What is the best way to get the audio signal to the subwoofer amplifier?
If your system is a relatively new multi-channel home theater receiver, it will have an “LFE” (low frequency effect) or subwoofer output. This is a single or dual-mono RCA jack output and is the best way to get the signal from the processor to the subwoofer. The output level of this jack will change in unison with the main volume control of the receiver, meaning that once you set the relative level of the subwoofer it should always match the main speakers. This jack also usually has an adjustable output level that can provide more or less signal to the subwoofer, useful in “fine tuning” the bass levels. Usually the default setting of 0 dB will work well with most subwoofers, but in some cases raising or lowering this may be necessary. Generally we want the subwoofer’s volume control to be set near 50%. • I don’t have a subwoofer out jack, what other connection can I use? The next best connection possibility is using the speaker, or high-level, connections. This input on the plate ampli
