In reality, you could hook this up to your LFE output on your receiver, but you would need an external amplifier to drive it, and it is designed to enhance the bass on the tinny, tiny Bose speakers that they normally have. This isn't a subwoofer, and it isn't a full range speaker. If you look at their drawings for the product, it really is designed to be a part of a integrated professional system that uses a mixer with multiple outputs and active signal processing to break off the specific frequency range these specific speakers use.
I think, by far, the best advice is to sell this unit and look for an actual subwoofer. Something which pairs properly with your room and your existing speaker setup.
If you do want to give it a try, you could plug it into any output of your Sony.
You can pick up bare wire to speakon cables online pretty easily for under 20 bucks...
Buy Rockville RHC10 10 Foot Speakon to Bare Wire Speaker Cable,16 Gauge,100% CopperDirect with a 90 day money back guarantee including return shipping
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