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