| Photo | Type | Rated Impedance(ohm) | Rated(Max.) Power(W) | Resonant Freq.(Hz) | Sound(dB) | Size(mm) |
| ADT-2108 | 8+/-20% |
0.1(0.15) |
2000+/-15% |
>80 |
D21xH7.7 | |
| ADT-2308 | 8+/-20% |
0.08(0.15) |
1500+/-200 |
>73 |
D23x8.7 | |
| ADT-3108 | 8+/-20% |
0.15(0.2) |
1100+/-150 |
>83 | D31.7xH15 | |
| ADT-401 | 100+/-15% |
0.15(0.2) |
1000+/-20% |
>81 | D30xH12.6 | |
| ADT-402 | 8+/-15% |
0.15(0.2) | 1000+/-20% | >81 | D30xH12.6 | |
| ADT-403 | 32+/-15% |
0.15(0.2) | 1000+/-20% | >81 | D30xH12.6 | |
| ADT-404 | 16+/-15% |
0.15(0.2) | 1000+/-20% | >81 | D30xH12.6 |