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Brand: HiFi Rose

HiFi Rose RS451 Network Streamer & Headphone Amplifier

Equipment Network Audio Player
SKU: AHFRNSRS451B
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Full Details

Compact, Classy, and Cool: HiFi Rose RS451 Network Streamer/Headphone Amplifier Touts Dual DACs, Native DSD512 Capability, Superb Connectivity, and Flagship-Quality Architecture 

Size matters. Especially when real estate is limited — or, you want something within arm’s reach as the hub of a go-to desktop system. The HiFi Rose RS451 compact network streamer/headphone amplifier is expressly designed to suit these circumstances. Bolstered with the flagship-level architecture that grace the company’s full-size units, RS451 offers balanced performance, extraordinary fidelity, smooth resolution, and comprehensive connectivity to make your life easy — and ears extremely happy.

Stocked with dual SABRE ESS ES9027PRO DACs (one for the pre-out section, one for the headphones section) and an eight-core RK3588 CPU, RS451 delivers PCM-to-DSD upsampling up to DSD512, extremely low-jitter USB playback, and format capability up to native DSD512 and 768kHz PCM. A trademarked Rose DPC encompasses femto clock sync, I2S alignment, and jitter reduction. The similarly trademarked Rose NRA helps account for the ruler-flat frequency response and supremely low noise floor. RS451 also touts 8GB of RAM and a 32GB eMMC. You won’t worry about content limitations. It supports libraries that contain more than one-million tracks. So feel free to amass as much music as you want. 

Able to comfortably drive headphones up to 600 ohms with precise impedance matching, RS451 includes three outputs — 4.4mm balanced, 6.35mm unbalanced, and XLR balanced — to accommodate different ‘phone preferences and models. Indeed, when it comes to hooking up, RS451 is a player. An HDMI eARC input abets a coaxial input/output, USB 2.0 input, and trigger in/out. Bluetooth 5.4 is standard — inviting you to wirelessly play aptX to your heart’s content. And in a nice old-school touch, RS451 comes with an IR remote for easy control. 

Housed in a svelte aluminum chassis complete with an engraved Rose emblem, RS451 further shines with an 8.8-inch LCD touchscreen with visible audio interface. Exceptional measured specs — a dynamic range of 124dB, a THD+N rating of -114dB — provide additional prowess of its audiophile character and class. 

If you need to know more about RS451 or HiFi Rose, simply reach out at 312-433-0200. 

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Highlights

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  • Dual ES9027PRO DACs — one for pre-out, one for headphones
  • 4.4mm balanced, 6.35mm unbalanced, and XLR balanced headphone outputs
  • Drives headphones up to 600Ω with low noise and precise impedance matching
  • 8.8-inch LCD touchscreen (1920×480) with "Visible Audio" interface
  • Compact aluminum chassis with engraved ROSE emblem

Specifications

  • Performance & Processing
  • Dynamic Range: +124dB
  • THD+N: -114dB
  • Formats: PCM up to 768kHz, native DSD512
  • ROSE DPCâ„¢ — femto clock sync, I²S alignment, jitter reduction
  • ROSE NRAâ„¢ — flat frequency response, low noise fl
  • CPU: 8-core RK3588, 8GB RAM, 32GB eMMC, Android 12
  • Library support: Over 1M tracks
  • Connectivity
  • HDMI eARC — 24-bit/192kHz uncompressed audio
  • Bluetooth v5.4 (aptX, Qualcomm QCC3083, SIG-certified antenna)•Coaxial I/O: PCM 32-bit/384kHz, DSD128 (DoP)
  • USB Audio Class 2.0: PCM 32-bit/768kHz, DSD512
  • Trigger In/Out: 3.3V – 12V power sync
  • Other Features
  • PCM-to-DSD upsampling (up to DSD512)
  • IR remote (no pairing, wide range/angle)
  • Low-jitter USB performance without external DAC
  • Balanced performance for both system integration and headphone listening
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