Source Audio SA144 Source Audio Soundblox Pro Poly-Mod Filter[Product Information]- 23 Filter Sounds including 2-Pole Low Pass， 4-Pole Low Pass， Single Peak， Triple Peak， Peak & Notch， and Phasers.
- Positive and Negative filter sweep with variable range and sensitivity.
- Wet/Dry Mix knob featuring our signature low-end preserving algorithm Lo-Retain.
- 4 modulation sources including envelope， LFO， expression pedal and Hot Hand.
- Tap tempo speed control for LFO and State-of-the-art DSP—Our proprietary 56-bit Digital Signal Processor， the SA601， with crystal clear 24-bit converters.
