EWB Series balanced armature receivers — 3 models with specifications, frequency response and official datasheets.
| Model | Variant | DCR @ 20°C | Impedance @ 1 kHz | Weight | Applications |
|---|---|---|---|---|---|
| EWB-32257-000 With Tube | With sound tube | 22.0 Ω ±10% | 49.5 Ω ±15% | 0.17 g typical | Hearing aids, In-ear monitors, TWS earphones, Assistive listening devices |
| EWB-32257-001 Without Tube | Without sound tube | 22.0 Ω ±10% | 49.5 Ω ±15% | 0.17 g typical | Hearing aids, In-ear monitors, TWS earphones, Assistive listening devices |
| EWB-65120-000 With Tube | With sound tube | 120.0 Ω ±10% | 250.0 Ω ±15% | 0.165 g typical | Hearing aids, In-ear monitors, TWS earphones, Assistive listening devices |
EWB-32257-000 is a balanced armature receiver with sound tube for hearing aids and earphones, delivering stable output with flexible OEM tuning.
EWB-32257-001 is a balanced armature receiver without sound tube, offering flexible coupling options for hearing aids, in-ear monitors and earphones.
EWB-65120-000 is a balanced armature receiver with sound tube for hearing aids and earphones, engineered for consistent, dependable performance.
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