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The HL-218 dual 18-inch subwoofer is a high-output professional bass system designed for large-scale sound reinforcement, touring productions, and concert PA systems. Built with two long-excursion 18-inch neodymium drivers, the HL-218 delivers deep, powerful low-frequency performance with high efficiency and minimal distortion.
The enclosure features a bandpass horn cabinet design, which significantly enhances bass output and low-frequency extension. This design allows the system to produce strong, impactful bass that can fill large venues such
as outdoor festivals, arenas, and large auditoriums.
Constructed from premium Russian birch plywood, the cabinet offers excellent rigidity and acoustic stability for demanding professional use. The enclosure is finished with a durable polyurea waterproof coating, protecting the cabinet from moisture, scratches, and transportation wear.
With its powerful output capability and robust construction, the HL-218 is an ideal professional PA subwoofer for high-energy music events and large-scale sound systems.
Dual 18-inch long-excursion neodymium drivers
High-output bandpass horn subwoofer design
Designed for ground-stacked subwoofer arrays
High power handling 2000W RMS / 4000W peak
Rugged Russian birch plywood cabinet
Durable polyurea waterproof coating
Heavy-duty metal grille with acoustic foam
Professional NL4 speaker connectors
The HL-218 professional subwoofer is widely used in:
Large concert sound systems
Touring and rental PA systems
Outdoor festivals and live events
Stadiums and arenas
Nightclubs and music venues
Large auditoriums and theaters
Nominal impedance | 4 Ω |
Power handling capacity (RMS/peak 10ms) | 2000/4000 W |
Components | 2 x 18" driver with neodymium magnet |
Connections | 2 x NL4 |
Dimensions (H x W x D) | 585 x 1160 x 920 / 1046 mm 23 x 45.7 x 36.2 / 41.2” |
Weight | 106 kg (234 lb) |
The HL-218 dual 18-inch subwoofer is designed for large-scale sound reinforcement applications such as live concerts, music festivals, touring productions, nightclubs, and stadium events. Its high SPL output and deep bass extension make it ideal for professional PA systems that require powerful low-frequency performance.
Yes. The HL-218 professional subwoofer is commonly paired with line array speakers to build a full-range concert sound system. It provides strong low-frequency support for line array tops, ensuring balanced sound coverage and powerful bass impact for large audiences.
The number of HL-218 subwoofers depends on the venue size and required bass output. For medium events, 2–4 subwoofers per side may be sufficient. For large concerts or outdoor festivals, systems often use 6–12 subwoofers configured in ground-stacked arrays to maximize bass coverage and SPL.
The HL-218 dual 18-inch subwoofer requires a high-power professional power amplifier with sufficient output and DSP control. Using a DSP amplifier with limiter and crossover settings helps optimize system performance and protects the speakers during high-power operation.
Yes. The cabinet is constructed from high-grade birch plywood and finished with a durable polyurea coating, making it highly resistant to scratches, moisture, and transportation wear. This makes the HL-218 a reliable choice for touring productions, rental companies, and mobile sound systems.
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