Can u run LFE and l/r into one RCA into sub's input?

This may be a no-brainer, but I have one long RCA running to my sub- can I split that 3 ways to connect the receiver sub and main output to the sub input? Or would I need 3 discrete cables?
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350" 1080p 3D Mitsubishi projector
AVR: Yamaha RX-V2700
Mains: T90e's (bi-amped)
Center: CSiii
Surrounds: 2x T90e's
Subs: 2x PSW650
Post edited by z28chrismac on

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