TX-SR3100

• Positioning: The entry-level AV receiver in Onkyo's lineup.
• Description: Offers a solid foundation for home entertainment with its 5.2-channel setup, making it ideal for small to medium-sized rooms. Features Dolby Atmos and DTS:X for immersive sound, which is a step up from basic stereo systems but lacks the advanced room correction found in higher models like the TX-NR5100.

TX-NR5100

• Positioning: Positioned as a mid-range AV receiver with 7.2 channels.
• Description: Stands out with its 8K HDMI support, making it future-proof for high-resolution content, which is not available in the TX-SR3100. Includes AccuEQ calibration for better sound optimization, offering a more refined audio experience compared to the TX-SR3100, but without the THX certification of the TX-NR7100.

TX-NR7100

• Positioning: A higher-end model with 9.2 channels, offering more power and features.
• Description: Excels with THX certification and Dirac Live room correction, providing superior sound calibration and performance. Offers more channels and advanced audio processing than the TX-NR5100.

TX-RZ50

• Positioning: A premium 9.2-channel AV receiver with advanced features.
• Description: Equipped with full-bandwidth Dirac Live for precise audio calibration, setting it apart from the TX-NR7100. Supports 8K video and has a robust build quality.

TX-RZ70

• Positioning: The flagship model in Onkyo's AV receiver lineup.
• Description: Delivers the ultimate home theater experience with 11.2 channels and Dirac Live Bass Control, providing exceptional sound precision and power. Surpasses the TX-RZ50 with additional channels and enhanced audio features.