LD Systems ICOA SUB18A 2400 Watt Powered 18" Bass Reflex PA Subwoofer
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Sometimes the gear on the computer screen seems like a better fit than when you actually get your hands on it. We understand, and that’s why AMS offers an industry-leading 45-day money-back guarantee. If you’re not happy with an item, you have a full month and a half to send it back! We don’t want to just sell you gear. We want to sell you the RIGHT gear — even if it takes a few tries.
0% Interest
Payment Plan
Don’t sell your soul to a creditor to get the gear you need. At AMS, we want to lower the barriers to create. That’s why we offer in-house 0% financing, and you don’t even have to open a new line of credit! Spread out payments on your credit card to simplify financing and avoid hefty late fees or service charges. Cost shouldn’t interfere with your creativity.
Dent and Scratch are items that are truly dented or may have noticeable finish flaws. Most products will show signs of regular wear and tear. These items are a great choice for musicians who are looking for a deep discount and are not worried about finish flaws. These products are 100% inspected and tested to guarantee functionality. They include all components, manuals and the full Manufacturer's warranty unless otherwise stated, along with the AMS 45-Day Money-Back Guarantee to ensure your satisfaction. Special offers, promotions and rebates may not apply. The following manufacturers do not offer a warranty on Dent and Scratch items: Casio, Ampeg, Avalon, Chauvet, Electro-Voice, Gibson, Ibanez, Mackie, Martin, Peavey, PreSonus, Taylor
Some speakers can get loud, but real music lives in the bass. The LD ICOA 18A is a powered 18" subwoofer built to make your set hit harder, cleaner, and deeper. With 2400 watts of Class D power, it doesn’t just add boom; it frees up your mains, giving you more headroom and clarity across the entire mix. Whether you’re pushing a band, a DJ rig, or a multimedia event, this LD subwoofer 18A brings the chest-thumping presence that turns sound into an experience.
Power and Control for Every Performance
The LD ICOA 18A gives you both raw power and the control to shape it to the room. Its DSP presets, crossover options, and cardioid mode let you dial in everything from chest-thumping club sound to subtle reinforcement for a conference.
2400W Class D amplifier with 133 dB max SPL
18" bass reflex driver reaching down to 29 Hz.
DynX DSP with 4 presets (3 crossover frequencies plus cardioid)
Adjustable delay line up to 10 meters for larger setups
Switchable polarity for flexible system alignment
With this kind of versatility, the LD ICOA 18A isn’t just a subwoofer; it’s the foundation that makes your whole mix sound tighter, clearer, and more powerful.
Rugged Design, Seamless Integration
The LD subwoofer 18A was built for the road, with a housing tough enough for touring and features that make setup simple. From stacking grooves, every detail is designed to get you in and out of gigs without slowing you down.
18 mm laminated plywood cabinet with protective corners
Four ergonomic aluminum handles with rubber grips
Stackable design with built-in grooves for stable setups
M20 pole mount for flying your mains above the sub
Dual combo inputs + XLR outputs for flexible connectivity
Dimensions & Weight: 26.5 x 25.1 x 24.6"; 97.7 lbs.
The ICOA SUB18A is equally at home in clubs, on tour, or in permanent installs: always ready to rumble, never overcomplicated.
Bring the Thunder with the LD ICOA 18A
If your shows need more punch, more depth, and more presence, the LD ICOA 18A is the sub that brings it. Add one to a small system for instant authority, or scale up with multiple subs in cardioid arrays to control the room’s low end. However you run it, it’s the piece of gear that makes your whole system sound pro.
Line Input Connectors: XLR/6.3 mm jack combo jacks (balanced)
Line Outputs: 2
Line Output Connectors: XLR
Power Supply: 100 - 240V
Power Consumption (max.): 675W
Operating Temperature: 0 - 40 °C
Relative Humidity: < 60% (non-condensing)
Cabinet Material: 18 mm Multiplex
Cabinet Surface: texture paint
Cabinet Construction: Bass Reflex
Dimensions (W x H x D): 626 x 672 x 637 mm
Weight: 44.3 kg
Frequently Asked Questions
The ICOA SUB18A delivers 2400 watts peak power, providing strong low‑frequency output suitable for DJs, live bands, and medium‑to‑large venue sound reinforcement.
Users often search for how low it goes — the subwoofer typically reaches down to around 29 Hz, giving it deep, impactful bass response for modern music and live sound.
Yes. It’s frequently used by mobile DJs, event companies, and live sound engineers because of its high SPL, durable build, and compatibility with most PA systems.
The subwoofer includes professional XLR inputs and outputs, making it easy to integrate with mixers, powered tops, and other PA components.
The subwoofer weighs roughly 97–120 lbs. It’s considered a large, professional‑grade sub, so it’s portable with help but not lightweight.
