1. Reverb low-pass filter adjustable range: 5.99Hz - 20.6KHz
2. Reverb high-pass filter adjustable range: 0Hz - 1000Hz
3. Reverb level adjustable range: 0 ~ 100%
4. Reverb direct sound adjustable range: 0 ~ 100%
5. Echo pre-delay adjustable range: 0 ~ 200ms
6. Reverberation time adjustable range: 0 ~ 3000ms