Passive reference subwoofer
Passive 21" Reference Subwoofer
A high-output low-frequency system for pairing with the amplifier of your choice.
- 21-inch high-excursion driver
- 4 ohm nominal impedance
- 1000 W RMS / 2000 W peak handling
- 25 Hz - 200 Hz frequency response
- Triple front-ported bass reflex cabinet
- Dual Neutrik Speakon NL4 connectors
Built for deep, accurate bass with no onboard amplifier.