Description
HiFi’s RD160 is an aesthetically pleasing balanced DAC, based on a duo of AK4191 and AK4499EX chips per channel, capable of upsampling signals up to PCM 32bit 768kHz and DSD512. The brand’s expertise ensures a design quality that leaves no detail to chance, having identified every source of noise and potential distortion to provide a suitable solution.
Rose HiFi RD160: Refined aesthetics
The RD160’s appearance perfectly blends cutting-edge technology with the most refined aesthetics. Its aluminum case is machined from a single block, and benefits from a design that reduces the number of joints to an absolute minimum, so as to minimize potential vibrations. Heat sinks have been placed on both sides, ensuring that the RD160 maintains a regulated temperature, even during prolonged use. Last but not least, the hidden display, harmoniously integrated into the front panel, offers a rendering of rare elegance.
Rose HiFi RD160: DPC module (Digital Processing Core)
The RD160’s digital stage incorporates the Rose DPC™ module, designed to ensure that all processing blocks maintain the highest level of signal accuracy to deliver faithful, detailed sound reproduction. This module precisely synchronizes input digital signals in various ways to a high-precision OCXO clock, and aligns them to I2S signals. This process applies clock synchronization and locking to minimize jitter, particularly when processing high-resolution audio signals, for precise signal processing and therefore natural, transparent sound. The user interface and GUI configuration circuits, as well as the digital audio signal circuitry, are completely separated to effectively block distortion and interference. This design enables the RD160 to deliver high-fidelity sound with a high-quality digital signal and compatibility with a wide range of digital formats.
Rose HiFi RD160: 3 separate linear power supplies
Developed specifically by HiFi ROSE, the RD160’s linear power supply is designed to deliver the best sound quality. Based on an ultra-low-noise chipset, the power supply is designed to independently power digital input ports and analog output ports. This power supply effectively suppresses the noise that can occur in each circuit, such as digital processing, clock and analog output, minimizing mutual interference and crosstalk between the various stages. By providing a stable power supply tailored to the needs of each stage, it maintains signal integrity and increases the dynamic range and resolution of the DAC. It also reduces jitter and optimizes spatialization, delivering a wider, more accurate soundstage and clearer images.
Rose HiFi RD160: Adjustable output level
The maximum permissible input voltage for amplifiers varies according to manufacturer and model. If the output voltage of the source device exceeds this limit, clipping may occur, resulting in sound distortion. The RD160 offers a wide range of output level options, from 1V to 9V, guaranteeing clean, clipping-free sound and perfect compatibility with all amplifiers. By activating this function, you can adjust the level via the rotary knob, enabling you to connect the RD160 directly to a power amplifier without the need for a separate preamplifier.
Rose HiFi RD160: Upsampling and digital filter
The RD160 offers the possibility of increasing the sampling rate of your signal via several options (bypass, upscale to PCM, and upscale to DSD) and supports signals up to 32bit 768 kHz PCM and DSD512. In addition, six digital filters with different responses are available, allowing you to choose according to your listening preferences. Both functions can be easily adjusted using the buttons on the left-hand side of the front panel, and are displayed on the live screen.
Rose HiFi RD160: USB Optical & External clock inputs
The USB SFP with optical conversion function completely blocks the digital noise generated by the source device. The Rose RS130 (sold separately), ideally suited for use with the RD160, also supports the USB SFP connection and can transmit data to the RD160 perfectly cleanly and noise-free.
The RD160 also features inputs for 75Ω and 50Ω external clocks. By using the master clock, jitter caused by optical, coaxial, AES/EBU and USB connections from the source to the DAC is eliminated, while ensuring perfect synchronization of the devices.
| Specifications | |
|---|---|
| Product type | Volume DAC |
| DAC chips | 2x AK4499EXEQ 2x AK4191EQ |
| Power supply | 3x Independant toroidal transformer |
| CPU | RK3128 Quad Core Cortex-A7MP |
| RAM mamory | 1GB 1866Mhz DDR3 |
| Flash memory | 8GB eMMc |
| Internal clock | OCXO clock |
| Inputs | 1x USB SFP 1x USB-B 2.0 1x HDMI I2S 1x Coaxial RCA 1x Coaxial BNC 1x Optical Toslink 1x AES/EBU |
| Outputs | 1x Steroe XLR 1x Stereo RCA |
| Supported sampling rates | USB SFR / USB-B / HDMI I2S : PCM 32bit 768kHz / DSD512 Coaxial RCA / Coaxial BNC / AES/EBU : PCM 32bit 384kHz / DSD128 Optical Toslink : PCM 32bit 192kHz / DSD64 |
| External clock inputs | 1x BNC 75Ω (10MHz) 1x SMA 50Ω (10MHz) |
| Output levels | 1V ~ 9V |
| Digital filters | Sharp Sharp Slow Short Sharp (default) Short Slow Super Slow Low Short |
| Input sensitivity | 0dBF 1kHz |
| Output impedance | 300Ω |
| Output voltage | RCA : 4.5Vrms XLR : 9Vrms |
| THD | 0.005% |
| SNR | 124dB |
| Residual noise | RCA : 0.3mV XLR : 0.4mV |
| Crosstalk | -124dB |
| Frequency response | 10Hz – 20kHz (-0.3dB) 10Hz – 50kHz (-1.5dB) 10Hz – 73kHz (-3.0dB) |
| Operating temperature | 0 ~ 40°C |
| Storage temperature | -10 ~ 50°C |
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