SUBIUM Series
High-output subwoofer series designed for professional audio installations and high-performance venue applications, delivering deep and powerful low-frequency response.
- 4 Models
- Subwoofers
- Celto Pro
The Celto Acoustique SUBIUM series offers high-performance subwoofer solutions that push the boundaries of acoustic engineering. Developed for large-scale events, live performance venues, and premium club projects, this series is engineered for maximum sound pressure levels and minimum distortion at low frequencies. Thanks to advanced driver technology and optimized enclosure designs, the SUBIUM series ensures stable and powerful bass performance even in the most demanding acoustic environments. Integrated into your projects with Trioacoustic's engineering expertise, these systems represent the cornerstone of professional audio solutions with their durable construction and high efficiency.

SUBIUM Series Models
Model Comparison
| Feature | SU113 G2 | SU121TL G2 | SU218TL | SU221 |
|---|---|---|---|---|
| Max SPL | 126 dB RMS / 132 dB Peak | 135 dB RMS / 141 dB Peak | 139 dB RMS / 145 dB Peak | 137 dB RMS / 143 dB Peak |
| Frequency Response | 50 Hz – 1.5 kHz | 33 Hz – 800 Hz | 26 Hz – 900 Hz | 28 Hz – 1.5 kHz |
| Power Handling | 800 W RMS / 3200 W Peak | 1600 W RMS / 6400 W peak | 3000 W RMS / 12000 W Peak | 3600 W RMS / 14400 W peak |
| Nominal Impedance | 8 Ω | 8 Ω | 4 Ω | 4 Ω |
| Dispersion | Omni in usable range | Omni in usable range | Omni in usable range. Cardioid preset | Omni in usable range |
| Weight | 27 kg (59.5 lb) | 76 kg (167.6 lb) | 111 kg (244.7 lb) | 104 kg (229.3 lb) |
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Explore Series →Frequently Asked Questions
What does the distributor warranty cover?
Every system we install is our direct responsibility for two years against manufacturing defects.
Which model should I choose?
Through needs analysis and a detailed site survey, we determine the right configuration together.
Let's plan your project with SUBIUM Series
Reach us for detailed technical guidance on SUBIUM Series, backed by a 2-year distributor warranty.


