Posted 20 hours ago

Cayin RU6 USB DAC Headphone Amplifier

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Joined in 2023

About this deal

The RU6 with its full 4V swing and 213mW/32Ω of power output, is powerful and can drive a wide range of headphones with good grip and plenty of headroom.

Plus, the back of this leather case is magnetic which should work with some equipped smartphones, or with an included matching leather covered small metal plate circles which you stick on the back of your mobile device. It’s almost impossible to follow up on all of them, but in all honesty, I don’t think that’s needed either.Sliding off the outer lid reveals the RU6 and below is a foam inlet with compartments containing a Type-C to Type-C interconnect cable, Type-C to USB-A adaptor and papers. USB Audio Bridge: receive different audio format from USB, go through high precision signal enhancement, output I2S bit-stream for subsequent processing. Both modes are immersive with superb articulation, and you can feel the nuances in the vocal’s edge and transients when circulating between the two options.

As follow up to their R01 N6 II module, the company is introducing the RU6 that features a shrunken down derivative of the same R-2R DAC. Using the oversampling mode adds to the perceived clarity, speed, and resolution while the non-oversampling mode remains well-balanced and more rounded.This proved to be very useful as I am using my RU6 with anything from as high as 100db to as low as 91db of sensitivity listening devices with resistances up to 600 Ohm. You can feel the superior verve captured by the R-2R hardware and different voices are presented with good authority and weight while its naturalness is seldomly achieved by similar devices of this size. Digital filter-less, no post-processing, optimised in time domain, low phase distortion and jitter, no ringing artefact.

On the other side of the spectrum, RU6 is as amazingly competent driving super sensitive stuffs like multi drivers hybrid IEMs.The elaborated decay sounds punchy with piano and drums, breathing in more air and bounciness while not coloring the output boomy. In terms of dimensions, the RU6 is slightly larger than your typical dongle but hardly to an extent that pocket or portable use become awkward.

Lately Cayin has strongly been focusing on the portable market as well with successful units such as t he N5ii, the N3, the N6II, the C9 and the reference N8. Cayin's RU6 is a safe bet for a high-end DAC/Amp dongle with all the flexibility DAC/Amp dongles bring, an excellent foray into R-2R technology as well as into genuinely portable Hi-Fi — without breaking the bank.I think Cayin did a great product - RU-6 is the 2021 dongle for me, a dongle that will make premium brands sweat. balanced jack of the RU6, switched on NOS mode, and was playing music out of Roon from my desktop PC.

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