Price
$350
Callaway Quantum Max OS
Price
$350
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matt martian photography
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Why We Like It
- The slightly oversize footprint and larger face will resonate with players who have inconsistent impact patterns and are looking for more forgiveness, higher launch and built-in slice-fighting capability.
- The Max OS lineup is as much as 24 percent larger by volume than the standard Max models.
- Screws in the sole suspend a 24-gram bridge of tungsten that “floats” within the head to move the center of gravity lower and more forward than in previous models.
- The bridge rests slightly above the sole, freeing the lower part of the wraparound cupface and front part of the sole to flex more freely for better distance.
- The amorphous multi-thickness pattern on the face was designed by using AI to analyze thousands of simulations to develop the proper micro-deflections at impact, all for the purpose of optimizing speed, spin and launch.
- The sole features a slight step down from front to back with the trailing, raised section allowing for a cleaner glide through the turf. New shaping on the heel side of the sole stabilizes the face angle for more efficient energy transfer at impact.
- Heel and toe sole weights (13 and three grams) in the rear perimeter allow players to increase draw bias (heavy weight in the heel) or cater to a neutral flight (heavy weight in the toe).
- The adjustable hosel lets users tweak loft and lie, the latter by plus/minus 2 degrees to better fit more types of swings.
- 18, 20, 23, 26, 29, 32 degrees (with a six-way adjustable hosel)
what our testers said
handicap
- all
- low
- mid
- high
COMMENT SUMMARY
Hot List testers noted an immediately noticeable, oversized head that feels like a mile‑wide sweet spot. Center strikes produced dead‑straight ball flight and remarkable distance. The OS model stood out as the straighter, more forgiving option versus the Max.
Summaries generated from tester comments with the assistance of AI.
COMMENT SUMMARY
Summaries generated from tester comments with the assistance of AI.
COMMENT SUMMARY
Hot List panelists observed the oversized head gives the impression of a huge sweet spot and delivered dead-straight shots with remarkable distance. The OS proved straighter and more forgiving than the Max.
Summaries generated from tester comments with the assistance of AI.
COMMENT SUMMARY
Hot List testers noted outstanding on‑center performance—explosive ball speed, solid feel and tight dispersion that delivers dependable distance. One consistent caveat: off‑center strikes lose distance and feel noticeably.
Summaries generated from tester comments with the assistance of AI.
Gary
38, Handicap 13
10+ years testing
Little bit more of a line drive hitter, more of a "thwack" at impact. Felt very stable across the face. Felt more like a tee replacement hybrid, landing with some roll.
Matt
53, Handicap 11
4 years testing
The club's size is immediately noticeable and gives the impression that you have a sweet spot a mile wide. Shots were dead on straight with remarkable distance. I also hit the Max and found the OS straighter and more forgiving. The Max head was oddly shaped and distractingly asymmetrical.
Aaron
45, Handicap 16
1 year testing
Center strikes were very good, but mis-hits not so much.
Gary
38, Handicap 13
10+ years testing
Little bit more of a line drive hitter, more of a "thwack" at impact. Felt very stable across the face. Felt more like a tee replacement hybrid, landing with some roll.
Matt
53, Handicap 11
4 years testing
The club's size is immediately noticeable and gives the impression that you have a sweet spot a mile wide. Shots were dead on straight with remarkable distance. I also hit the Max and found the OS straighter and more forgiving. The Max head was oddly shaped and distractingly asymmetrical.
Aaron
45, Handicap 16
1 year testing
Center strikes were very good, but mis-hits not so much.
NO REVIEWS
There are no tester reviews here.
A Skeptic’s Guide To New Golf Equipment
From the Manufacturer
Callaway Quantum Max OS
Quantum Max Fast is our lightest hybrid, built for players who benefit from an overall lighter setup. From head to grip, every component is engineered to make swinging easier, while a high MOI and shallow face profile encourage easy launch, higher flight, and consistent contact. The new Speed Wave 2.0 design frees up even more face flex, boosting energy transfer — especially on low-face strikes. It positions weight low and forward for faster ball speeds and consistent launch. The new Step Sole Design reduces turf contact on the sole for efficient strikes and consistent center-face contact. A reshaped heel adds stability through impact, helping keep the face square for greater control and accuracy.
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