Yorkville Sound SA221S Dual 21" Synergy Array 6000W Active Portable PA Subwoofer

Ready to shake the ground and deliver massive low-end power at every event? The Yorkville Sound SA221S Dual 21" Synergy Array Powered Subwoofer is built for professionals who demand thunderous bass, exceptional clarity, and stadium-level performance in a portable setup. Designed as the ultimate low-frequency companion for the Synergy Array series, this powerhouse subwoofer delivers an earth-shaking 6000 Watts program power and an incredible 17,000 Watts peak output, giving your audience a bass experience they can truly feel.

Loaded with dual 21-inch Neodymium woofers featuring massive 4.5-inch voice coils, the SA221S produces deep, tight, and highly controlled bass with stunning efficiency. Whether you're running large-scale concerts, festivals, touring rigs, or premium club installations, this subwoofer delivers exceptional punch and ultra-deep low-end response down to 28Hz, ensuring every kick drum, bassline, and cinematic effect hits with authority.

The SA221S is engineered for extreme performance, reaching an impressive 142.6dB peak SPL while maintaining outstanding clarity and definition even at high output levels. Its bass reflex design maximizes efficiency and impact, making it ideal for demanding professional audio environments.

Need flexibility? This sub integrates seamlessly with the SA153 as a standalone high-powered system or combines with the SA153 and SA315S for a full 5-way professional sound system setup. Adjustable crossover frequencies at 50Hz and 100Hz allow precise tuning for different venues and applications.

And with Yorkville Sound’s renowned Canadian craftsmanship, you get durability, reliability, and premium sound quality trusted by audio professionals worldwide.

Key Features:

• Massive 6000W Program / 17,000W Peak Power
• Dual 21" Neodymium Woofers with 4.5" Voice Coils
• Extremely Deep and Powerful Bass Response
• Frequency Response: 28Hz – 100Hz
• 130.6dB Continuous / 142.6dB Peak SPL
• Bass Reflex Design for Maximum Efficiency
• Selectable 50Hz & 100Hz Low-Pass Crossover
• Designed for Synergy Array Professional Systems
• Built in Canada for Professional Touring Reliability

Experience the kind of bass that transforms live sound into a full-body experience — drop by our VIP PRO AUDIO and hear the Yorkville Sound SA221S in action for yourself.