To receive digital audio broadcasting, you will need an HD Radio tuner. Some receivers have the tuner built-in, while others have the option to add a tuner.
A wireless remote control is included with or is an optional accessory for this model.
The receiver is compatible with optional components that will receive digital satellite radio broadcasts such as Sirius or XM Satellite Radio. The digital satellite service must be subscribed to separately.
A set of non-fading RCA outputs designed specifically for the subwoofer amp, often coupled with a built-in low-pass crossover and level control.
The receiver is compatible with Bluetooth technology. 'Built-in' means that the Bluetooth adapter is a part of the receiver and a separate box is not required.
'Included' means that the separate box is included with your new receiver.
'Optional' means that you will need to purchase an adapter.
Bluetooth Hands Free Calling
Bluetooth Audio Streaming
Number of RCA output jacks on the rear of the receiver, used for connecting external amps. The most common configurations are 2 channels (one pair of R/L stereo outputs), used for connecting a 2-channel amp; 4 channels (two pairs of R/L stereo outputs), used for connecting a 4-channel amp, and 6 channels, with the third pair of outputs generally intended for use with a subwoofer amp.