The Sony HT-X9000F vs Definitive Technology Mythos SSA-50 comparison shows that these models have some important differences and common features. The Sony HT-X9000F was rated 7, while the Definitive Technology Mythos SSA-50 has a rating 6.
Soundbars have different amplification type - active versus passive respectively to devices. A noticeable difference is the number of channels that HT-X9000F has 2.1 and Mythos SSA-50 has 5.0. A built-in subwoofer is available only in the Definitive Technology Mythos SSA-50. Rate 7 out of 10 received the Sony HT-X9000F for audio features and specs, but the Definitive Technology Mythos SSA-50 received 6 out of 10. The HT-X9000F can play audio from Spotify.
Both models do not have a wireless Wi-Fi interface. Bluetooth support integrated in the HT-X9000F. The HDMI Audio Return Channel (ARC) is implemented only in the HT-X9000F. We rated the connectivity of the HT-X9000F at 7 out of 10, while the Mythos SSA-50 was rated 6/10.
None of these soundbars can be controlled using the app. Soundbars in this review are not equipped with a microphone. The models under consideration cannot become part of a multiroom system.
Dolby Atmos audio decoder is onboard the HT-X9000F. The HT-X9000F can work with surround sound due to DTS:X support.