Denon AVR-S660H vs Yamaha RX-A2A review

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The Denon AVR-S660H vs Yamaha RX-A2A comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.

Amplifier

The number of channels for receivers is different - 5.2 versus 7.2, respectively, for devices. In terms of power, there are differences, the AVR-S660H has such a ratio W/Ohm - 75/8, 100/6, while the RX-A2A has a power of 100/8. The value of total harmonic distortion is also different, and for the AVR-S660H it is 0.08%, but for the RX-A2A it is 0.06%.

Audio features

The manufacturer installed different DACs, the AVR-S660H received the model 192 KHz/32-bit, but the RX-A2A is equipped with 384 KHz/32-bit. The Bi-amping function is implemented only in the Yamaha RX-A2A. The model RX-A2A can transmit an audio signal directly to the amplifier and bypasses any DSP processing.

Connectivity

These units have the same Wi-Fi modules. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay, AirPlay 2. Access to the Spotify service is on each of the competitors. Most popular streaming services are available for our models under consideration - Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud.

Video features

The HDR10+ function is present in each of the rivals. The quality of 4K/120Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the AVR-S660H and the RX-A2A. Each of the devices can increase the resolution of the incoming video signal. Each of the participants of the comparison has a Dolby Vision.

Extensive connections

The number of HDMI inputs/outputs varies depending on the receiver, the AVR-S660H has 6/1, and the RX-A2A has 7/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is supported by the AVR-S660H and the RX-A2A. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. AVR-S660H and RX-A2A support the standard HDCP 2.3. Like most receivers, our models have a built-in phono stage for connecting a vinyl player. Voice control is performed using Amazon Alexa, Google Assistant, Siri, Josh.AI in both models. There is an ECO mode in either AV receiver. The Denon AVR-S660H and the Yamaha RX-A2A can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available only in the RX-A2A. Only in the RX-A2A realized a DTS:X surround technology.