DD audio 818f-D1

- 18″ subwoofer

- 4″ voice coil wound of Made in USA wire

- 2x 1 ohms

- alucast frame with dd-logos

- power handling 2500 W RMS, 7500 W Peak

- weight: N/A

- mounting diameter: 416.9 mm

- mounting depth: 317.5 mm

- x-mech: 100 mm

- x-max: +- 31 mm

- fs: 27 Hz

- qts: 0,7899

- vas: 155.3 Liter

- recommended ported enclosure: 142-198 liter ( NET )

- recommended sealed enclosure: N/A