The Cayin HA-1A is a fully adjustable high quality audiophile tube Headphone Amplifier.

It's made from ultra-high-quality parts. It looks stunning especially for a headphone amp. The sound is so typically Cayin that being natural and musically delicate without excessive warmth or detail. In other words: just right. It's got an impedance selector switch that ranges from 6 to 300 ohms, so that it interfaces perfectly with any pair of headphones.

And, with an efficient pair of bookshelf speakers, the HA-1A can actually serve as a very effective integrated amp.

Like all Cayin products, HA-1A boasts:

Heavy gauge-vented chassis with an automotive lacquer finish to ensure a solid platform and elegant look.

Potted toroidal power transformers known for their lower stray magnetic fields that enables them to run cooler and quieter (no hum).

Soft-start circuit (30 seconds) and conservative design runs the tube easy and powers it up gently for extended tube life.

Tube plate fuse protects the amp output stage

Premium parts, including chassis-mounted ceramic tube sockets, ALPS volume control, Nichicon and Realcap capacitors, WBT style speaker terminals and Gold-plated input jacks.

Aeronautics quality control standards. 1 week continuous factory burn-in to ensure quality.