Denon AVR-S640H vs Marantz NR1609 review

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What is better - Denon AVR-S640H vs Marantz NR1609?

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-S640H has such a ratio W/Ohm - 75/8, 100/6, while the NR1609 has a power of 50/8, 70/6. A common feature for devices is the same total harmonic distortion - 0.08%.

Audio features

The manufacturer installed different DACs, the AVR-S640H received the model 192 KHz/32-bit, but the NR1609 is equipped with 192 KHz/24-bit. The Bi-amping function is implemented only in the Marantz NR1609. Both Denon AVR-S640H and Marantz NR1609 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-S640H works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, but the Marantz NR1609 works with Deezer, Pandora, TuneIn Radio.

Video features

Support for the HDR function can only boast of each of the AV receivers. The quality of 4K/60Hz 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-S640H and the NR1609. Video scaling is only possible with the NR1609. 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-S640H has 5/1, and the NR1609 has 8/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the AVR-S640H and the NR1609. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. AVR-S640H and NR1609 support 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-S640H and the Marantz NR1609 can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available only in the NR1609. Only in the NR1609 realized a DTS:X surround technology.