The top model SPORT3 is designed for athletes who demand high audio performance during their intense workouts. The in-ear headphones feature a flexible yet secure ear hook design that has already been used in Audio-Technica's IM series. The soft silicone casing provides additional comfort. The 10 mm drivers deliver dynamic and detailed sound. To control airflow and produce rich bass sounds while running outdoors, a waterproof IPX5 channel has been incorporated. Integrated stabilizers minimize any sound distortion.

The SonicSport headphone series has been laboratory tested and certified as splash-proof according to IPX5 standards, making it suitable for training in the rain or during intense workouts. After use, the headphones can be rinsed under running water. A new cable design has been introduced for all three models to prevent tangling and reduce unwanted noise.