A:Answer The Cinema 600 subwoofer cannot be wired to a receiver/amplifier, as it does not have standard RCA subwoofer inputs. We do not sell the bar separately, but you may still contact Klipsch for support! Please reach out to Klipsch Support to speak directly with a product support representative. For Quickest contact, we recommend opening a "chat" - https://bit.ly/klipschsupport