EWK Series balanced armature receivers — 6 models with specifications, frequency response and official datasheets.
| Model | Variant | DCR @ 20°C | Impedance @ 1 kHz | Weight | Applications |
|---|---|---|---|---|---|
| EWK-30018-000 With Tube | With sound tube | 25.0 Ω ±10% | 38.5 Ω ±15% | 0.11 g typical | Hearing aids, In-ear monitors, TWS earphones, Assistive listening devices |
| EWK-30018-001 Without Tube | Without sound tube | 25.0 Ω ±10% | 38.5 Ω ±15% | 0.11 g typical | Hearing aids, In-ear monitors, TWS earphones, Assistive listening devices |
| EWK-30019-001 Without Copper Tube | Without copper tube | 12.5 Ω ±10% | 14.5 Ω ±15% | 0.1 g typical | Hearing aids, In-ear monitors, TWS earphones, Assistive listening devices |
| EWK-30095-000 With Tube | With sound tube | 12.5 Ω ±10% | 14.5 Ω ±15% | 0.10 g typical | Hearing aids, In-ear monitors, TWS earphones, Assistive listening devices |
| EWK-50060-000 With Tube | With sound tube | 12.5 Ω ±10% | 14.5 Ω ±15% | 0.10 g typical | Hearing aids, In-ear monitors, TWS earphones, Assistive listening devices |
| EWK-50060-001 Without Tube | Without sound tube | 12.5 Ω ±10% | 14.5 Ω ±15% | 0.10 g typical | Hearing aids, In-ear monitors, TWS earphones, Assistive listening devices |
EWK-30018-000 is a balanced armature receiver with sound tube for hearing aids and earphones, with OEM/ODM tuning support for your target response.
EWK-30018-001 is a balanced armature receiver without sound tube, offering flexible coupling for hearing aids, in-ear monitors and earphones.
EWK-30019-001 is a balanced armature receiver without copper tube, designed for lightweight, flexible assembly in hearing aids and earphones.
EWK-30095-000 is a balanced armature receiver with sound tube for hearing aids and earphones, with OEM/ODM tuning support for your target response.
EWK-50060-000 is a balanced armature receiver with sound tube, engineered for hearing aids and in-ear monitors with stable, repeatable performance.
EWK-50060-001 is a balanced armature receiver without sound tube, offering flexible coupling for hearing aids, in-ear monitors and earphones.
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