Yes, the CoolStream Duo is compatible with the TEAC SRLXi. You can plug the Duo into the 30-pin connector of the TEAC SRLXi and stream music or podcasts from your phone, tablet, or laptop. The Duo pairs with ALL iPhones and ALL Android phones.
The CoolStream Duo turns older docking stations like the TEAC SRLXi into Bluetooth speakers. The 30-pin connector powers the Duo and is also the audio jack for the music coming from the paired phone.