What is PCM on Denon receiver?
William Smith
Published Feb 27, 2026
What is PCM on Denon receiver?
The PCM light indicates what type of signal is coming from the selected input device, in this case, presumably from the Media box. The signal being PCM is controlled by the input device, not by the receiver.
How do I connect speaker wire to Denon AVR s750h?
Connecting the speaker cables
- Peel off about 3/8 inch (10 mm) of sheathing from the tip of the speaker cable, then either twist the core wire tightly or terminate it.
- Turn the speaker terminal counterclockwise to loosen it.
- Insert the speaker cable’s core wire to the hilt into the speaker terminal.
Why does my receiver have two subwoofer outputs?
When a receiver has dual subwoofer outputs the two are typically duplicates of each other with a common internal connection. If they are independent, and you have only one subwoofer, then simply choose one of them and indicate in the receiver setup which one you have chosen to use.
What is subwoofer preout?
A sub pre-out is a port on A/V receivers where some or all of the bass information in a signal is transmitted. A sub pre-out is meant for connecting receivers to only powered or active subwoofers. Technically, a sub pre-out port is the same as a sub-out.
Does eARC work with Arc?
Fortunately, eARC is available in far more gear than just high-end 8K TVs. The format is backward-compatible with ARC, but don’t expect to stream Atmos through an older TV. Even though most new TVs don’t need the other features of HDMI 2.1, manufacturers can implement most useful portions of HDMI 2.1, such as eARC.
What is Denon arc?
ARC (Audio Return Channel) is a function of HDMI Control (CEC – Consumer Electronics Control) that allows for audio to be sent “upstream” from the TV’s HDMI / ARC input to the receiver’s HDMI / ARC output. This is commonly used with newer TVs when streaming material from an Internet source. (