Kyota Hatsumei M900 AI 4D review and specifications

This review brings together the specifications documented for the Kyota Hatsumei M900 AI 4D massage chair.

Documented specifications

• Brand: Kyota
• Model number: M900AI
• Product type: Full-body massage chair
• Massage mechanism: 4D
• Roller track: L
• Massage programs: 20
• Minimum user height: 142.2 cm
• Maximum user height: 188 cm
• Maximum user weight: 136.1 kg
• Warranty: 4-year limited residential warranty (see regional terms)
• Market region: United States

What to check before buying

• Measure doorways and the planned installation area. Confirm how much room the chair needs when fully reclined and check the user height and weight limits.
• Ask who provides service in your region and which parts, labor and travel costs the warranty covers.
• Check which massage settings can be adjusted manually, including intensity and roller position. If you try the chair, start with a gentle setting.

Sources

This review draws on the archived listing and its linked source. We did not test the chair or assign a rating.

• Source cited in the archive
• Product image cited in the archive
• Source check date in the archive: 2026-09-13