impedance | 4Ω |
| Input interface | 2 Neutrik 4-pin sockets |
| Dimensions (Width x Height x Depth) | 1066mm × 560mm × 780mm |
| Weight | 90kg |
| Install the system | 4 handles |
DA-5
DA-6
| CLA-28B CAD |  |
CLA-28B(1).doc
CLA-28B CAD(1).dwg
Application Cases
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