
The FH speaker represents an unprecedented combination of ultra-compact size and high SPL output with efficiencies normally found only in much larger speakers. The FH speaker line brings true high-gain, high-output performance to earphone designs.
| Model | Picture | Sensitivity @1kHz (dB SPL) | Sensitivity @1st Peak (dB SPL) | Max SPL @1st Peak (dB SPL) | DC Resistance (Ω) | Impedance @ 500 Hz (Ω) |
|---|---|---|---|---|---|---|
| FH-23371-000 |
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100 | 113 | 123 | 60 | 90 |
| FH-23375-000 |
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100 | 113 | 123 | 240 | 335 |
| FH-23377-000 |
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100 | 113 | 123 | 515 | 685 |
| FH-23821-000 |
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100 | 113 | 123 | 125 | 174 |
| FH-26553-000 |
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100 | 113 | 123 | 60 | 90 |