89%
Odds it works through 2029Last checked: October 14, 2026.
Marantz makes AV receivers and hi-fi gear with HEOS streaming built in. Masimo sold Sound United, including this brand, to Harman in September 2025.
CompanyHarman (owned by Samsung) since September 2025, after Masimo owned it from 2022
Works withHEOS, Apple AirPlay 2, Alexa and Roon
Needs the cloud?No for basic use. Receivers work with their remote and inputs
Subscription for basics?No
Past changesMasimo sold Sound United, including this brand, to Harman in September 2025
How long devices get supportMarantz does not publish how long HEOS supports each model.
Why 89%
- Starting point90%A brand owned by a large company.
- Track record0No shutdowns so far.
- Works without the cloud+2Receivers work fully without the app.
- Other risks−3Has changed owners twice since 2022: Masimo bought it in 2022 and sold it to Harman in 2025.
- Our estimate89%
The good news: Marantz receivers work fully with their remote, and Harman is a big owner.
The bad news: Marantz changed owners twice in a few years, and HEOS streaming features depend on its app.
If you own Marantz
- Use AirPlay or the inputs as a backup to HEOS.
- Keep your receiver’s firmware up to date.