Sennheiser IE SERIES

• Impedance

  20 Ohms

• Frequency response

  20 – 18,000 Hz

• Sound pressure level (SPL)

  115 dB (1kHz / 1 Vrms)

• THD, total harmonic distortion

  < 0.1 % (1kHz, 94dB)

• Cable length

  1.3m (4.3 feet)

• Transducer principle

  Dynamic

• Weight

  18 g

• Attenuation

  < 26 dB

For more info please visit https://en-us.sennheiser.com/ie40pro

• Impedance

  16 Ohms

• Frequency response

  6 – 19,000 Hz

• Sound pressure level (SPL)

  123 dB (1kHz / 1 Vrms)

• THD, total harmonic distortion

  < 0.08 %

• Cable length

  1.3m

• Transducer principle

  Dynamic

• Weight

  18 g

• Attenuation

  up to 26 dB

For more info please visit https://en-us.sennheiser.com/ie-400-pro

• Impedance

  16 Ohms

• Frequency response

  6 – 20,000 Hz

• Sound pressure level (SPL)

  126 dB (1kHz / 1 Vrms)

• THD, total harmonic distortion

  < 0.08 %

• Cable length

  1.3m

• Transducer principle

  Dynamic

• Weight

  18 g

• Attenuation

  up to 26 dB

For more info please visit https://en-us.sennheiser.com/ie-500-pro