Magnetic Speaker
| Model no. | Spec. | Dimension | Download |
| OBO-40204F-01 | Buzzer: 85db at 4Khz/27Vp-p Square Wave Speaker： 4 ohm, 85±3 dB/1W/0.5M 或88±3 dB/5W/0.5M average at 1000Hz |
42 dia. * 23mm |  |
| OBO-11032G-01C | 32ohm, 97±3dB /0.178V at 1000Hz (Artificial Ear IEC-711) |
11.4 dia. * 5.25mm | |