SIHOO B300 Pro vs SIHOO M18

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

SIHOO

SIHOO B300 Pro

$329.99 – $379.99

SIHOO

SIHOO M18

$289.99 – $299.99

6.6 lb

lighter: SIHOO M18 weighs less than SIHOO B300 Pro (official specs)

Differences at a glance

SIHOO B300 ProSIHOO M18

Price: $329.99 – $379.99$289.99 – $299.99
Seat height: 46.8–55.3 cm44–54 cm
Seat depth: 16.5–18.5 in (≈ 42-47 cm)17.91 in (≈ 45.5 cm)
Load capacity: 330 lb (≈ 150 kg)330 lb (≈ 150 kg)
Recline: Three lockable recline angles: 105°, 120°, 135°Maximum 126° recline angle
Arms: 6D All-Around Armrests (rotate, adjust, flip up)Adjustable armrests (Up and down)
Headrest: 3D Ultra-Wide HeadrestHeadrest moves 3.9" up and down and pivots 45°
Lumbar support: 4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustmentLumbar support adjusts vertically and horizontally
Warranty: 3-Year Free Warranty3 years

Which is cheaper, the SIHOO B300 Pro or the SIHOO M18?

The SIHOO M18 is cheaper to start: $289.99 versus $329.99 for the SIHOO B300 Pro at the brand stores (Oct 2026).

Which has a higher weight capacity?

Neither. Both are rated for 330 lb in their official specifications.

Which has a headrest?

Both: the SIHOO B300 Pro as standard and the SIHOO M18 as standard.