126dB dynamic range. Roon Ready Ethernet streaming. High-current headphone output. The Bel Canto E1X DS1 brings HDR-II Core DAC technology into a slim, constrained-layer aluminium chassis — realistic, compelling, and uncompromised from every digital source. Realistic. Compelling. Uncompromised. Clarity is not the same as brightness. Precision is not the same as coldness. The Bel Canto E1X DS1 Streaming DAC/Control Preamplifier understands the difference — and builds on it. Drawing on more than twenty years of digital-to-analogue design evolution, its HDR-II Core delivers 126dB of dynamic range, distortion below 0.001%, and a musical character that is open, detailed, and entirely natural. Built into a slim, all-aluminium constrained-layer chassis designed for easy placement in any system, the DS1 manages every digital source with equal authority — Ethernet streaming at up to 24-bit/192kHz with MQA and DSD64, AES, S/PDIF, and TosLink digital inputs, and a high-current headphone output that reconfigures the unit into a dedicated headphone amplifier at the plug of a jack. iOS wireless control via the Bel Canto SEEK app and Roon Ready endpoint capability bring the full modern streaming experience to a platform built around sonic integrity above all else. This is the E1X sonic characteristic: realistic and compelling musical expression, without compromise. HDR-II: Twenty Years of DAC Evolution Bel Canto's High Dynamic Range II (HDR-II) Core is the culmination of more than twenty years of digital-to-analogue design evolution — improving dynamic range, analogue output stage design, and digital filters while reducing spurious signal generation and jitter-related errors with each successive generation. Advanced Segment Technology combines multi-bit and delta-sigma designs to produce 132dB dynamic range with linear-phase digital filters. The CMOS analogue conversion operates in Constant Voltage, Class A Differential Current mode — with large constant-bias differential currents keeping every precision resistor, film capacitor, and amplification device in thermal stasis, preserving the full dynamic character of the original recording. Ultra-Low Phase Noise Master Clocks run free from dedicated low-noise supplies, asynchronously stripping jitter from every incoming digital source. Two Filter Choices. Your Preference. The DS1 offers two selectable digital filter options via the main menu. The Standard filter — factory default — provides excellent sonic balance across all music types. The Fast filter focuses the audio image with slightly higher upper frequency extension and tighter bass. The choice is yours, and it can be changed at any time. Streaming Without Limits Bel Canto's proprietary asynchronous Ethernet input supports high-resolution files up to 24-bit/192kHz, MQA, and DSD64 — connecting to subscription streaming services or a personal NAS library with complete iOS wireless control via the SEEK app. Android users can use the MConnect app. The DS1 is a Roon Ready endpoint for seamless Roon integration. RS-232 support enables connection to sophisticated whole-house control systems. Headphone Output A dedicated secondary DAC with 112dB dynamic range drives the headphone output through a high-current output buffer, capable of driving 32-ohm headphones to high levels. Plugging in headphones automatically reconfigures the DS1 into a dedicated headphone amplifier — with volume controlled from the front panel and the option to leave headphones connected while switching between outputs. Always Up to Date Over-the-network firmware updates via Ethernet ensure the DS1 is always running the latest software — without power cycling or manual intervention. Feature Cards 🎛️ HDR-II DAC Core — 126dB Dynamic Range Twenty years of DAC evolution in a single proprietary core. Advanced Segment Technology with Class A Differential Current output, Ultra-Low Phase Noise Master Clocks, and 132dB dynamic range — for sound that is as analogue in character as it is digitally precise. 📡 Roon Ready Ethernet Streaming Asynchronous Ethernet streaming at up to 24-bit/192kHz with MQA and DSD64 support — connect to Roon, streaming services, or your personal NAS library with full iOS wireless control via the Bel Canto SEEK app. 🎧 High-Current Headphone Output A dedicated 112dB dynamic range DAC drives the headphone stage through a high-current output buffer — auto-configuring into a dedicated headphone amplifier when headphones are connected, capable of driving 32-ohm headphones to high levels. ⚙️ Two Digital Filter Options Choose between the factory Standard filter for excellent sonic balance, or the Fast filter for a more focused audio image with tighter bass and extended upper frequency — selectable at any time from the main menu. Editorial Blockquote "Incredible audio performance, features, and flexibility — the DS1 is musically open, detailed, and natural sounding. The E1X sonic characteristic emphasises realistic and compelling musical expression." — Bel Canto Design At-a-Glance Bullets HDR-II proprietary DAC core — 126dB dynamic range, Class A Differential Current output Advanced Segment Technology DAC — 132dB dynamic range, linear-phase digital filters 24-bit volume control Roon Ready via 10/100 Ethernet streaming — up to 24-bit/192kHz, MQA, DSD64 DLNA network streaming iOS control via Bel Canto SEEK app — Android via MConnect AES, S/PDIF, TosLink digital inputs — up to 24-bit/192kHz MQA decoding DSD64 via Ethernet Dedicated headphone output — 112dB dynamic range DAC, 2.75Vrms, auto-configures on plug-in Balanced XLR outputs — 5.5Vrms / 100 ohms RCA outputs — 2.75Vrms / 100 ohms Two selectable digital filter modes — Standard & Fast RS-232 for whole-house control system integration Ultra-Low Phase Noise Master Clocks — asynchronous, jitter-free Subwoofer output via line output Configurable maximum volume setting Over-the-network firmware updates via Ethernet Slim all-aluminium constrained-layer chassis Dimensions: 451 × 400 × 83mm — Weight: 6.4kg Finish / Colour Options Black Specifications Maximum Data Input Rates Specification Detail AES / S/PDIF / Optical Up to 24-bit / 192kHz 10/100 Ethernet Up to 24-bit / 192kHz, MQA, DSD64 & DSD128 Headphone Output Specification Detail Headphone Output 2.75Vrms maximum — 32Ω minimum load Headphone DAC Dynamic Range 112dB Main Outputs Specification Detail Balanced XLR Output 5.5Vrms XLR Output Impedance 100 ohms RCA Output 2.75Vrms RCA Output Impedance 100 ohms Minimum Load 600 ohms Performance Specification Detail Dynamic Range 126dB A-weighted THD+N < 0.001% (1W, 1kHz, 4Ω) IMD (CCIF) < 0.001% (1W, 18.5:19.5kHz, 1:1, 4Ω) General Specification Detail Power Consumption (On) 20W Power Consumption (Off) 0W Operating Voltage 100–120VAC / 220–240VAC, 50/60Hz Dimensions (W × D × H) 451 × 400 × 83mm (17.75 × 15.75 × 3.25 inches) Weight 6.4kg (14 lbs) Colour Black Closing Quote "Class-leading 126dB dynamic range. Roon Ready streaming. A high-current headphone stage. The Bel Canto E1X DS1 is for music lovers who want an uncomplicated, uncompromised, and exhilarating home audio experience — in a chassis that fits anywhere."
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