KA-S56-A

KA-S56-A Dual 21" Active Subwoofer Brief Summary
Key Advantages
1. Extreme Deep Bass Performance
Dual 21" neodymium woofers with 4.5" voice coils; 6800W RMS / 13600W peak power, 145dB max SPL, 30Hz–100Hz response for powerful, distortion-free ultra-low bass.
2. Built-in Bi-Amp Active System
Integrated amplifier removes external power amps, simplifying wiring and lowering extra equipment investment.
3. Ultra-Sturdy Cabinet
18mm birch plywood with wear-resistant polyurea coating, solid structure to withstand heavy touring and long-term fixed installation.

Application Scenarios
Large music festivals, stadium concerts, arena live events, super clubs and big-scale outdoor performances. It perfectly pairs with TTL series line arrays to complete full-range low-frequency reinforcement for massive audiences.