JBL GO 4的一大亮点是其环保的包装设计 ... 得益于哈曼声学工程师团队的精湛算法，JBL GO4的额定功率达到了4.2瓦，这一性能指标对于其尺寸的扬声 ...

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.