55-2984

This 18″ low-cost general replacement woofer is designed to deliver reliable low-frequency performance for a wide range of pro-sound applications. Featuring a robust die-cast basket and 300 W power handling, it provides solid output and durability for demanding audio environments. With a sensitivity of 92 dB and 8 Ω impedance, this woofer offers efficient operation and easy system integration. Its wide frequency response from 30 Hz to 2.5 kHz makes it an excellent choice for two-way loudspeaker cabinets or use as a subwoofer. Optimized for sealed enclosures, this driver delivers tight, controlled bass, making it ideal for PA systems, stage monitors, replacement installs, and general professional audio use where performance and cost efficiency are equally important.

• Professional die cast woofer
• Nominal diameter is 18inch
• Rated impedance is 8ohm, operating bandwidth is 30-2.5KHz (-3dB)
• Power handling capacity is 300W, sensitivity (1W/M) is 92dB (±3dB)
• Voice coil diameter is 4inch
• Resonance frequency is 27.118Hz, DC resistance is 6.3ohm
• 2.7604 mechanical Q factor, 0.4683 electrical Q factor, 0.4004 total Q factor
• Cast aluminum basket, 100oz magnet
• 67.7 efficiency bandwidth product
• 7mm voice coil over hang
• Electrical Q Factor Qes: 0.47
• Total Q Factor Qts: 0.4
• Equivalent Cas air load Vas: 473.84 liters
• Coil Inductance Le: 1.60 mH
• Voice Coil Over Hang X-max 7mm
• Cutout: 16.93"
• Mounting Depth: 8.12"
• Basket: Die cast frame
• Magnet Type: 100 OZ
• Cone Material: Treated paper