Adidas Metalbone CTRL 3.4 2025

Technologies

Pros

• ✓The Carbon Aluminized 16K face sends the ball back on a clean line off the back wall and on spin lobs — it gives just slightly on contact, holds the ball a beat longer, and releases it on a controlled, predictable trajectory. A 485 cm² hitting area on a round shape leaves you plenty of margin for error on awkward glass rebounds and on-the-run defensive gets, where you're rarely striking the sweet spot dead-center. The low-density Soft Performance EVA core takes real strain off the elbow through long rallies — the arm holds up far better across three-set battles than it would with a denser core. The Weight & Balance System lets you shift up to 11.2g of ballast around the frame to dial in the racket for different playing styles, turning this control-oriented round shape into one of the few genuinely customisable rackets in its category. The Extra Power Grip lengthens the handle versus a standard round racket, adding extra leverage through the swing and generating a bit more racket-head speed on the smash.

Cons

• ✗The Soft Performance EVA over-cushions a flat smash: on high-swing-speed vertical overheads, the racket absorbs more energy than it fires back, so the shot lands with less punch than you'd expect. The weight system takes trial and error to dial in — straight out of the box, in its neutral setup, the racket can feel too balanced and lacking in character for players who want a defined personality from the first match. The round shape and soft EVA cap ball exit at the net: on deep attacking volleys and counter-attacking pared-down shots, the racket demands more wrist speed than mid-to-high balance rivals to get comparable pace.

The Adidas Metalbone CTRL 3.4 2025 pairs Aluminized 16K carbon with a low-density Soft Performance EVA core inside a 38mm frame built for back-court control. This isn't the most aggressive racket in the Metalbone range — that job belongs to the power-oriented variants — it's the one that solves a real problem for advanced players who want the technical Metalbone build without wrecking their arm over a long match.

Carbon Aluminized 16K: the fabric behind the CTRL 3.4's feel

The face carries the commercial name Carbon Aluminized 16K. Its 16,000-filament strands weave a more flexible carbon than the ultra-stiff carbon typically found on the brand's power models, which translates into a face that gives slightly on impact and holds the ball for a fraction of a second longer before releasing it. The payoff is that fine-tuned control feel that back-court players love in defence and on the spin lob.

The Spin Blade Decal texture runs across the surface with a fine grain that adds bite on contact. On a cut bandeja and a spin lob, that grain creates lateral variation without throwing off shot direction. It's not the kind of roughness that generates spin passively — it demands technique in the swing — but when a player works it properly, the response is consistent.

Zone by zone: where the Metalbone CTRL 3.4 shines and where it asks more of you

Back court and defence: this racket's natural habitat

The low-density Soft Performance EVA is the most forgiving core in the Metalbone line. Paired with the round shape and 38mm frame, it produces a cushioned response against aggressive opponent hitting. The 485 cm² hitting area — generous for a round shape — gives you plenty of margin for error on tricky glass rebounds and on-the-run defensive plays, where a perfect contact point is the exception rather than the rule.

On long back-court exchanges, the soft EVA noticeably reduces load on the arm. Anyone with a history of tennis elbow, or grinding through matches that run past ninety minutes, will feel less cumulative impact here than with denser cores.

Net and volleys: solid, not spectacular

At the net, the response is predictable but lacks sparkle. Ball exit is modest — the soft EVA cushions more than it propels — and on deep attacking volleys or a counter-attacking pared-down shot, the racket asks for more wrist speed than a diamond or teardrop shape with a mid-to-high balance would.

For players who close out points at net with a short, compact swing, the racket delivers consistently. For those chasing punch on the drop shot or depth down the tight sideline, this core setup demands extra physical effort.

Smash and bandeja: where the soft EVA hits its limit

The 16K carbon brings enough firmness for a smash with bite and a cut bandeja with spin. The Soft EVA core, though, dampens power transfer on a flat, vertical smash. Big overheads don't explode the way they would off a high-density EVA racket — the racket absorbs part of the swing's energy and returns it at a lower speed than you'd hope for.

The cut bandeja tells a different story: it plays off the Spin Blade grain and the round shape to leave with a clean line and consistent side spin. It's one of the shots where the Metalbone CTRL 3.4 shows its best character.

Weight & Balance System: versatility with a learning curve

What sets this racket apart in Adidas's control lineup is the Weight & Balance System, an adjustable ballast system that lets you add up to 11.2g distributed across different points of the frame. The base frame weighs between 345 and 360g; fully loaded, the total tops 370g.

The practical upshot: the same racket can play as a pure-balance round shape (neutral setup) or lean toward a livelier, more reactive profile by concentrating weight in the head. It's a particularly useful tool for players who switch between court positions, or who want a racket that can evolve alongside their game without buying a new one.

The Extra Power Grip adds to this with an extended handle that increases leverage through the swing. It's not a dramatic shift from a standard round shape, but on the high smash, where contact happens above shoulder height, that extra length translates into a bit more racket-head speed.

The trade-off: the system takes time to dial in. Without finding the setup that matches your game, the racket can feel too neutral in your first match. The usual advice is to start with no added weight and test one weight position at a time, giving each adjustment at least a full match before judging it.

Who is the Adidas Metalbone CTRL 3.4 built for — and who should skip it?

This racket suits: - Advanced players with a solid back-court game who build the point from the back - Defensive-versatile profiles with a firm back court and selective net play - Players with a history of elbow trouble who need shock absorption without sacrificing too much presence in the game - Back-court pairs after the Metalbone family's technical build in a control-first package

This racket penalises: - Front-court players with a frequent attacking game — the soft EVA gives more than many attackers can tolerate on the smash - Anyone wanting a strongly defined character out of the box without experimenting with the ballast - Front-court players with an explosive physical game — the soft core and round shape can't keep up with constant net aggression

Verdict: rock-solid from the back, moderate up front

The Adidas Metalbone CTRL 3.4 2025 is the Metalbone family's pick for anyone who values consistency and arm health over raw power. The Carbon Aluminized 16K and Soft Performance EVA form a solid foundation for back-court control, and the Weight & Balance System makes it more adaptable than most rivals in its class. Its biggest drawback: the soft EVA holds back ball exit on the smash and demands more work from the player in attacking situations. Recommended for defensive-versatile profiles at an advanced level.

What sets the CTRL 3.4 apart from other 2025 Metalbone rackets?

The CTRL 3.4 puts control first with its low-density Soft Performance EVA, while other rackets in the 2025 Metalbone range lean toward more aggression and punchier ball exit. The right pick depends on your playing profile and whether you build the point mainly from the back court or from the net.

Is the Metalbone CTRL 3.4 a racket for advanced players?

Yes, though the entry point is fairly flexible. The Carbon Aluminized 16K face and the adjustable weight system are tools that players with established technique get the most out of. A solid intermediate-to-advanced player can handle it without issue, but won't unlock the full potential of the Weight & Balance System without prior experience testing different balance setups.

Does the Weight & Balance System change the racket's weight by much?

It lets you add up to 11.2g distributed across different points of the frame. The base frame weighs between 345 and 360g, and fully loaded it can top 370g. The standard approach is to start with no added weight and adjust one position at a time, testing on court before locking in a final setup.