Why would this product have SpeakerLink and MHR?

- Is it for having the 818 and 808 as sources?

- Connecting it to Meridian speakers?

- Connecting it to the 861 with some upgraded RC capable of handling MQA (sounds like overkill to have all that analoge stuff for that)?

Current main Sweden: 861v8, 808v6, UHD722, Oppo 103, Dell S718QL short throw Laser 4K HDR
8KUSE, 7200HCUSE, 3200
Other apartment: 818v3, MD600, 5200SE
Study : Meridian Prime Amplifier, Sennheiser HD 820
on the go Focal Bath's
Not connected(possibly for sale): G95, F80, HD621, 7200HC.2, 218