Sony Str K670p Manual ((top)) -

: Engineered specifically for speakers between 6 and 16 ohms.

Do not plug the AC power cord into the wall until all audio and speaker wires are secured. sony str k670p manual

If your specific regional unit has a physical voltage selector on the back panel, ensure it matches your local power grid before turning the unit on. 🔊 Step 2: Audio Optimization and Sound Fields : Engineered specifically for speakers between 6 and 16 ohms