Mizuno product photography is not licensed for TTDNA, so TTDNA renders its own neutral topsheet visualisation generated from verified construction data.
Mizuno · Q series · Inverted
Q4
A hard offensive inverted rubber with a higher arc than Q3. It favours spin-oriented looping and gives more margin over the net at mid distance.
Official Mizuno specifications
Official Mizuno data from the current Japanese product listing: sponge hardness, published thicknesses, colours and retail price in JPY.
- Series
- Q series
- Category
- Inverted
- Product code
- 83JRT894
- Official sponge hardness
- 47°
- Hardness scale
- Official Mizuno sponge degree (no named laboratory standard)
- Published thicknesses
- 1.7 mm (Chu) · 1.9 mm (Atsu) · 2.1 mm (Tokuatsu)
- Published colours
- Black · Red
- Technologies
- XL52/3 COMPOUND
- Country of manufacture
- Japan
- Ball type
- Standard 40+
- Lifecycle status
- Officially listed
- Stock
- Not tracked
- Last verified
- 1 August 2026
Mizuno publishes a sponge degree without naming a laboratory standard, so it is shown as a Mizuno sponge degree and never relabelled Shore A, Shore C, ESN or Chinese hardness. Stock availability is not tracked in this snapshot. A sold-out product is never treated as discontinued.
TTDNA ratings
TTDNA values are TTDNA's own 0-100 profiles. They are never an official Mizuno rating and never a conversion of one.
Physical characteristics
Playing characteristics
Player fit
Variants and configurations
6 variantsColour, thickness and configuration are variants of one model — never separate products. Colour never changes a rating, MAX and OX stay qualitative labels, and OX carries no sponge hardness.
Black · 1.7 mm
中 (Chu) · Sponged · 47°
Speed 83 · Spin 91 · Control 89
Black · 1.9 mm
厚 (Atsu) · Sponged · 47°
Speed 86 · Spin 93 · Control 87
Black · 2.1 mm
特厚 (Tokuatsu) · Sponged · 47°
Speed 89 · Spin 94 · Control 84
Red · 1.7 mm
中 (Chu) · Sponged · 47°
Speed 83 · Spin 91 · Control 89
Red · 1.9 mm
厚 (Atsu) · Sponged · 47°
Speed 86 · Spin 93 · Control 87
Red · 2.1 mm
特厚 (Tokuatsu) · Sponged · 47°
Speed 89 · Spin 94 · Control 84
Surface classification
Grippy
Surface classification is a TTDNA editorial classification, not an official Mizuno metric.
Technology
- XL52/3 COMPOUND
- Mizuno rubber compound used in Q3, Q4 and Q5 to improve energy efficiency.
Price
- Official Japanese retail price
- JPY 6,930 · Japan · 2026-08-01
Prices are the official Japanese retail price in JPY at the time of the snapshot. No currency is converted.
Player fit
- Skill levels
- Intermediate · Advanced
- Play styles
- Topspin offense · Controlled offense
- Aliases
- 83JRT894
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Known users
Offensive club and league players who want a spin-first inverted sheet on the forehand or backhand.
Mizuno publishes no athlete roster for this sheet, so TTDNA shows the player profile it is built for instead of invented names.