Yamaha RX-S602 vs Yamaha RX-A1070BL comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Yamaha RX-S602 has 5.1 versus 7.2 for Yamaha RX-A1070BL. Regarding power, then RX-S602 has such a W/Ohm ratio - 80/8 20Hz-20KHz, 125/6 1KHz when RX-A1070BL has a power of 110/8 20Hz-20KHz. The THD is 0.08% for the RX-S602 but 0.06% for the RX-A1070BL.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 384 KHz/32-bit for RX-S602 and ESS 192 KHz/24-bit for the RX-A1070BL. Both the RX-S602 and the RX-A1070BL support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. The Yamaha RX-S602 has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. The RX-S602 can work with the audio stream from Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz, and the RX-A1070BL can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM. Compared AV receivers retain the quality of 4K 60p signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The RX-A1070BL can scale the input HDMI signal, unlike the RX-S602. Dolby Vision technology found support only on the RX-A1070BL.
The Yamaha RX-S602 has 4/1 HDMI inputs/outputs versus 8/2 HDMI connectors of the Yamaha RX-A1070BL. 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. The RX-S602 supports the protection of digital content of the standard HDCP 2.3, versus HDCP 2.2 in the RX-A1070BL. The RX-A1070BL has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. The RX-S602 supports voice control via Amazon Alexa, Google Assistant, and the RX-A1070BL - Amazon Alexa. It is also worth noting that the ECO mode is presented in each of the receivers. Both RX-S602 and RX-A1070BL can be configured using the Setup assistant.
Only the RX-A1070BL has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the RX-A1070BL.
The Yamaha RX-A1070BL is better receiver in this comparison. Check Yamaha RX-A1070BL price