Celto Acoustique CSW221 Dual 21″ Vented Subwoofer

Description

SKU: SPECEL056
The Celto Acoustique CSW221 is a high-performance, multi-purpose dual 21″ vented subwoofer designed to deliver exceptional SPL output with deep, clean low-frequency reproduction.

With 3600W RMS power handling and a rugged birch plywood enclosure, it outperforms traditional dual 18″ subs, making it ideal for touring systems, live venues, and fixed installations that demand deep bass and durability.

Features

3600W RMS Power Handling at 4Ω: Built for demanding professional applications, the CSW221 offers a true 3600W RMS (14,400W peak) power capacity, providing massive output and headroom for any event.

Extended Frequency Response: Operating from 25Hz to 95Hz with exceptional clarity, the CSW221 produces thunderous low-end energy, ideal for full-range PA systems and live sound setups that require chest-thumping bass.

Dual 21″ Long-Throw Drivers: Fitted with two premium CELTO Acoustique custom 21″ drivers, this subwoofer replaces the traditional dual 18″ design with higher SPL performance and deeper bass extension.

High Sensitivity and SPL Output: With an average sensitivity of 102dB and a maximum SPL of up to 143dB (peak), the CSW221 delivers outstanding sound pressure levels with minimal distortion.

Heavy Braced Birch Plywood Cabinet: The enclosure is built from vibration-resistant birch plywood with heavy internal bracing, ensuring accurate bass reproduction and cabinet stability even at high volumes.

Touring-Grade Finish: The gloss-free black paint provides a durable, low-reflection surface perfect for touring and professional installations, maintaining a sleek and rugged aesthetic.

Specifications

• Speaker Type: Passive, vented dual subwoofer

• Power Handling (AES): 3600W RMS / 14,400W Peak

• Impedance: 4Ω

• Driver Configuration: 2 × 21″ long-throw CELTO Acoustique drivers

• Frequency Response (-6dB, no preset): 28Hz – 1000Hz

• Usable Frequency Range: 25Hz – 95Hz

• Sensitivity: 102dB / 1W / 1m

• Maximum SPL: 137dB RMS / 143dB Peak

• Cabinet: Heavily braced birch plywood

• Finish: Touring-grade gloss-free black paint
  

Dimensions

920 × 700 × 1360 mm

Weight

110 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.

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