Sony STR-DH550 vs Sony STR-DH770

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Sony

STR-DH550


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Sony

STR-DH770


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Basic Info
Price range
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Main features
Number of channels5 channels7 channels
RMS power90 watts90 watts
THD0.09 %0.09 %
Min. impedance6 ohms6 ohms
Connectivity
Internet
Bluetooth
Airplay
Remote app
USB - Iphone
MHL compatible
Functionalities & Surround
Tuner
Standby Pass through
Multi-room audio
Dolby DD+
Dolby Atmos
DTS:X
Inputs
HDMI inputs4 inputs4 inputs
Phono inputs
AV inputs4 inputs4 inputs
Audio inputs2 inputs2 inputs
Optical inputs21
Coaxial inputs11
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Comparison of Sony STR-DH550 vs Sony STR-DH770

the Sony STR-DH550 has fewer channels (5) compared to the 7 channels of Sony STR-DH770 and the two receivers have the same RMS power of 90 watts per channel. The Sony STR-DH550 and the Sony STR-DH770 have the same total harmonic distortion of 0.09 %. Moreover, the Sony STR-DH550 and the Sony STR-DH770 both have a minimum impedance of 6 ohms.

The Sony STR-DH550 cannot be connected through the internet, it cannot connect through bluetooth, the Sony STR-DH550 is MHL-compatible (a technology to connect mobile phones, tablets or other devices to your AV receiver ), and it does not have an integrated tuner. Concerning the connectivity and the surround system, the Sony STR-DH550 has 4 HDMI inputs, and it does not have the dolby ATMOS technology but it cannot be connected to Apple products via the Airplay technology.

The Sony STR-DH770 cannot be connected to the internet network, it can connect through bluetooth, the Sony STR-DH770 is unfortunately not MHL-compatible, yet it does not have an integrated tuner. Concerning the connectivity and the surround system, the Sony STR-DH770 has 4 HDMI inputs and it does not have the dolby ATMOS.

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