| Tech Specification | IEC 60118-7 / ANSI S3.22-2003 |
| Peak OSPL90(dB SPL) | 136dB |
| HFA OSPL 90 | 128dB |
| Full-range Sound Gain(dB) | 56dB |
| Frequency Range(Hz) | 300Hz-5000Hz |
| Total Harmonic Distortion | 800 Hz – 5%, 1600 Hz – 3% |
| Equivalent Input Noise(dB) | 20dB |
| Battery Drain(mA) | 10mA |
