HIFIMAN at Audio46

Hifiman Prelude Fully Balanced Headphone Amplifier

Product SKU: Prelude (110V)


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Product Details

↓ Details provided by HIFIMAN

PRELUDE Fully Balanced Class A Headphone Amplifier

Full Balanced Class A MOS-FET High Current Output

The fully discrete architecture features a precise, single-ended balance conversion circuit that renders the single-ended RCA input balanced fully balanced.

The input stage employs a fully balanced amplifier architecture, with precise, single-ended/balanced conversion. The pre-amplifier circuit is independent, adopting a class A output structure, with excellent power and natural timbre.

Hifiman Prelude Fully Balanced Headphone Amplifier Overview

ALPS Potentiometer

The potentiometer ensures complete and accurate channel balance.

A customized high-power, low-noise toroidal transformer, with multi-channel high-speed low-noise voltage regulator circuit, supplies power for the headphone amplifier.

Hifiman Prelude Fully Balanced Headphone Amplifier ALPS POTENTIOMETER

Fully balanced headphone protection circuit

The housing is manufactured from a single piece of aluminum, which helps isolate harmful resonance that negatively affects sonic output.

Hifiman Prelude Fully Balanced Headphone Amplifier with Susvara


  • Combo Jack: XLR 3-Pin Balanced Output
  • Combo Jack: 6.35mm Single-ended Output
  • XLR 4-Pin Balanced Output
  • 4.4mm Balanced Output
  • Volume Control
  • Input Selection
  • Gain Selection
  • Output Selection
  • OLED Display (Current Input, Current Output, Current Gain)

Hifiman Prelude Fully Balanced Headphone Amplifier Front View


  • AC Power Connector (110V default setting)
  • Pre-Amp Output: XLR Balanced
  • Pre-Amp Output: RCA Single-ended
  • Audio Input: RCA Single-ended
  • Audio Input: XLR Balanced

Hifiman Prelude Fully Balanced Headphone Amplifier Back View


  • Frequency Response: 20-50KHZ, ±1dB@1KHz
  • Signal to Noise Ratio: -113dB @1KHz
  • THD+N: 0.0009%, low gain, @1KHz
  • Power Output: (0.1% @1KHz, balanced) 10W@32Ω, 6W@64Ω, 2.5W@150Ω, 1W@300Ω, 560mW@600Ω
  • Total Power Consumption: <50W
  • Dimension (L*H*W): 330*56*260mm, protrusions not included
  • Net Weight: 6.5KG

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