AD-18X2125YX 18-Inch High-Power Subwoofer
The AD-18X2125YX 18-Inch High-Power Subwoofer is a premium-grade 18-inch subwoofer engineered for deep, powerful, and distortion-free bass in high-performance audio systems. With a nominal RMS power of 2100W and a peak power handling of 4200W, this subwoofer delivers robust low-frequency response, ideal for concerts, nightclubs, PA systems, and large-scale sound reinforcement.
The AD-18X2125YX uses a large 5-inch (127mm) in/out voice coil that handles high power efficiently. It resists overheating and ensures long-lasting performance during continuous use. The large voice coil enhances the subwoofer’s ability to manage heat efficiently, contributing to improved reliability and cleaner sound at higher volumes.
A powerful Y35-grade magnet (measuring 280×140×25mm) lies at the heart of its structure, providing strong magnetic force for precise cone movement and punchy, accurate bass output. The subwoofer covers a wide frequency range of 35Hz to 2000Hz, allowing for rich low-end performance and smooth transitions into the lower midrange.
The aluminum basket not only adds durability but also assists with heat dissipation and reduces overall resonance. With a sensitivity rating of 97 ± 2dB, the AD-18X2125YX is highly efficient, producing impressive sound output even at moderate input levels. Its 8-ohm nominal impedance and 5.2-ohm DC resistance offer broad compatibility with professional amplifiers and crossover systems.
Despite its solid construction, the unit maintains a manageable net weight of 20.3 kg, making it suitable for fixed installations and professional touring setups alike.
Whether you’re building a new sound system or upgrading your current setup, the AD-18X2125YX delivers the power, precision, and performance you need. Therefore, it’s an excellent choice for achieving high-impact audio in any professional setting.

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