Denon AVR-S660H vs Denon AVR-X1500H review

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It’s strongly recommended to compare different receivers if you want to choose the best one: Denon AVR-S660H vs Denon AVR-X1500H.

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 AVR-X1500H has a power of 80/8, 120/6. A common feature for devices is the same total harmonic distortion - 0.08%.

Audio features

Competitive models use the same DAC. The Bi-amping function is implemented only in the Denon AVR-X1500H. The model AVR-X1500H can transmit an audio signal directly to the amplifier and bypasses any DSP processing. 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. The number of available streaming services varies for receivers, the Denon AVR-S660H works with Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud, but the Denon AVR-X1500H works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud.

Video features

Signaling over HDMI in standby mode can provide the AVR-S660H and the AVR-X1500H. Video scaling is only possible with the AVR-S660H. Each of the participants of the comparison has a Dolby Vision.

Extensive connections

The number of HDMI inputs/outputs is the same - 6/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the AVR-S660H. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The AVR-S660H has support for the standard HDCP 2.3, compared to the AVR-X1500H, which supports the standard HDCP 2.2. 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 Denon AVR-X1500H can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available only in the AVR-X1500H. Only in the AVR-X1500H realized a DTS:X surround technology.