Onkyo TX-SR343 vs Onkyo TX-RZ610 review

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What is better - Onkyo TX-SR343 vs Onkyo TX-RZ610?

Amplifier

The number of channels for receivers is different - 5.1 versus 7.2, respectively, for devices. In terms of power, there are differences, the TX-SR343 has such a ratio W/Ohm - 100/6, while the TX-RZ610 has a power of 100/8, 170/6. A common feature for devices is the same total harmonic distortion - 0.08%.

Audio features

The manufacturer installed different DACs, the TX-SR343 received the model TI Burr-Brown 192 KHz/24-bit, but the TX-RZ610 is equipped with AK4458 384 KHz/32-bit. The Bi-amping function is implemented only in the Onkyo TX-RZ610. In the considered devices there is no function transmitting an audio signal directly to the amplifier and bypasses any DSP processing.

Connectivity

Wireless Internet connection via WIFI is only possible with TX-RZ610. Each of the receivers has a Bluetooth connector. The TX-RZ610 has access to the Spotify service. 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 TX-SR343 and the TX-RZ610. Video scaling is only possible with the TX-RZ610. Operation with the Dolby Vision is only possible with the TX-RZ610.

Extensive connections

The number of HDMI inputs/outputs varies depending on the receiver, the TX-SR343 has 4/1, and the TX-RZ610 has 8/2. HDMI Audio Return Channel is only available on Onkyo TX-SR343. HDMI eARC is not supported by the TX-SR343 and the TX-RZ610. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. TX-SR343 and TX-RZ610 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Onkyo TX-RZ610. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in TX-RZ610. The Onkyo TX-RZ610 can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available only in the TX-RZ610. Only in the TX-RZ610 realized a DTS:X surround technology.