Sonus™ - Technical Specifications

  • Maximum OSPL90: <114 + 3 dB
  • HFA OSPL90: 110 ± 4 dB
  • Maximum full-on gain (FOG50): 30 ± 5 dB
  • HFA full-on gain (FOG50): 27 ± 5 dB
  • Frequency range: 250–5000 Hz
  • Total harmonic distortion: <5% at 500, 800, and 1600 Hz
  • Equivalent input noise: <32 dB
  • Charging time: 2.5 hours
  • Operating time: 24 hours
  • Operating current: 0.4 mA
  • Battery type: lithium
  • Operating voltage: 3.0–4.2 V DC
  • Weight: 2 g
  • Dimensions: 18 × 14.5 × 9 mm
  • Operating temperature: 0–40 °C
  • Operating humidity: 30–80%
  • Storage temperature: −20–50 °C
  • Storage humidity: 30–80%
  • Stated measurement standard: ANSI S3.22-2003, 2 cc coupler