Celto Pro · CSW Series
CSW118
SKU: CSW118
High-performance 18-inch multi-purpose vented subwoofer with 1500W RMS power handling.
- Max SPL
- 129 dB RMS / 135 dB Peak
- Frequency Response
- 34 Hz – 1.5 kHz
- Driver Configuration
- 18"
- Dispersion
- Omni in usable range
- Weight
- 44 kg (97.0 lb)
2-year distributor warranty · Original product · Engineering support
Overview
The Celto Pro CSW118 is a high-performance, multi-purpose vented subwoofer designed to deliver deep, clean, and relentless low-frequency reproduction in demanding professional audio applications. Equipped with a premium 18" CELTO 18SW1500-8 transducer featuring a die-cast aluminum chassis and a 4" (100 mm) long-throw voice coil, it delivers 1500 W RMS (6000 W Peak) power handling and a maximum SPL of 135 dB Peak.
The enclosure is constructed from exterior-grade birch plywood with tongue-and-groove bracing, finished in a textured waterborne black coating with acoustic PU foam behind the front grille. Designed for active operation, the CSW118 features dual M20 thread sockets for pole mounting and genuine Neutrik Speakon NL4MP connectors, making it an excellent choice for both touring and high-end permanent installations.
135 dB
MAXIMUM PEAK SPL
34 Hz – 1.5 kHz · Frequency Response
Technical Specifications
CSW118 · SKU CSW118
| ACOUSTIC PERFORMANCE | |
|---|---|
| Speaker type | Multi-purpose vented Subwoofer |
| Power Handling (AES standard) | 1500 W RMS / 6000 W Peak |
| Nominal impedance | 8 Ω |
| Average sensitivity | 97 dB / 1 W / 1 m |
| Maximum SPL (calculated) | 129 dB RMS / 135 dB Peak |
| Frequency response (-6 dB no preset) | 34~1500 Hz |
| Nominal directivity (-6 dB) | Omni in usable range |
| Crossover | No, active mode only |
| DRIVERS | |
| LF | 18" CELTO 18SW1500-8 |
| Woofer Chassis | Die Cast Aluminium |
| Woofer Voice coil | 4" / 100 mm long throw |
| CABINET & MOUNTING | |
| Cabinet | Exterior grade Birch PlywoodHeavily braced with Tongue & Groove |
| Cabinet finish | Textured Waterborne Black coatingAcoustic PU foam behind Front grill |
| Flying hardware | No |
| Mounting hardware | 2pcs M20 thread socket |
| CONNECTIVITY | |
| Connectivity | Genuine NEUTRIK 2pcs Speakon NL4MP |
| PHYSICAL | |
| Speaker size (HxWxD) | 632 × 570 × 650 mm (24.9 × 22.4 × 25.6 in) |
| Speaker Weight | 44 kg (97.0 lb) |
| Shipping information | 51 kg735 x 675 x 750 mm |
| Accessories | CSW118-SBAG (padded cover bag)CPC-70 (pole bar with crank)SUBWHKIT100C (castor wheel kit) |
CSW118 · 2-year distributor warranty · Original product · Engineering support
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Frequently Asked Questions
What is the price of CSW118?
Pricing depends on your project configuration. Contact our engineering team to determine the most suitable setup and receive a current quote.
What does the distributor warranty cover?
Every system we install is our direct responsibility for two years against manufacturing defects, with scheduled measurement, calibration and maintenance support.
How is product originality guaranteed?
We import all required parts and products directly from the manufacturer's factory, preserving the authenticity of the system.
How does the design & quote process work?
Let us build the acoustic infrastructure of your project to engineering standards with needs analysis, detailed venue exploration, and accurate technical guidance.
2-year distributor warranty · Original product · Engineering support