Yorkville SA221S Synergy 2x 21” Powered Subwoofer

Massive Power and Deep Bass for the Ultimate Sound Experience
The Yorkville SA221S Synergy 2x 21” Powered Subwoofer is a powerhouse designed to deliver the highest peak power and deepest bass response in the Synergy series. As Yorkville Sound’s largest and most powerful point source system, this subwoofer is built to handle the most demanding audio needs, making it perfect for large-scale events, concerts, and venues that require a truly seismic low-end impact. With 17,000 watts of peak power and dual 21” woofers, the SA221S is engineered to fill any space with powerful, thunderous bass, providing the ultimate sound reinforcement for your setup.

Dual 21” Woofers for Unmatched Output
The SA221S features two 21” neodymium woofers with 4.5” voice coils, which are capable of handling extreme power without distortion. These high-performance woofers are designed to deliver immense low-frequency output, making it ideal for large venues where deep bass is essential. Whether you're amplifying live music, DJ performances, or immersive soundscapes for theater productions, the SA221S ensures that every note is felt, not just heard. The combination of the massive woofers and high-quality neodymium drivers makes the SA221S a go-to subwoofer for demanding environments.

Bass Reflex Design for Enhanced Efficiency
The SA221S utilizes a bass reflex design, which optimizes airflow within the enclosure to enhance efficiency and minimize distortion. This design is crucial for maintaining deep, clear bass even when the subwoofer is operating at high volumes. The bass reflex construction allows the SA221S to handle high-output performance without sacrificing sound quality. As a result, you get an incredibly efficient subwoofer that produces exceptional low-end energy without the loss of clarity or definition, even in challenging acoustical environments.

High Output for Large-Scale Venues
Designed for venues that require immense output, the SA221S is built to deliver high levels of sound pressure and coverage. With 17,000W peak power and 6,000W program power, this subwoofer provides unparalleled bass performance for arenas, stadiums, and large clubs. Its capacity to produce extremely high output ensures that you achieve the full-range sound needed for outdoor festivals or indoor events with large crowds. Whether you’re outfitting a touring rig or enhancing a permanent installation, the SA221S gives you the headroom you need to handle any performance.

Flexible System Integration for Ultimate Customization
The SA221S is highly versatile and can be integrated into various sound system setups. It can be used as an independent system when paired with the SA153, or it can be combined with the SA153 and SA315S to create a powerful 5-way system. This flexibility allows sound engineers and event organizers to create customized systems that best fit the acoustics of the venue, providing full-range sound with precise control over bass, midrange, and high frequencies. The SA221S ensures that your system delivers optimal performance for every application, from large live events to touring productions.

Made in Canada for Uncompromising Quality
Proudly built in Canada, the Yorkville SA221S is constructed with high-quality components to ensure exceptional durability and reliability. Yorkville Sound is known for its commitment to producing world-class audio equipment, and the SA221S is no exception. Whether you're using it for high-profile concerts or permanent installations, you can rely on the SA221S to perform consistently, even in the most demanding environments. The rugged build and premium materials make this subwoofer a durable, long-lasting investment for any professional audio setup.