STM-301 3W/6W,5寸喇叭,开孔150mm,尺寸185*58mm,不带后罩
STM-302 5W/10W,5寸喇叭,开孔150mm,尺寸200*100mm,大后罩
STM-303 6W/12W,6寸喇叭,开孔183mm,尺寸225*99mm,大后罩
STM-305 6W/12W,5寸喇叭,开孔170mm,尺寸192*78mm,不带后罩
STM-306A 5/10W,4寸喇叭,开孔150mm,尺寸178*62mm,米字型小后罩
STM-306B 6/12W,5寸喇叭,开孔160mm,尺寸197*70,米字型小后罩
STM-306C 6/12W,6寸喇叭,开孔190mm,尺寸216*63,米字型小后罩
STM-306D 6/12W,6寸喇叭,开孔195mm,尺寸230*75mm,米字型小后罩
STM-307A 3/6W,5寸喇叭,开孔152mm,尺寸181*50mm,无后罩,钢边
STM-307B 5/10W,5寸喇叭,开孔170mm,尺寸198*55mm,无后罩,钢边
STM-307C 6/12W,6寸喇叭,开孔200mm,尺寸220*75mm,无后罩,钢边
STM-308 5/10W,5寸喇叭,开孔160mm,尺寸180*94mm,大后罩
STM-310A 6W/12W,6寸喇叭,开孔180mm,尺寸200*69mm,小后罩
STM-310B 6W/12W,6寸喇叭,开孔180mm,尺寸200*69mm,小后罩
STM-313A 3/6W,4寸喇叭,开孔150mm,尺寸180*50mm,不带后罩
STM-313B 6W/12W,5寸喇叭,开孔170mm,外直径198*55mm,不带后罩
STM-316A 3/6W,3寸喇叭,开孔100mm,尺寸120*80mm,防水大后罩
STM-316B 3/6W,3寸喇叭,开孔100mm,尺寸127*90mm,防水大后罩
STM-318 6/12W,4寸喇叭,开孔150mm,尺寸185*65mm,无后罩
STM-319 6/12W,5寸喇叭,开孔180mm,尺寸220*77mm,无后罩
STM-311 6W/12W,4.5寸喇叭,尺寸180*70。