For today’s article, we review the new HiBy RS2 which is an entry-level R2R DAP featuring the company’s proprietary Darwin architecture. It is priced at $479.
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Well, they are back now with the RS2 but for those thinking it’s a tweak of the original R2 then think again.
This is a totally different proposition incorporating a lot of HiBy’s latest developments including their innovative Darwin Architecture that debuted on the RS6. It is also an R2R DAP and possibly the cheapest one in the market today at $479.
Drawn from the Darwin Architecture first seen on the RS6, the diminutive RS2 is packed full of features normally seen on higher-end DAPs. Given the R2R discrete engineering approach, that means the features are all controllable in-house rather than bought off the shelf with a mix of software and hardware tweaks.
This includes linearity compensation for the R2R array, a 256-tap adjustable FIR filter, a harmonic controller, as well as NOS and OS options, and the ability to oversample at a 16X rate when required.
The RS2 rides on HiBy’s customized PureAudio version HiBy OS and enjoys a “cleaner” audio pathway on the system level, compared to Android which requires SRC bypass and components to support wireless functions.
I consider the simplified configuration on the RS2 to be a smart move when there are more power constraints. In this case, a lightweight OS would allow better allocation of power and by not including some wireless functions more space, power can be saved as well as reducing noise from the corresponding components.
For codecs, the RS2 supports up to 32BIT/PCM384kHz.