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Cayin HA-2i Desktop Headphone Amplifier

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Cayin HA-2i Desktop Headphone Amplifier

  • High performance low-noise UltraFET Technology (Signal to Noise Ratio >= 100dB)

  • Push-pull class A amplifier circuit for excellent dynamic characteristics

  • High output power, suitable for 16~600 ohm headphones

  • Two independent 6.35mm stereo headphone output jacks

  • Perfect protection circuit, full protection of the amplifier and headphones

  • Japanese original ALPS 16 Type Volume potentiometer for high fidelity and durability

  • Premium brushed-aluminum finish, also effectively shielded from external interference

  • Compact & small desktop footprint

  • External power supply system to reduce interference to internal amplifier circuitry



Improved upon the HA-2, the HA-2i features a much smaller footprint but even better performance than before. Driving high impedence headphones with ease, the HA-2i is crafted to pair beautifully with popular cans like the HD600, HD650, K701, even orthodynamic headphones wouldn't be an issue as well.

Technical Specifications

Additional Information

Package Contents
  • Cayin HA-2i Desktop Headphone Amplifier
  • External Power Supply (Universal 100~240V Input, 30V 1A DC output)
  • Power Cable (UK 2 Prong type) 
Colour Red
Warranty 1 year (local)
Product Weight (g) 900
Availability Discontinued
Product Type Amplifier (Headphone)
Style/Type Desktop
Features Line-in
Signal-to-Noise Ratio (SNR) ≥ 103dB (A-weighted)
Total Harmonic Distortion (THD) ≤ 0.03% (1kHz)
Input Connectivity 3.5mm stereo, RCA (Line-In)
Output Connectivity 3.5mm Stereo
Additional Tech Specs
  • Output power : ≥ 900mW (RMS 32 ohms load )
  • Frequency response : 10Hz-110KHz (-0.5dB) 
  • Input impedance : 100K ohms
  • Input terminal : RCA
  • Output Headphone jack : 6.35mm x 2
  • Dimensions : 180mm x 170mm x 36mm (W x D x H)
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