Onkyo TX-SR393 vs Sony STR DH550 review

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An affordable AV receiver is always a good option to consider, so Onkyo TX-SR393 vs Sony STR DH550 comparison definitely makes sense.

Amplifier

Considered AV receivers have the same number of channels 5.2. Regarding power, then TX-SR393 has such a W/Ohm ratio - 80/8, 155/6 when STR DH550 has a power of 90/6. The THD is 0.08% for the TX-SR393 but 0.09% for the STR DH550.

Audio features

Characteristics of digital to analog converter (DAC) are different, AKM 384 KHz/32-bit for TX-SR393 and 192 KHz/24-bit for the STR DH550. None of the models support Bi-amping. Sound transmission directly to the amplifier in Pure direct (straight) mode is not implemented in these models.

Connectivity

Both models do not have WI-FI support. Only the TX-SR393 has Bluetooth support. Each of these units does not support Apple Music. Competitors do not have built-in Spotify service. Only the TX-SR393 provides HDMI signal transmission in standby mode. The TX-SR393 can scale the input HDMI signal, unlike the STR DH550. Dolby Vision technology found support only on the TX-SR393.

Extensive connections

Each receiver has 4/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. Receivers do not have a built-in phono stage for connecting a vinyl player. A voice control is not available. An ECO mode is not present in each of the AV receivers. Unfortunately, the setup assistant is not available in each of the models.

Multichannel surround

Only the TX-SR393 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the TX-SR393.