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Description

The Rose RS151 is the flagship network streamer in the Rose HiFi range, a Gen 2 unit built entirely in Korea that replaces the RS150B and revamps its digital architecture from the ground up. It's more than just a network player: it's a complete digital source with a built-in DAC , inputs for external sources, balanced outputs, and 4K video, designed to be the centerpiece of a high-end stereo system.

The heart of the digital section is the proprietary Rose DPC (Digital Processing Core) module, derived from the RD160 project. It manages format decoding, jitter removal, and input synchronization in separate blocks via a 100 MHz Femto Clock , aligning the streams into pure i2S data before conversion. Downstream is the ESS ES9039PRO DAC with fourth-generation Hyperstream technology , equipped with eight independent conversion channels, each with dedicated circuitry. The measurable result is a signal-to-noise ratio of 131 dB on the XLR outputs and a total harmonic distortion of 0,0002 percent.

Playback is bit-perfect up to DSD512 (22,6 MHz) and PCM 32bit/768kHz, with decoding MQA Full and the ability to upsample any source to DSD512. Those wondering what is the best network streamer for listening to high-resolution files from NAS will find here a system that manages libraries of up to a million tracks, thanks to the octa-core ARM Rockchip RK3588 processor, 8 GB of LPDDR4X memory and a operativo Android 12 custom. Storage expands with a 2,5-inch SATA SSD housed internally, or with USB drives up to 10 TB per port.

The 15,4-inch Full HD multi-touch IPS LCD display—an inch and a half larger than the previous generation—lets you control the device like a tablet, without having to use a smartphone or remote control. It displays album art, metadata, virtual VU meters, clocks, and full-screen video playback. Supported services include Tidal, Qobuz Connect, Spotify Connect, Apple Music, AirPlay, Roon Ready , Audirvana, DLNA/UPnP, RoseTube, and internet radio.

Connectivity covers virtually every integration scenario. The HDMI eARC input lets you connect your TV and use the RS151 as a DAC for TV audio up to 24-bit/192 kHz; the USB Type-B input makes it a USB DAC for your computer, compatible with ASIO on Windows, Core Audio on macOS, and ALSA on Linux. There are also coaxial and optical S/PDIF inputs, AES/EBU, and an analog RCA input. Outputs include balanced XLR and unbalanced RCA, as well as i2S on HDMI, AES/EBU, coaxial, and optical for driving an external converter. Trigger In/Out ports make it easy to switch on synchronously with power amplifiers and preamps.

The power supply is linear, with a custom-encapsulated toroidal transformer and separate branches for the digital, analog, and power sections. The chassis is made from 30 mm CNC-machined aluminum sheets, with profiled sides that dissipate heat without fans. Connecting the Rose RSA780 transport or a standard external CD-ROM drive via USB adds CD playback and direct ripping to the internal storage, a useful feature for those who want to digitize a physical collection without using a computer.

Specifications

PCM max PCM 32bit/768kHz
Integrated streaming Tidal, Qobuz Connect, Spotify Connect, Apple Music, AirPlay, Roon Ready, Audirvana, DLNA/UPnP, RoseTube, internet radio
Integrated DAC ESS SABRE ES9039PRO – 4th Gen Hyperstream, 8 Independent Channels
Digital inputs USB 2.0 Type-B (DSD512 / PCM 32 bit/768 kHz), RCA coaxial (DSD128 DoP / PCM 24 bit/384 kHz), Toslink optical (DSD64 DoP / PCM 24 bit/192 kHz), AES/EBU XLR (DSD128 DoP / PCM 24 bit/384 kHz), HDMI eARC (PCM 24 bit/192 kHz)
Digital outputs i2S over HDMI with configurable pinout (DSD512 / PCM 32-bit/768 kHz), AES/EBU XLR, coaxial RCA, optical Toslink
Bluetooth 5.4 SIG-Certified, Qualcomm QCC3083 chip, aptX codec
Year of production 2024
Alimentazione Linear, custom encapsulated toroidal transformer, separate digital/analog/power branches
Cabinet material 30mm CNC machined aluminum, heat dissipating side panels
Trim Silver and Black
Dimensions (WxHxD) 430 x 125 x 319 mm
Analog inputs 1x unbalanced stereo L/R RCA
Weight 11 kg
Rapporto S/N 131 dB
Frequency response 20Hz - 75kHz (+/-0,5dB)
DSD max DSD512
Harmonic Distortion (THD) 0.0002%

About the brand

Rose Audio represents the pinnacle of South Korean high-end audio, founded in 2014 in Seoul by a team of engineers specializing in advanced digital technologies. The brand positions itself in the premium segment of the international hi-fi market, distinguishing itself with an innovative approach to music reproduction that combines analog tradition and the digital revolution.
Rose Audio's corporate philosophy stems from the belief that technology should serve musical emotion, not dominate it. Each product is designed following the "Digital meets Analog" principle, where cutting-edge digital processing merges with refined analog circuitry to preserve the naturalness of the sound. The company constantly invests in research and development, collaborating with university laboratories and international centers of excellence to develop proprietary solutions that redefine the standards of modern high fidelity. Production, entirely carried out in South Korea at the Incheon facilities, follows rigorous quality protocols that include individual testing.dualfor each individual component and final checks that can last up to 72 hours for the top-of-the-range models.
Rose Audio's distinctive technologies revolve around the revolutionary DSD Pro Engine, a proprietary processor capable of handling audio files up to DSD512 and PCM 32bit/768kHz while maintaining the purity of the original signal. The ARIA (Adaptive Room Intelligence Algorithm) system represents a unique innovation in the hi-fi scene, using artificial intelligence to analyze the room acoustics and automatically optimize the stereo system's frequency response. The analog circuitry is based on the patented Pure Class Circuit, a proprietary topology that eliminates the switching distortions typical of traditional circuits, while the power supply uses toroidal transformers.dali custom made with special alloys to minimize magnetic interference.
The Rose Audio product range includes hi-res network players, high-quality integrated amplifiers, DACs, and complete audio systems. The RS line represents the brand's entry-level offering, offering network streamers and solid-state integrated amplifiers with native support for all major streaming services and wireless protocols. The Rose HiFi series offers more refined solutions, with reference-level SACD/DVD CD players and hybrid amplifiers combining tube pre-amplification and solid-state power amplifiers. At the top of the range, the Signature collection features monoblock separates and pure Class A power amplifiers capable of driving any floorstanding or bookshelf speaker with absolute control.
Rose Audio's product series are divided into specific categories to satisfy every audiophile's needs. The RS150 and RS250 lines include all-in-one network players with integrated touchscreens, perfect for those seeking maximum versatility without compromising on sound. The RA180 and RA280 models represent the next generation of tube integrated amplifiers, while the RT series offers high-end turntables with a carbon tonearm and magnetic cartridge as standard. For the most demanding audiophiles, the RPS series preamps offer complete channel separation and independent power supplies, ideal for driving high-efficiency floorstanding speakers or professional studio monitors.
Rose Audio has received numerous international awards, including the prestigious CES Innovation Award 2023 for the RS250 network player and the What Hi-Fi Gold Award for the RA180 integrated amplifier. The trade press has consistently praised the build quality and sonic performance of Rose Audio products: Stereophile called the RS520 CD player "a new benchmark for digital playback," while Hi-Fi World awarded the RA280 amplifier five stars for "exceptional musicality and explosive dynamics." Reviews from AudioReview Italia have highlighted how Rose Audio products combine technological innovation with respect for audiophile tradition, characteristics rarely found simultaneously in modern hi-fi brands.
Rose Audio's target audience includes advanced audiophiles, hi-res digital music enthusiasts, and audio professionals seeking technologically advanced solutions without sacrificing musicality. The price range extends from €2.500 for the entry-level RS models to €25.000 for the Signature systems, positioning the brand in the accessible high-end segment. Rose Audio products are particularly aimed at those with high-quality digital music collections who want to fully exploit the potential of hi-res streaming and native DSD files.
The Italian distribution of Rose Audio is entrusted to Audiocostruzioni, a specialized distributor that guarantees qualified technical support and direct after-sales assistance. The products are available at the best specialized hi-fi retailers and through the online channel. Audiocostruzioni, with the option of in-home testing for higher-end models. Technical support includes free firmware updates, specialized telephone support, and scheduled maintenance to keep every Rose Audio stereo system performing at peak performance. The authorized service network covers the entire country with specialized centers in major Italian cities.

Find out more on our blog

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