| FM311A | FM111B |
| 12-80V Single piezoelectric plate 97db | 12-24V Loudspeaker single 97db |
| FM311B | FM115B |
| 12-80V Loudspeaker single 107db | 12-24V Loudspeaker with the change of environment |
| FM411B | FM117Y |
| 48V Loudspeaker single 102db | 12-24V Speech sounds |
| FM123B | FM217B |
| 12-24V Loudspeaker single 102db | 12-48V Loudspeaker Ding-dong sound |
| FM123B-X |
| 12-48V speaker zinc alloy shell |