The 9900 series is an excellent choice for subwoofers, designed for demanding bassaholics with an interest in the natural. These subwoofers offer endless system design possibilities and provide long-lasting power handling with accuracy and high excursion capabilities.

Key Features:

• -18″ subwoofer
• Cast iron enclosure
• 2 x 2 ohm voice coil
• Magnet weight: 31.7 kg
• Voice coil diameter: 4″
• Displacement drive: 9.4 liters
• Recommended enclosure: 140-170 liters (NET)
• Power handling capacity: 2500 W RMS
• Maximum power handling capacity: 10,000 watts
• X-max: +- 22 mm
• X-mech: 100 mm
• Qts: 0.49
• Fs: 36.09 Hz
• Vas: 85.15 liters
• Mounting depth: 267 mm
• Cutout diameter: 429 mm