18-inch high-power low-frequency woofer for professional PA & subwoofer systems
High power handling: 1800 W RMS / 3600 W Program
8 Ohm nominal impedance – easy amplifier matching
High sensitivity (~97 dB) for strong output with efficient power use
Wide frequency response: approx. 30 Hz – 1 kHz
4.5-inch large copper voice coil (inside/outside winding) for excellent heat dissipation
Advanced cooling / venting system to reduce power compression
High excursion capability for deep, punchy bass at high SPL
Robust cone & triple-roll surround for durability under heavy use
Strong motor structure (high BL factor) for tight, controlled low frequencies
Designed for vented, reflex & horn-loaded cabinets
Ideal for: professional subwoofers, live sound, DJ systems, concerts & touring rigs
The LF18X451 is a high-power 18-inch low-frequency woofer designed for professional audio systems such as subwoofers, PA systems, DJ rigs, and live sound reinforcement. It delivers deep, controlled bass with high power handling and excellent reliability under demanding conditions. The driver’s robust construction and advanced design features make it suitable for high-SPL output and efficient performance in vented, horn, and reflex cabinet designs.
| RATED POWER | 1800W |
| MAX POWER | 3600W |
| NOMINAL DIAMETER | 18″ |
| SENSITIVITY | 96dB |
| VOICE COIL DIAMETER | 4.5″ |
| MAGNET SIZE | 256 mm |
| MAGNET TYPE | FERRITE |
| FREQUENCY RANGE | 32Hz-2. 8KHz |
| WEIGHT | 16.00 KG |
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