How do you think you would connect the Sonos Connect? The Seagate wireless can only serve music via WiFi to a client like a phone, tablet or computer, but I am pretty sure the Connect cannot reach into the Seagate directly, although you might want to experiment by trying to use the Seagate's IP address. Alternatively, you can plug the Seagate into a computer via USB, in which case you would need to reference the computer as the music source.

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the Seagate does DLNA streaming so it should work with Sonos

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