LD Systems ICOA PRO SUB 21 A, Powered Bass Reflex PA Subwoofer with App Control - 21 Inch

The LD Systems ICOA PRO SUB 21 A is a powerful 21" active bass reflex subwoofer designed to deliver deep, punchy, and precise bass for demanding professional setups. Equipped with a 4.5" neodymium voice coil and powered by a 1500W RMS (3000W peak) Class-D amplifier, this subwoofer reaches up to 136 dB SPL and extends down to 29 Hz—making it perfect for mobile DJs, live events, clubs, and fixed installations. Its advanced SysCore DSP provides smart FIR/IIR filtering, adjustable delay (up to 50 m), and six application presets, including cardioid and low-latency modes. You can configure and control the subwoofer via the onboard color display with one-knob control or wirelessly using the free ICOA PRO app over Bluetooth 5.1 with True Wireless Stereo and Mirroring. Built into a rugged birch plywood cabinet with a shock-resistant grille and durable polyurea coating, it includes M20 pole mounts, stacking recesses, ergonomic handles, and airflow-optimized ports for professional, reliable per