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The Cayin RU3 is a combined USB DAC and headphone amplifier—designed to provide a powerful, high-quality sonic alternative to the typically weak headphone outputs of mobile devices.

The Cayin RU7 is a USB DAC and headphone amplifier in one - built to provide a powerful alternative to the usually weak headphone outputs of mobile devices, but good enough to stand up to stationary setups as well.

The ultimate portable tube USB DAC (amplifier): Cayin RU9

Small but mighty: Cayin Audio presents its new, tiny but mighty Class A headphone amplifier that packs a punch. With the iHA-8, the tube genius returns to the transistor world and delivers almost 20 watts of Class A power in a compact desktop format.

Hybrid Power System for devices from any manufacturer, but best matched with Ferrums own gear - Hypsos. The intelligent power supply to get the best out of your high end stack.

Hybrid Power System for devices from any manufacturer, but best matched with Ferrums own gear - Hypsos. The intelligent power supply to get the best out of your high end stack - now with 2 outputs.

The new HA-2A from Cayin sets new standards in audio performance as a balanced tube headphone amplifier with selected NOS tubes.

Modern, good-sounding streamer that can be excellently combined with the iDAC-8 and iHA-8.

After the flagship music player Cayin N30LE, which was equipped with AKM AK4499EQs converter and a tube output stage and received rave reviews, now comes the new tube DAC/preamplifier iDAC-8. The iDAC-8 stands for a unique sound experience with a tandem of AK4191EQ - AK4499EXEQ converter chips and a 6H6b-B tube circuit.

Austrian Audio Full Score One: High-end headphone amplifier with True Transient Technology, extremely low THD, and power for 10–600 Ω headphones.

With the full reprogramming of ERCO’s software in combination with crucial changes in the analog circuitry, Ferrum is introducing a newer and better ERCO. The ERCO Gen 2 will bring their entry-level DAC one step closer to the performance levels of WANDLA, their flagship converter. 

The Cayin HA-3A is a feast for the eyes and ears: visually, the headphone amplifier scores points with its glowing tubes, shiny housing and attractive aluminum front, while the analog flair is underlined by the pointer-armored VU meters. Acoustically, excellent transformers and transformers as well as the puristic two-stage amplifier circuit in Class A operation and single-ended design ensure extremely clear, clean, dynamic and powerful amplification with ample reserves.

A powerhouse in a compact chassis — the Ferrum OOR. Specifically designed to meet the demands of the Susvara, it can effortlessly drive virtually any headphone on the market, delivering an exceptionally dynamic and detailed sound.

Rediscover your music: Austrian Audio The Composer offers 5 Hz–44 kHz clarity, <0.1 % THD and a soundstage that feels like a live concert.

Rediscover your music: Austrian Audio The Composer offers 5 Hz–44 kHz clarity, <0.1 % THD and a soundstage that feels like a live concert.

For the highest demands on mobile audio - the Cayin C9 II, a tube amplifier for your jacket pocket, with Nutube tubes and customizable sound characteristics.

End-game DAC in a small form factor - Wandla. The only DAC powerful enough to run filters by Jussi Laako, developer of HQPlayer, directly on the device.

Digital audio player for desktop use that plays music files from hard drives, USB sticks, and SD cards — while leaving nothing to be desired in terms of sound quality.

Powerful tube amplifier that comes with 2 sets of tubes to change the sound: to either find the perfect sound for you, or to have 2 amplifiers in one and change from time to time depending on your mood.

Ferrum's high-end converters paired with a really powerful headphone amplifier - the result is one of the mightiest all-in-one devices on the market.