Dunlop CX 400 Racket
Series: CX
$199.00
Dunlop adds another chapter to the CX 400 ! Like the previous generation, this update pairs a powerful 24mm beam with a 16x19 string pattern. It also packs a sub-315 swingweight, making it easy to maximize stroke speed when loading the ball with pace and spin. For this update, Dunlop retools the beam, adding more of a box shape below the 10/2 axis to enhance stability, control and feel. Additional changes for 2024 include Powergrid Stringtech+ , which features wider cross-string spacing to enhance spin and power. Dunlop also updates the stiffness profile, adding greater flexibility on the inner part of the frame for enhanced dwell time and pocketing, while also stiffening the racket's face for added stability and power. To help reduce harsh impact vibrations, Dunlop adds a highly elastic material (named Vibroshield ) to the midsection of both the hoop and shaft. This is complemented by Sonic Core with Infinergy, a uniquely pliable material applied to the 3/9 axis of the head to boost comfort and power. Ultimately, this update to the CX 400 is a great option for intermediate players looking for a speedy and spin-friendly weapon with enough power to close out points.
Frame specs
| Head Size | 100in² |
| String Pattern | 16x19 |
| Length | Standard |
| Strung Weight | 10.6oz / 301g |
| Balance | 13.29in / 33.76cm / 2 pts HL |
| Swingweight | 313 |
| Stiffness | 69 |
| Beam Width | 24mm / 24mm / 24mm |
| Composition | Sonic Core Infinergy/Graphite |
| Power Level | Low-Medium |
| Stroke Style | Medium-Full |
| Swing Speed | Medium-Fast |
| Racket Colors | Red |
| Grip Type | Dunlop Viper Dry |
| String Pattern Detail | 16 Mains / 19 Crosses |
| String Tension | 40-60 pounds |
Where to buy
What players say
Most of the online attention on the Dunlop CX line goes to the CX 400 Tour, so coverage of the base CX 400 is thin. What exists agrees it is lighter and easier to swing than the Tour, with accessible power and a big sweet spot, but opinions split on comfort: one reviewer called it one of the stiffest frames they tested and felt it in the arm, while a Tennis Warehouse customer found it plush and control-friendly off the same 24mm beam.
Best for
- Intermediates who want more free power than the CX 400 Tour
- Players moving up from a game-improvement frame
- Topspin-focused baseliners wanting a big sweet spot
- One-handed backhand players per one customer review
Pros
- Easy, accessible power on serves and groundstrokes from a large 100 sq in sweet spot
- Lighter and faster through the air than the CX 400 Tour
- Open 16x19 pattern generates spin without extra effort
- One long-time customer praised its balance and feel off the 24mm beam
Cons
- Gives up control compared to the CX 400 Tour, per Tennisnerd's side-by-side comparison
- One reviewer found the stiff beam translated impact directly into the elbow and wrist
- Very little independent testing or community discussion exists for this exact (non-Tour) model
- Not a fit for players who want a low-powered, control-first frame
Voices
— Apj (4.5 NTRP, Tennis Warehouse customer), Web
Excellent balance, clean hitting, a 24mm full beam racquet has power and great feel. Excellent power on serve and ground strokes.
— Jonas Eriksson, Tennisnerd.net, Web
It is easier to swing and has more power at the cost of control compared to the Tour.
— mahedi, My Racket Sports, Web
increased frame rigidity boosts groundstroke power without losing control
— Brandon M., Curated.com tennis expert, Web
The Dunlop CX 400 is one of the stiffest racquets I've tested and, as a result, didn't offer a lot in terms of comfort.