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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

HEDDphone D1 – dynamic high-end headphone with Thin-Ply Carbon Diaphragm, hand-built in Berlin, neutral, detailed and uncompromisingly precise.

The Cayin IDAC-6 MK2 USB DAC is a high-end converter with a tube output stage and a high-performance DAC that supports PCM streams up to 32 bit / 768 kHz and DSD 512. It offers an I2S HDMI connection as well as a switch between tube and transistor output so that you can color the sound according to your preferences.

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.

The iHA-6 headphone amplifier offers adaptation to different headphone impedances and sensitivities; there are also special 6.3 mm jack sockets for high and low impedance headphones as well as a set of 3-pin XLR and a set of 4-pin XLR for balanced signal transmission.

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.

HEDDphone TWO UNPLUGGED – Reference-grade AMT headphones for demanding audiophiles and professionals.

HEDDphone TWO GT UNPLUGGED – High-end AMT headphones with warm tuning for an exceptional audiophile experience.

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 high-performance planar headphone with stunning detail, deep bass and a vast, immersive soundstage – every track sounds like the master tape. JOAL.

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A new version of the revolutionary AMT (Air Motion Transformer) from the HEDDphone 1, together with reduced weight and improved ergonomics: a combination that truly takes the HEDDphone to the next level.

The improved ergonomics and the new driver of the HEDDphone 2, now tuned for hi-fi enthusiasts: HEDDphone 2 GT.

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.