Celto Acoustique SU221 Dual 21″ Vented Subwoofer - SPECEL076

Description

The Celto Acoustique SU221 is a high-output dual 21″ vented subwoofer designed for extreme SPL applications in touring and installation environments.

Featuring two ultra long-throw 21″ drivers and a massive 3600W RMS power capacity, it delivers ground-shaking bass performance with outstanding efficiency — making it the ideal choice for festivals, arenas, and large-scale venues.

Features

Dual 21″ Vented Design: The SU221 features a powerful touring-grade vented enclosure with dual 21″ drivers. Its design ensures maximum low-end output and precise bass control, delivering consistent results across a wide range of applications.

3600W RMS Power Handling at 4Ω: With an immense 3600 watts of continuous power handling, the SU221 provides unmatched headroom and dynamic range for professional PA systems in need of extreme low-frequency reinforcement.

Extreme SPL Performance: Capable of producing deep bass down to 28Hz while maintaining an impressive 102dB sensitivity (1W/1m), this subwoofer ensures thunderous performance with minimal distortion.

Premium 21″ Long-Throw Drivers: Equipped with two high-performance 21″ low-frequency drivers featuring ±15mm linear Xmax, the SU221 delivers tight, controlled, and deep bass for the most demanding live environments.

Patented DCS Cooling System: The advanced DCS (Dynamic Cooling System) minimizes power compression by keeping the drivers cooler during extended use — ensuring consistent output and increased reliability.

Heavy Braced Baltic Birch Cabinet: Built from premium birch plywood and heavily braced internally, the cabinet eliminates unwanted resonance and enhances dynamic response.

Touring-Grade Finish: Finished with a durable rubberized PolyUrea black textured coating, the SU221 is built to withstand the rigors of touring and frequent handling without compromising its sleek, professional appearance.

Specifications

• Speaker Type: Passive, vented dual subwoofer

• Power Handling: 3600W RMS

• Impedance: 4Ω

• Frequency Response: Down to 28Hz

• Sensitivity: 102dB/1W/1m

• LF Drivers: 2 × 21″ ultra long-throw with ±15mm linear Xmax

• Cooling: Patented DCS Cooling System

• Cabinet: Heavily braced Baltic birch plywood

• Finish: Touring-grade rubberized black PolyUrea coating

Dimensions

920 × 700 × 1360 mm

Weight

120 kg

Disclaimer

Please note that certain products are supplied directly from international or country-specific suppliers. While we strive to keep our stock levels accurate and updated, there may be instances where an item becomes unavailable due to supplier delays or stock inconsistencies. In such cases, we will promptly contact you to offer suitable alternatives or issue a full refund. We appreciate your understanding and patience, and we're committed to ensuring a smooth and satisfactory experience.

Product images, descriptions, and other related content are provided for illustrative purposes only. Actual products may vary slightly in appearance, specifications, or packaging depending on supplier availability and region-specific variations. These differences do not affect the core functionality or quality of the item. We aim to ensure all product details are as accurate as possible, but we reserve the right to make necessary adjustments without prior notice.

Contact us on Online@hgmw.co.za or +27 13 752 7725