LD Systems ICOA SUB 18 A – 18" Active PA Subwoofer

The LD Systems ICOA SUB 18 A is a professional active subwoofer with a bass-reflex design that delivers deep, dynamic bass in demanding sound systems. Featuring an 18" woofer and a powerful class D amplifier, it provides exceptional sound quality and high output, making it perfect for both stage and mobile use.

Product Features

• 600 W RMS power, 2400 W peak power
• Maximum SPL: 133 dB
• DynX™ DSP with presets and cardioid mode
• 18 mm plywood enclosure – roadworthy and durable
• M20 thread mount for pole-mounting a top speaker
• Efficient convection cooling

Deep sound with full control

Thanks to the advanced DynX™ DSP, the ICOA SUB 18 A offers four application presets and three crossover settings – 80 Hz, 100 Hz, and 120 Hz. The additional cardioid mode allows for controlled bass dispersion, especially useful for stage applications.

Perfect for various applications

This active subwoofer is ideal for PA systems at concerts, events, DJ performances, clubs, and multimedia presentations. It works flawlessly in both mobile setups and permanent installations, providing powerful low-end reinforcement.

Technical Specifications

• Type: Active subwoofer, bass-reflex
• Speaker: 18” woofer
• RMS Power: 600 W
• Peak Power: 2400 W
• Max SPL: 133 dB
• DSP: DynX™ with 4 presets and cardioid mode
• Frequency Range: from 29 Hz (depending on preset)
• Inputs: 2 x XLR/6.3 mm TRS combo
• Outputs: 2 x XLR
• Enclosure: 18 mm plywood
• Dimensions: 626 x 672 x 637 mm
• Weight: 44.3 kg

Materials and Build

The enclosure is made of durable 18 mm plywood, finished with a scratch-resistant textured coating. A solid metal grille protects the woofer, while four ergonomic rubberized handles make transport easy. The rear panel allows optional wheel mounting for extra mobility.

What's in the box

• LD Systems ICOA SUB 18 A
• Power cable
• User manual

Why choose the LD Systems ICOA SUB 18 A?

If you're looking for a powerful and versatile active subwoofer for your PA system, the LD Systems ICOA SUB 18 A is an excellent choice. It combines performance, reliability, and mobility, offering professional-grade bass response for any event or stage. With advanced DSP and rugged construction, it’s ready for any sound reinforcement challenge.