- Single 18"phase inverted subwoofer.
- Computer aided design to optimize frequency and phase response.
- Frequency response range: 36Hz - 2kHz (-3dB).
- Sensitivity 97dB, MAX.SPL 121dB/127dB(PEAK).
- Rated power 500W, 2000W (PEAK).
The Beta Three® Xi series is a series of compact two-way professional speakers housed within a premium birch plywood enclosure. The Xi series is specially designed with the latest technology to optimize phase response, and it provides an incredibly high-power output with low distortion and a flat frequency response in various applications demanding extraordinary acoustic performance.