S Series
Designed for professional audio installations and venues, the Celto Acoustique SD-SQ series delivers high-performance loudspeaker solutions.
- 4 Models
- Electronics & Audio Management
- Celto Pro
Architectural Aesthetics and Superior Acoustic Performance: Celto Acoustique S Series
The Celto Acoustique SD-SQ series represents a range of professional loudspeaker systems that seamlessly blend architectural aesthetics with superior acoustic performance. Optimized for permanent installations, performance venues, hospitality spaces, and multi-purpose halls, this series delivers precise frequency response and high sound pressure levels (SPL). Featuring robust cabinet construction and advanced acoustic engineering, the SD-SQ series ensures uniform sound coverage even in challenging acoustic environments. Brought to your projects with Trioacoustic's engineering expertise, this series stands as a reliable solution for both high-fidelity background music and demanding live sound reinforcement.
Optimized high sound pressure levels (SPL) for fixed installations and professional projects.
Acoustic engineering design that ensures homogeneous sound distribution even in challenging environments.
Extensive subwoofer options reaching up to 3600 W RMS power and 145 dB Peak output.
Directable and precise low-frequency control with cardioid preset support.
Durable cabinet structures that blend seamlessly with architectural aesthetics for long-lasting use.

S Series Models
The Celto Acoustique S Series includes a comprehensive range of speaker and subwoofer models designed to meet every need, from background music to high-performance live sound. Review the technical specifications below to find the ideal configuration for your project.
Areas of Use
Performance Halls and Live Stages
Thanks to its high SPL capacity and clear frequency response, it ensures vocals and instruments are heard flawlessly during live performances. Powerful subwoofer models deliver stage dynamics to the audience perfectly.
Restaurants and Entertainment Venues
With its elegant cabinet design that preserves architectural aesthetics, it easily adapts to the venue's atmosphere. It provides homogeneous and rich sound quality for both low-level background music and upbeat moments.
Multi-Purpose Event Spaces
Developed for fixed installation projects, its durable structure can quickly adapt to different types of events. With its wide frequency range, it delivers reliable results in every scenario, from speeches to music broadcasts.
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What frequency ranges do the S Series subwoofer models cover?
Depending on the model, the subwoofers in the series offer a wide low-frequency response ranging from 26 Hz to 1500 Hz. This allows you to achieve deep and punchy bass sounds without distortion.
What is the benefit of the cardioid preset feature?
Available in models like the SU218TL, the cardioid preset prevents bass frequencies from bleeding to the back of the stage, directing them solely toward the audience. This creates a cleaner sound environment on stage and enhances acoustic control.
Can this series be used outside of fixed installations?
The S Series is specifically optimized for fixed installation projects, restaurants, and performance halls. However, thanks to its durable cabinet structure and high power capacity, it can be confidently utilized in various professional audio management applications with Trioacoustic assurance.
Experience Celto Acoustique Quality in Your Projects with Trioacoustic
Reach us for detailed technical guidance on S Series, backed by a 2-year distributor warranty.


