Cayin HA-3A | Desktop Tube Headphone Amplifier-Bloom Audio
Cayin HA-3A | Desktop Tube Headphone Amplifier-Bloom Audio
Cayin HA-3A | Desktop Tube Headphone Amplifier-Bloom Audio

Cayin HA-3A | Desktop Tube Headphone Amplifier

Regular price$1,599.00

Cayin gold logo with shadow

Cayin HA-3A Combines Refinement and Pure Tube Power

  • Transformer Coupled, Balanced Vacuum Tube Headphone Amplifier
  • Features 4-Pin, 4.4mm, and 6.3mm Headphones Outputs
  • Desktop friendly design helps HA-3A fit into your lifestyle
Cayin HA-3A Desktop Tube Amplifier

Engineering meets Aesthetics

The HA-3A represents exquisite design accomplished by first class engineering – aesthetics backed up by genuine production quality. The HA-3A vacuum tube headphone amplifier is built so you can listen favorite music through your choice of headphones or earphones, and escape into a private, indulging retreat.

HA-3A might look compact and simple, but Cayin has devoted our renowned engineering and decades of audio equipment manufacturing to combine carefully selected, high-performance components to make it happen.

Clean Power with Minimum Interference

HA-3A users the renowned RCA 25AX4GT as a rectifier tube. The rectifier converts the incoming power souce to DC current and the RCA 25AX4GT does this while minimizing interference and providing clean power to the amplification circuit. Accompanying the RCA 25AX4GT Rectifier are dual matched JJ 12AU7/ECC82 in the driver stage, and dual EHX 6V6GT for the output stage.

Transformer-coupled, Balanced Drive

The 6V6 output drivers a pair of proprietary output transformers that support single-ended and balanced headphone outputs. The secondary winding of the output transformer provides the alternate phase needed for a balanced output, enabling balanced power from a single-ended origin.

Key Features

Impedance Matched Headphone Output: choose from Low, Medium, or High impedance to match your headphones

Optimized Headphone Outputs: the 4-pin XLR will provide the maximum power while the 4.4mm output allows for compatibility with high-end IEMs and more sensitive options.

60 second start up delay circuit: Protects your tubes and minimizes noise related to the warm up cycle of the amplifier

Cayin HA-3A Desktop Tube Amp

Incredible Craftsmanship and In-house design

The entire circuit is hand wired using point to point wiring, rather than a circuit board. Point to point, shortens the signal path and improves the efficiency and conductivity. Cayin also uses power transformers, designed and wound in house, to ensure that the shielding and output is up to their standards.


  • Analog Inputs
    • RCAx2
    • XLRx2
  • Output Power
    • 4.4mm BAL: 230mW (L), 350mW (M), 400mW (H)
    • 6.3mm SE:400mW (L), 600mW (M), 700mW (H)
    • 4-Pin XLR: 600mW (L), 750mR (M), 850mW (H)
  • THD: <0.2%
  • SNR: 100dB
  • Weight: 12kg
  • Dimensions: 306mm x 260mm x 170mm
  • Power Consumption: 80W

In the Box

  • iHA-6 Amplifier
  • Power Cable
  • User Manual

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