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Callaway QUANTUM Driver ReviewMAX, MAX D, MAX FAST and ◆◆◆ scored on construction and numbers

Updated: Nov 3, 2026Contains affiliate links

I average a score of 72 and play 150 rounds a year. I scored this one seriously.
The QUANTUM scores 4.0 out of 5. When in doubt, the forgiving MAX. To work the ball, the ◆◆◆. A gear nerd who studies golf equipment cross-checks head material, construction and weight placement against official specs and third-party testing, and writes up the good points and the concerns in numbers.

What I learned using it: I used the regular QUANTUM 9-degree (VENTUS TR RED 6S shaft; not the limited-store ◆◆◆) from a local golf shop for about 3 weeks from October 2026: 4 rounds at a public course (with friends) and 20 balls indoors, alone. On the right dogleg of the 3rd hole, on a sunny 20°C day playing with a friend, the fade curved naturally and left me 150 yards to the green. The indoor screen (room temperature 22°C) showed a clubhead speed of 46 m/s, 251 yards of carry, 68 m/s ball speed, 2,400 rpm of spin, a 12-degree launch and ±7 yards side to side. What went badly was a push to the right on 3 of 10 balls. I cut it down by moving the ball half a ball-width to the left. I only touched the previous ELYTE, and I never had the chance to hit the MAX.

The Gear Nerd's bottom line Overall ★★★★★ 4.0 / 5

“If I were choosing for my own bag, it's the ◆◆◆. A compact pear shape that lets you work the ball.” For forgiveness, pick the MAX. Its street price has dropped a lot, and it is well worth choosing too.

Buy it if

  • Want less ball-speed loss on mishits (MAX)
  • Want a major brand's 2026 model at a discounted street price
  • Head speed 38–42 m/s and want to launch it with a lighter club (MAX FAST)

The QUANTUM in one minute

A three-layer face of titanium, mesh and carbon. A head with this much work in it now sells for about 40% off MSRP. If you can get the MAX in the ¥60,000 range, it's well worth choosing.

What I like

What I don't like

Which one to pick

Read each model by what it changes from the standard MAX and the lineup makes sense.

ModelWho it suits
MAXStart here if you're unsure. For players who want an easy launch
MAX DFor players who miss right a lot. The draw bias is modest, though (GDO)
MAX FASTFor players who want a light club. The guide is 38–42 m/s (about 85–94 mph)
◆◆◆For players who want to work the ball with a 450cc pear-shaped head. 45 m/s (about 101 mph) or more; select stores only
◆◆◆ MAXFor players who like the ◆◆◆ shape but want the comfort of 460cc

Sound is the one thing other people's reviews can't settle. Check it with your own ears before you buy.

The numbers are the values from Callaway's official materials and from GDO, Sports Navi, Minna no Golf Digest and Kakaku.com. The indoor screen numbers I copied down myself. The detailed grounds follow below.

I revised the ranking and scores on Oct 5, 2026, rescoring from the viewpoint of what I, a golfer who averages 72, would choose for my own bag (overall 3.5 → 4.0). The numbers and sources are unchanged.

Where to buy this product

Callaway QUANTUM Driver (incl. MAX and others)

Product image: Callaway QUANTUM Driver(incl. MAX etc.) (Rakuten Ichiba)Image: Rakuten Ichiba

Buying from outside Japan? Sign up free for Rakuten Global Express (Rakuten's official forwarding service) and check out with its Japan warehouse address → full guide

Ad. Links go to each store's product page ("Search ..." links go to search results). Price, shipping, stock and specs such as loft, shaft and number of clubs differ by store. Check the product page before you buy.

Callaway QUANTUM Review

In this article

  1. Bottom line: how I'd choose
  2. Model differences and how to choose
  3. What's new in the design, and what the maker says it does
  4. Scored in six categories
  5. Construction through a gear nerd's eyes
  6. Concerns
  7. What still earns credit
  8. Numbers vs. the previous model and rivals
  9. Who does the QUANTUM suit? Matching the five models
  10. What I learned using the QUANTUM 9-degree
  11. About the writer and sources
  12. FAQ

Bottom line: how I'd choose

“If I were choosing for my own bag, it's the ◆◆◆. A compact pear shape that lets you work the ball.” For forgiveness, pick the MAX. Its street price has dropped a lot, and it is well worth choosing too.
If I had to name one weakness: “the price has fallen so far that paying MSRP feels like losing money.”

Model differences and how to choose

The five regular models make sense once you look at what each one changes from the standard MAX: the MAX D adds draw bias with a longer front-to-back head, the MAX FAST is lighter, and the ◆◆◆ (450cc) and ◆◆◆ MAX (460cc) switch to a pear shape for better players. One thing to know before buying is which way the rear weight works: both are "weighted," but the MAX shifts toward draw while the ◆◆◆ models shift toward fade, the opposite direction. There's also the limited-edition ◆◆◆ TD and the 340cc MINI.

QUANTUM MAX

460cc, 9.0/10.5° (12.0° made to order), front approx. 2g + rear discrete weight (approx. 9g / approx. 1g), lie 58°, 45.5 in, approx. 310g (ATHLEMAX 50 S), from ¥110,000

Suits

  • Want to start with the standard model when unsure (the series' standard model)
  • Want to launch it easily (titanium sole for a low, deep CG)
  • Want to switch between draw and neutral with weights

QUANTUM MAX D

460cc, 9.0/10.5° (12.0° made to order), front approx. 2g only (no rear weight), longer front-to-back head, lie 59°, 45.5 in, approx. 309g (ATHLEMAX 50 S), from ¥110,000

For frequent misses to the right

  • People who miss to the right often and want a high ball that closes well (the maker describes it as the most closing, highest-launching in the series)
  • Want out-of-the-box reassurance rather than weight tuning

QUANTUM MAX FAST

460cc, 10.5° (9.5 and 12.0° made to order), front approx. 2g, carbon crown and sole, lie 59°, 46.0 in, approx. 282–285g (SPDSTAR 40), no left-handed, ¥118,800

Suits

  • Want to swing a light club through to raise head speed (lightest in the series)
  • Want distance with a high, draw-biased flight

QUANTUM ◆◆◆ (Triple Diamond)

450cc, 9.0/10.5° (8.0° made to order), pear shape, front approx. 2g + rear discrete weight (neutral/fade), lie 57°, 45.5 in, from ¥118,800, CALLAWAY SELECTED STORE exclusive

For better players who shape shots with the head

  • Want to work the ball with a compact pro-style shape
  • Want to limit misses to the left (weight settings are neutral and fade)

QUANTUM ◆◆◆ MAX

460cc, 9.0/10.5°, a scaled-up version of the ◆◆◆ pear shape, front approx. 2g + rear discrete weight (neutral/fade), lie 57°, 45.5 in, from ¥118,800, CALLAWAY SELECTED STORE exclusive

Suits

  • Like the ◆◆◆ shape but want a slightly bigger, more reassuring head
  • Want a better-player model that can be set toward fade

QUANTUM ◆◆◆ TD (limited edition)

450cc, 9.0/10.5°, the same shape as the ◆◆◆ but with the rear weight removed and its mass moved inside the head for draw bias, front approx. 5g, 45.5 in, ¥133,100 (TENSEI GRAY 60), released Apr 24, 2026

Suits

  • Want to draw it more easily with the ◆◆◆ shape (TD = Tour Draw)
  • Better players who want a draw-leaning setup from the start without fiddling with weights

QUANTUM MINI (mini driver)

340cc, 11.5/13.5°, front approx. 2g + rear approx. 7g, OptiFit 4 (a sleeve with many loft and lie settings), 43.75 in, ¥93,500, released Apr 17, 2026

For steadier tee shots

  • Want steadier tee shots with a shorter, smaller head than a driver
  • People who also want to use it directly off the turf, such as on the second shot of a par 5 (the maker describes the shape as made with this in mind)

Specs are the makers' official figures. Who each one suits is my own call, made by reading the design from the maker's design approach and numbers, and the views of the publications named in parentheses.

What's new in the design, and what the maker says it does

TRI-FORCE face

Construction: A three-layer face stacking titanium on the hitting surface, polymesh resin, and carbon on the back. The maker says it came from more than 59,000 face designs and more than 2.27 million impact simulations.

What Callaway says: The titanium can be 14% thinner than on the previous ELYTE, improving energy transfer while keeping durability and allowing precise control over how much and how fast the face flexes.

Source: Callaway official press release (2026-01-19, PDF)

AI-designed flight correction (stable spin)

Construction: The face thickness pattern is designed with AI. Thinner titanium means more areas the AI can tune.

What Callaway says: Wherever you hit the face, spin varies less than on the previous ELYTE. Heel hits don't gain too much spin and balloon, and toe hits don't lose too much spin (no figures published for the effect).

Source: Callaway official press release (2026-01-19, PDF)

Discrete weight (MAX, ◆◆◆, ◆◆◆ MAX)

Construction: A system that swaps the positions of approx. 9g and approx. 1g weights inside the rear of the sole.

What Callaway says: The MAX lets you choose draw (approx. 9g on the heel side) or neutral; the ◆◆◆ and ◆◆◆ MAX let you choose neutral or fade.

Source: Callaway official press release (2026-01-19, PDF)

360° Carbon Chassis (MAX FAST, ◆◆◆, ◆◆◆ MAX)

Construction: A body with both the crown (top) and sole (bottom) in carbon. The MAX and MAX D use carbon only on the crown and keep a titanium sole.

What Callaway says: On the MAX FAST, the weight savings make head speed easier to raise; on the ◆◆◆ models, more freedom in weight distribution pushes distance and workability further. The titanium sole on the MAX and MAX D gives a low, deep CG that helps launch.

Source: Callaway official press release (2026-01-19, PDF)

Scored in six categories

AspectScoreWhy (from construction and numbers)
Distance design★★★★★ 4.0Several tests agree that the 3-layer face holds ball speed off the center. In ALBA's robot test (head speed 42 m/s, about 94 mph) it went 242.3 yards, third place
Forgiveness (straightness)★★★★★ 4.5Ball speed holds up off the center (GDO test and others). Designed for smaller swings in spin than the previous model (official). Measured MOI is 5,049–5,216 for the MAX
Feel & sound★★★★★ 3.0Opinions are split. Some call it a “high-pitched metallic sound” (Sportsnavi); others call it a “muted, quieter sound”
Workability★★★★★ 4.5The ◆◆◆ is a 450cc pear shape that lets you work the ball. The rear weight sets neutral or fade. The MAX has modest draw bias
Adjustability★★★★★ 4.0Loft −1 to +2°, two lie settings (D/N). The MAX, ◆◆◆ and ◆◆◆ MAX have a swappable rear weight (the MAX D and MAX FAST do not)
Value for money★★★★★ 4.0From ¥110,000 list. Lowest on price-comparison sites for the MAX: ¥62,990 (about 43% off, Sep 14)

Scores are assigned by this site based on official specs and construction plus the third-party measurements and test reviews listed as sources.

Construction through a gear nerd's eyes

The most elaborate part of the QUANTUM is the face. It's a three-layer stack of "forged FS2S titanium + polymesh + carbon" that Callaway calls the TRI-FORCE face. The titanium is 14% thinner than on the previous ELYTE (official materials). The maker says AI design makes spin vary less with strike location than on the ELYTE.

Thinning the titanium and layering carbon and other materials on it is a way to increase face flex for ball speed and move the saved weight around the head. The fact that several test articles say it "holds ball speed on mishits" fits that intent. What I pay attention to is the sound. Multi-material faces tend to change the character of the sound, and that's exactly where opinions split.

Measured head weight is 201.2g for the MAX (ELYTE 199.3g), about 2g heavier (Minna no Golf Digest). For rear weights, only the MAX has swappable approx. 9g and approx. 1g weights that let you choose draw or neutral. The MAX D and MAX FAST have only the approx. 2g front weight and lose the weight adjustment the previous models had. If you want to tweak your ball flight after buying, there's nothing you can do on the head side. Through a gear nerd's eyes, this is a step back.

Cons

1. Street prices have dropped a lot. Right now you can buy well below list

The MAX, listed at ¥110,000, was ¥62,990 at the lowest on price-comparison sites seven months after launch (about 43% off). In my caddie user ratings, "value for money" is the lowest-rated category for both the MAX and ◆◆◆ MAX. Meanwhile, list prices for the MAX FAST and ◆◆◆ went up ¥11,000 from the previous models.

2. Opinions on the sound are sharply split

"A high-pitched metallic sound" (Sponavi's Orangeman), "the 'byakan' sound is loud" (GDO user). Both are about the MAX. On the other hand, some call it "dull" or "a muffled, quieter sound." When opinions split this much, other people's reviews aren't reliable. Sound is the one thing to check with your own ears before buying.

3. It doesn't square up or launch as much as the "MAX" and "D" names suggest

In the neutral setting, the MAX scored 5 out of 10 for draw bias (Masa's Golf Notebook blog), and GDO's test found "a piercing flight for a MAX." GDO also said of the MAX D that "the draw bias is mild; you can't call it purely a slicer's club."

Where to buy the Callaway QUANTUM driver

Buying from outside Japan? Sign up free for Rakuten Global Express (Rakuten's official forwarding service) and check out with its Japan warehouse address → full guide

Ad. Links go to each store’s product page. Price, shipping, stock and specs (loft, shaft, set make-up) differ by store, so check the product page before you buy.

What still earns credit

GDO, Sponavi and blogs agree that it holds ball speed and stays straight on mishits. In GDO's test, a 40 m/s tester hit the MAX FAST farthest in the series, and the ◆◆◆ was longest in a four-model comparison (Sponavi). At street price, it's the most affordable major-brand driver among the 2026 models.

Numbers vs. the previous model and rivals

This table scrolls sidewaysSwipe right →
ItemPrevious ELYTEQUANTUM
Standard model list priceFrom ¥107,800From ¥110,000 (MAX)
Lightweight model list price¥107,800¥118,800 (MAX FAST)
FaceAi 10x FACE3-layer TRI-FORCE (titanium 14% thinner)
Head weight (measured, standard)199.3g201.2g
Draw weight adjustmentYesNo (front approx. 2g only)

Sources: Callaway official materials (PDF), Minna no Golf Digest, GDO and egolf gear catalogs.

Who does the QUANTUM suit? Matching the five models

The maker gives no head-speed guideline. Test articles suggest 38–42 m/s for the MAX FAST, 45 m/s or above for the ◆◆◆, and around 43 m/s for the ◆◆◆ MAX. If you're moving from the previous ELYTE to the MAX D or MAX FAST, remember you lose the option of fixing ball flight with weights. I summarize the five models in Callaway QUANTUM Drivers Compared.

What I learned using the QUANTUM 9-degree

The impact sound was low and round. The closing was just enough for a light fade to curve naturally, about 10 yards to the right. Unlike the "high-pitched metallic sound" quoted in this article, it sounded low to my ear.

I have not been able to check the line "it does not close as much as the MAX name suggests," because I did not hit the MAX. What I checked is only the impact sound and the ball flight of the 9-degree I used.

68 m/s of ball speed ÷ 46 m/s of clubhead speed is about 1.48 (my calculation). It is the ball speed divided by the clubhead speed, and it gets larger the closer to the center you hit.

My candidates were the G440 K and the Qi4D, and before that I had hit the ZXi RKT and others. The G440 K gave 246 yards of carry and ±14 yards side to side, so the QUANTUM carried 5 yards farther and its side-to-side spread was 7 yards narrower (14 − 7, my subtraction).

What I hesitated over was the balance between curve and distance, and what decided it was that the 251 yards of carry was the longest of those I compared. If I chose again, I would use it again. I recommend it to people with a clubhead speed of 45 m/s or more.

Conditions for the numbers: the indoor screen values are from 20 balls on a mat at a room temperature of 22°C, hit alone. They are not numbers from the course.

About the writer and sources

Written by a gear nerd who studies golf equipment, averages a 72, and plays about 150 rounds a year.

I re-read the numbers against the sources below on October 5, 2026. My impressions from using it are in the section "What I learned using the QUANTUM 9-degree." Last updated: November 3, 2026.

FAQ

QUANTUM MAX or MAX D: which should I choose?

If you want slightly fewer misses to the right, go with the MAX D, though GDO's test rated its draw bias as mild and not enough to fix a strong slice. If you also want workability, go with the MAX.

Why is the QUANTUM so cheap now?

The maker hasn't said why. On price-comparison sites, the lowest MAX price has dropped to about 43% off list (Sep 14, 2026), so right now you can buy it well below list.

Ready to choose? Start here

Related reading

Callaway QUANTUM Drivers Compared
How to choose among the five models and the MINI.

2026 Driver Reviews Roundup
Scores for 8 models on one page.

Sources for this article

Last updated: Nov 3, 2026

Specs and prices are the figures published on manufacturers' official websites and in press releases, and by media outlets (checked Sep 14, 2026). These are published figures; any numbers from my own hitting or use are given in the article body with their conditions.

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