High Performance Network Streamer Gen2

RS151

The RS151 is a network streamer that achieves groundbreaking improvements in every aspect. ROSE's proprietary cutting-edge technologies developed during the RD160 project, combined with the latest flagship DAC chip and sophisticated design, deliver revolutionary advancements in audio performance. The significantly enhanced processing power, based on a next-generation 8-core CPU, integrates seamlessly with the Full HD wide-view multi-touch display introduced in the RS130, delivering a smoother and more enjoyable playback experience.
With upgrades in performance, functionality, and convenience, the RS151 sets a new standard for high-resolution audio and streaming.

Innovative Signal Processing

ROSE DPC(Digital Processing Core)™™™ Module

The ROSE DPC™ module is applied to the RS151's digital stage, minimizing jitter and maximizing signal quality by precisely synchronizing input signals with a highly precise Femto clock and aligning them as I2S signals. All processing blocks within this module are designed to maintain the highest level of signal accuracy. Additionally, the circuit for the user interface and GUI configuration is completely isolated from the digital audio signal path, thoroughly eliminating signal distortion and interference. Through this design, the RS151 guarantees accurate signal processing, natural and clean sound, and seamless compatibility with various digital formats.

Cutting-Edge DAC Design

ROSE NRA (Noise Reduction Analog)™™™ Filter

The analog stage features the ROSE NRA™ filter, designed to eliminate noise and enable flat frequency characteristics even at extremely low frequency ranges. With this innovation, the RS151 boasts a fixed frequency response across the entire range without roll-off, faithfully and clearly reproducing the original sound information embedded in high-resolution audio sources.

Advanced Audio Performance

Sound Quality Progress via Sophisticated Design

The RS151 incorporates a variety of technological innovations and premium components to enhance sound quality. In the DAC stage, I/V conversion circuit, and OP-AMP stage, high-precision MELF resistors and audio-grade WIMA film capacitors are employed to improve linearity during signal processing and minimize distortion. Additionally, the bias voltage of the OP-AMP is precisely controlled, resulting in a more refined and natural sound.
A single-point ground design minimizes grounding loops and suppresses noise interference, enhancing signal purity. Around the power supply, decoupling capacitors with low ESR and high ripple current capacity are placed to effectively filter high-frequency noise and strengthen power supply stability. Thanks to these sophisticated design, the RS151 achieves remarkable measurement values with a SNR of 131.4dB and THD+N of just 0.0002%. These figures represent groundbreaking progress in signal accuracy and sound quality.

Enhanced Processing with Next-Generation 8-Core CPU

Equipped with the next-generation 8-core CPU, the RK3588, RS151 boasts four times the data processing performance and eight times the graphics performance compared to its predecessor. The DRAM capacity has been doubled from 4GB to 8GB, while the eMMC storage has been expanded from 8GB to 32GB, providing processing speeds more than twice as fast. This enables seamless playback of large audio files and 4K high-resolution videos with HDR, while the media library capacity has tripled, supporting over a million tracks.
Additionally, improved I/O bus performance offers read/write speeds approximately twice as fast as before, allowing for quicker file transfers and faster response times during music playback for a smoother listening experience. The newly integrated Android 12 OS further enhances user convenience and security, providing an intuitive and stable user experience.

Full-Size Multi-Touch Display

The RS151 features HiFi ROSE's signature full-size wide-viewing-angle display, enhancing the appeal of "Impression of sound enjoyed by eyes and ears"" to the fullest. Upgraded from 14.9 inches to 15.4 inches and from HD to Full HD, the display offers a generous screen size and superior resolution, reproducing album art and videos in stunning high quality. The intuitive multi-touch screen panel provides exceptional user convenience, while its high resolution and wide color gamut allow for detailed and vivid visual representation. This advanced display not only enriches the experience of listening to music but also adds enjoyment and ease to various tasks utilizing the display.

Upgraded Connectivity with Advanced Features

Other Features

Το DSD 512 Upsampling

The RS151 offers the ability to convert PCM audio to DSD and upscale it to a maximum of DSD512 using the ROSE DPC™ module. This allows users to enjoy various PCM audio sources with the rich, unique sound characteristics of DSD. The high-resolution upsampling preserves the fine details of the original source while enriching the sound with depth and clarity tailored to user preferences.

Highly Precise Femto Clock

The RS151 employs a highly precise Femto clock, renowned for its exceptional synchronization accuracy and stability. This clock ensures sampling accuracy and resolves issues such as inter-channel phase errors, offering precise soundstage representation and crystal-clear stereo imaging.

Circuit Breaker

The RS151 includes a circuit breaker as a safety feature to protect against overloads and short circuits.
Unlike standard fuses, the circuit breaker minimizes current loss and signal distortion with its wide metal contacts, enabling accurate reproduction of dynamic bass and clear treble in high-resolution audio, ensuring superior sound quality.

Linear Power Supply and Ideal Circuit Design

Premium Internal Wiring

The in-house developed reference linear power supply is designed with high-capacity capacitors and ULTRA LOW NOISE power chipsets to minimize noise. By physically separating the power supply and digital stage, it prevents electrical noise interference, resulting in distortion-free playback and significantly improved sound quality.

High-purity oxygen-free copper (OFC) cables, known for their excellent conductivity, have been used in the power and I/O stages, both critical to sound quality. These cables effectively minimize electromagnetic interference and noise in the power lines, ensuring cleaner and more stable power delivery, while enabling precise signal transmission in the I/O stages and contributing to a richer and more refined audio experience.

Aluminum Chassis Minimizing Micro-Vibrations

The RS151's chassis is crafted from aluminum plates up to 30mm thick, CNC-machined for effective heat dissipation, ensuring stable performance even during extended use. Its minimal assembly joints enhance structural rigidity, effectively suppressing vibrations that could adversely affect sound quality. This meticulous design not only reinforces the RS151's consistent audio performance but also elevates its aesthetic sophistication.

IR Remote Control

Replacing the previous Bluetooth-based control, the RS151 now features an IR remote receiver. With less restrictions on range and angle and no need for pairing, the IR remote offers stable, intuitive control and enhanced user convenience.

Connect Anything

You can enjoy seamless streaming through the network. It supports Airplay and DLNA functions.
Also, you can connect the device to a smartphone, computer, or tablet PC through WiFi/Giga Ethernet / Bluetooth communications.

Innovative ROSE OS system

HiFi ROSE's own OS system provides an innovative listening environment.
In addition to playing and streaming ultra-high-quality music, it offers a variety of services including 4K high-definition video playback, music-oriented YouTube listening, Pod casts, various radio broadcasts around the world, CD playback and ripping.

ROSE Audio Engine

HiFi ROSE can deliver pure audio data to DAC without loss by using RoseAudioServer, developed by ROSE, and realizes advanced high fidelity audio service by using various signal processing technologies.

ROSE Connect Application

It includes a Dedicated Remote Control Application that allows users to conveniently control and smartly manage ROSE devices. The remote control application works on various platforms including iPhone, iPad, Android phone, and PC.

SPECIFICATIONS