- x10 range switch on both channels
- Low frequency summed (subwoofer) output
- Individual-level controls on all outputs
- 40Hz high pass (low cut) filter both channels
- Mode switches for mono 4-way or stereo 2-way/3-way operation
- XLR balanced ins and outs
- Stereo/Mono status LEDs indicate the selected model
- 24dB per octave Linkwitz-Riley filters (the professional standard)
- Phase reverse switch on all outputs
- CE compliant