With its DAP R2R2000, Hifiman offers a compact but extremely powerful high-end portable player. Integrating 2 DAC R2R PCM1704UK, an FPGA, a connector with balanced outputs or Bluetooth SDHC for quality wireless transmission, this portable reader is a real gem in terms of design quality and performance.
With its DAP R2R2000, Hifiman offers a compact but extremely powerful high-end portable player. Integrating 2 DAC R2R PCM1704UK, an FPGA, a connector with balanced outputs or Bluetooth for wireless transmission, this portable reader is a real gem in terms of design quality and performance.
Dual R2R PCM1704K DAC
The Hifiman R2R2000 has one Burr Brown PCM1704UK Digital to Analog conversion chip per channel. These are R2R chips that are now extremely well known in the audiophile world but are no longer distributed. These are able to support files up to 24bits 192kHz and offer an absolutely exceptional sound reproduction that has greatly contributed to their reputation.
The DAP also includes an FPGA custom-designed by the brand. It acts as a digital filter and is capable of supporting sampling rates up to 768kHz.
A tailor-made OS
Hifiman, chose for its R2R2000 to design a custom operating system rather than using Android or another software layer. Indeed, Hifiman's OS has only one task to perform at a time, allowing it to largely limit jitter. Another system like Android has to perform several tasks at the same time causing jitter creation and thus decreasing audio quality.
Exceptional internal design
The R2R2000 integrates a truly audiophile circuit with ultra-low distortion analog filters, discrete filtering of the left and right channels of each PDO and a buffer design to ensure high-purity reproduction. Coupled with the PCM1704UK pair, the device has a formidable arsenal to ensure audio performance rarely achieved in the DAP field.
Balanced Jack 3.5mm headphone output
Balanced Jack 4.4mm headphone output
Low noise power supply
2x DAC PCM1704UK
Dual output and USB DAC
This DAP has the particularity of having an extended output connector. We find there the classic symmetrical 3.5mm jack but also a connector in a less common format, a 4.4mm jack. This allows you to enjoy a balanced audio signal using a 4.4mm TRRRS to XLR 4-pole jack cable for even higher audio reproduction and up to 500mW per channel. A feature that is particularly rare in the world of DAPs and will delight purists and Hifiman helmet owners.
The player can also be connected directly to a smartphone or computer and work as an excellent DAC by connecting it via its USB-C plug.
Powerful & compact
Thanks to the custom operating system, the CPU and control circuits consume only 10mA. The remaining 95% is therefore available to directly power the audio output. This means that this DAP not only has a high efficiency but also that it does not need to integrate a huge battery to offer a high autonomy while maintaining a high audio quality. This design also allows the R2R2000 to be extremely compact and therefore to follow you around without being noticed.
Long battery life & fast charging
The R2R2000 incorporates a large battery giving it a long battery life. Indeed, it will allow you to listen to your music all day long: for 8 hours in HiFi mode and 35 hours in Eco mode. This last mode saves the device's power consumption by offering an excellent listening quality.
No battery? Nothing serious, the R2R2000 also has the Rapid Charge in 2A 5V, allowing it to fully recharge its battery in less than an hour.
Many supported file formats
Hifiman's DAP R2R supports many high-resolution file formats. It includes WAV, FLAC, ALAC, APE and AIFF and those up to 24bit 192kHz (for the first 3). For the most audiophiles, the R2R2000 also allows you to read DFF and DSF files up to DSD64. In addition, as these high-resolution files weigh a lot, the player can accommodate Micro SD cards up to 256GB (not included). Thus, there is no need to choose between quality and quantity.
Supported file formats
WAV, FLAC, ALAC, APE, AIFF, DFF, DSF
Sampling rate / Bit depth
PCM Jack 3.5mm / 4.4mm: Up to 24bits 192kHz DAC via USB-C : Up to 24bits 384kHz DSD64
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