| DT-22 | Product performance | |
| Type | Armature speaker | |
| Size | 5.12mm*3.50mm*3.00mm | |
| Nominal/Max output | 1mW/3mW | |
| Speaker Impedance | 500Hz 25 ± 15%Ohm 1000hz 35.2 ± 15%Ohm | |
| SPL | 107.5 ± 3Db Sound check PA10 PS20 IEC711,1.0 kHz/0.148V。 At:10 mm(Tube size: inner 1mm，length: 10mm) | |
