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HS/LP (312)
Product features Easy to handle, the 312 offers directionality, optional volume control, optional autophone and optional telecoil. 
| Ear simulator | 2cc coupler | Full-on gain, dB | 55 | 46 | OSPL 90 | 122 | 112 | Frequency range, Hz | 135-5800 | 100-5900 |
Battery consumption, mA | 1.1 | Battery size | 312 | Typ. battery lifetime (hrs.) | 120 |
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