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  2. Headphone amplifiers & DACs (D/A Converters)

Headphone amplifiers & DACs (D/A Converters)

PRO X Lightning / UBC-C Cable

  • Why do the two cable versions (USB-C / Lightning) have different technical data?
  • Which devices, with an Apple Lightning port, can I connect with the PRO X Lightning cable?
  • Which USB-C devices can I connect to the PRO X USB-C cable?
  • What are the advantages of using the PRO X Lightning / PRO X USB-C cables over the analogue jack connection?
  • Are the PRO X Lightning / PRO X USB-C cables just adapters? How do they work?
  • Which headphones are compatible with the PRO X Lightning / PRO X USB-C cables?

Impacto universal / Impacto essential

  • What shall be considered when connecting the cables?
  • When does the HI-RES LED illuminate?
  • How can I increase the volume when using high-impedance headphones?

General headphone amplifiers

  • Will my headphones be loud enough on my amplifier? Online calculator
  • What digital/analogue converters (DAC) do you recommend in conjuction with the A 2 and A 20?
  • What does the Hi–Res Audio logo mean?
  • Why doesn’t the A 2 have any digital inputs?
  • When do you need to use a headphone amplifier?

A 20

  • Why does the A 20 have an output impedance of 100 ohms?
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