https://rel.net/blogs/learn-and-explore/how-to-connect-your-rel-to-a-class-a-b-amp
How to Connect a REL to a Class A/B Amp | REL Acoustics
How to Connect a REL to Audio Research REF Amplifiers: Ensure optimal sound by connecting your REL subwoofer correctly to REF amps. Read more today.
how to connect a relclass b