HiFiMAN R2R2000 World's Smallest Hi-Res Bluetooth/USB DAC Player

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  • Bluetooth Streamer
  • PCM1702 DAC chipset | Dual R2R DAC
  • USB DAC with USB-OTG support
  • Balanced Outputs: 3.5mm & 4.4mm
  • Battery life: HiFi Mode: 8 hours and Eco Mode up to 35 hours
  • Memory: MicroSD (up to 256GB)
  • Fast charging with USB-C, full charge in under an hour at 2A-5v
  • Dynamic Range: 115dB
  • Frequency response: 20Hz-40kHz
  • Balanced output: 500mW p/ch
  • THD Distortion: 0.0006%.
  • Dimensions: Width 56mm, Height 97.4mm, Depth 13.1 – 18.8mm
  • Weight: 142g

In the Box

  • HiFiMAN R2R2000 Hi-Res Bluetooth/USB DAC Player
  • Luxurious leather box
  • USB-C to USB-A data and charging cable
  • USB extension cable
  • Manual

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HiFi Man R2R2000 HD High Res amplifier, DAC and Bluetooth streaming music player featuring LHDC (Low Latency High Definition Codec) which is claimed to be superior to aptX, a proprietary OS, Dual R2R PCM1702 DAC chips and support for 8x oversampling.


A custom-designed, single-process operating system handles the sole task, ensuring jitter is kept to the bare minimum. Audiophile-quality circuitry, ultra-low analogue filters, a discrete left/right filter for each operational amplifier and an advanced buffer design result in sonic output that presents the best of any format. Dual R2R PCM1702 DAC chips, which are famous for accepting input data of 20 and 24-bit lengths at sampling frequencies up to 96kHz, support 8x oversampling at the highest sampling rate.


The signal-to-noise ratio reaches the maximum for all electronic devices, enabling a dynamic range of 115dB. Designed for the utmost flexibility, the HiFiMan R2R 2000 unit features two balanced headphone output jacks (3.5 and 4.4mm) with an adapter for 4.4mm-to-XLR balanced connection included. Frequency response is measured at 20Hz-40kHz, and total harmonic distortion (THD) is 0.0006%.

Power Output

Balanced output power is rated at 500mW per channel, the same as many high-end desktop amplifiers, yet the R2R2000 is a compact unit weighing only 142g. Thanks to the custom OS, the CPU and control circuitry consume only 10mA power with 95% of the R2R2000’s power consumption being channelled directly to the audio output.

Battery Life

The lightweight compact battery lasts eight hours in HiFi Mode and up to 35 hours in power-saving Eco Mode. The hi-res player section brings out the best in all popular lossy and lossless formats including FLAC, DSD, WAV, ALAC, AIFF, MP3 and accepts MicroSD cards up to 256GB in capacity.


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