My Sonos system is bridged to the perfectly fine 1980's hi-fi setup in the lounge but that bridge is now out of support from Sonos. Feeling a bit ripped off her

My Sonos system is bridged to the perfectly fine 1980's hi-fi setup in the lounge but that bridge is now out of support from Sonos. Feeling a bit ripped off here as I only bought the bridge four years ago.