“The Siux Fenix Pro 4 is a raw power weapon built around a high-density EVA core and diamond shape that delivers explosive smash pace and deep drive penetration when struck cleanly.”
82/100
PRR Score
Diamond
Shape
EVA
Core
Performance
Every metric, scored out of 100.
Overall it sits in the top 32% of 1,000 rackets we’ve tested.
Power
Very High85
Control
Good68
Maneuverability
Good67
Sweet Spot
Good63
Comfort
Good64
Value
High76
Owner feedback
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Power
Control
Maneuverability
Comfort
Sweet Spot
Value
PRR Score
82PRR Score
Inside the frame
What's inside
◉
CoreEVA
Foam core determines feel and vibration damping.
▽
ShapeDiamond
Head shape affects sweet spot size and balance.
◷
Weight375g
Frame weight (unstrung, without handle wrap).
◎
LevelProfessional
Target player level for this racket.
Scores from around the web
Padeful
84/100
Our verdict
The Siux Fenix Pro 4 is a raw power weapon built around a high-density EVA core and diamond shape that delivers explosive smash pace and deep drive penetration when struck cleanly. The even balance softens what would otherwise be a punishing head-heavy feel, giving it slightly better maneuverability than typical diamond models, though off-center contacts still punish harshly and the sweet spot remains unforgiving. Advanced players who consistently attack from the back court and can live with the precision demands will find it a serious offensive tool, but it is not built for touch players or those prone to arm fatigue.
A raw power frame with a rare quality: the explosive smash pace and deep drive penetration come with genuine composure, so the aggression doesn't cost you the placement, and off-centre hits are treated better than pro-level frames usually allow. The even balance softens what could have been punishing. It still wants strong arm conditioning for extended matches, and transitions feel less nimble than lighter rivals.
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