Engine Sound Simulation System
4-way/quad-axial high-power speaker
Compatible with multiple Ninebot products
HIFI sound quality
Convenient & Portable
Take it with you no matter where you are.
High-power speaker, multi-directional sound design
4x8W strong magnetic large-diameter speakers, multi-directional sound field design, coupled with specially tuned sound effect algorithms, bring more stable bass, clear treble, and full vocals.