This connection allows the subwoofer to operate with both music and surround sound movies (refer to your receiver manual). In absence of a subwoofer output on your receiver, as an alternative hookup, you can connect Left and Right chan-nel Pre-Amp Outputs from your receiver (if provided) to the Left/LFE and Right input on the subwoofer.. LEFT/LFE. This connection allows the subwoofer to operate with both music and surround sound movies (refer to your recei r manual). In absence of a subwoofer output on your receiver, as an alternative hookup, you can connect Left and Right channel Pre-Amp Outputs from your receiver (if provided) to the Left/LFE and Right input on th
View and Download Klipsch SUB-10 owner's manual online. Synergy Series. SUB-10 subwoofer pdf manual download. Also for: Sub-12.. Note: When a powered subwoofer is connected to the Fives, there is an automatic 80 Hz high-pass filter applied to those speakers, as well as an 80 Hz low-pass filter applied to the subwoofer output. Because of this, Klipsch recommends turning the crossover (low-pass) knob to LFE.