Devialet Expert 440 Pro Dual Integrated Amplifier
Devialet Expert 440 Pro Dual Integrated Amplifier
Stock expected March 2025
The ultimate audiophile system
The Expert 440 Pro merges two Expert 220 Pro units, delivering up to 16 physical inputs and 440W per channel, providing a true Dual-Mono setup with no compromises.
Incomparable performance
Expert Pro is the pinnacle of audiophile systems, designed for music lovers seeking a refined and emotional listening experience. Combining preamp, amp, DAC, streamer, and phono stage in one ultra-compact unit, it redefines traditional Hi-Fi systems.
Entirely configurable and upgradeable
Expert Pro offers unmatched configurability, revealing the full potential of your music regardless of the source or speakers. Expand your system from solo to dual-mono or up to 8 Expert Pro units in multi-amplification.
Major technological breakthroughs
With 10+ years of R&D, 160+ patents, and 90 awards, Expert Pro features groundbreaking innovations:
- ADH® Hybrid Amplification: Combines analog musicality with digital power.
- SAM®: Real-time speaker matching for perfect alignment and low-frequency extension.
- RAM™: Dynamic phono stage with 256 configurations for precise playback.
- Magic Wire® DAC: Eliminates thermal distortion for uncompromised clarity.
- EVO® platform: Offers free, regular software upgrades to stay future-proof.
Absolute fidelity with SAM®
SAM® technology adapts audio signals to your speaker model, offering exquisite sound staging, temporal alignment, and low-end extension while protecting speakers from overload. Compatible with over 1,000 speaker models.
Core Infinity for enhanced streaming
Powered by Core Infinity, Expert Pro supports Roon Ready, UPnP, AirPlay®, and Spotify Connect. Enjoy seamless streaming over Wi-Fi or Ethernet with cutting-edge Devialet OS.
Precision configurability
Customize your system using the Expert Pro Configurator. Assign multiple functions per connector, define active filters, and configure the phono stage with absolute precision to suit your preferences and setup.
Exceptional connectivity
Expert Pro supports:
- Digital inputs: Coaxial, optical, USB, AES/EBU
- Analog inputs: Phono and line
- Network: Ethernet and dual-band Wi-Fi
An exceptional remote control
Crafted with precision, the Expert Pro remote offers ultra-low latency and omnidirectional control for seamless volume adjustment.
ADH® - Analog Digital Hybrid
ADH® technology delivers analog clarity with digital efficiency, ensuring transparency and fidelity across all volumes.
SAM® - Speaker Active Matching
Using a mathematical model of your speakers, SAM® perfectly aligns the recorded signal with speaker output for unprecedented audio accuracy.
RAM™ - Record Active Matching
Expert Pro’s RAM™ adapts dynamically to your turntable and records, offering 256 configurations and 13 RIAA equalization curves for tailored playback.
Specification :
Range: Dual-Mono
Exclusive Technologies: ADHV2®, SAM®, RAM®, EVO®, DAC Magic Wire®
Streaming Services: Roon Ready, UPnP, AirPlay®, Spotify Connect
Daisy Chaining: Up to 8 Units
Phono Stage: Advanced (MM / MC)
Pre-Amplified Output: Patented Magic Wire Digital / Analogue Converter, D/A T.I. PCM1792, Unique High-Precision MasterClock with Very Low Jitter: 2ps RMS, Conversion of all Inputs into 24-bit/192 kHz, Built-In DSD / PCM Conversion.
Casing: Dark Chrome, Casing Carved out From a Single Aluminium Block.
Side Plating: No
Power Supply: Universal 90-240 Vac – 50/60 Hz, Power Cable Provided Adapted to the Country, Patented Single Stage Switching Mode Topology, High Power Level: 600 W Continuous, 4000 W Peak, High Output with Power Factor Correction (PFC).
Connectivity:
Wi-Fi: 2.4 GHz 802.11 b/g/n Wi-Fi, Supported Formats: 16 Bit/44.1 kHz PCM to 24 Bit/192 kHz PCM
Ethernet: RJ45 100/1000 Mbps
USB: USB Audio 2.0 Asynchronous Input/Output, Supported Formats: 16 Bit/44.1 kHz PCM to 32 Bit/192 kHz PCM, DSD64 1 Bit/2.822400 MHz and 1 Bit/3.072000 MHz, Special Characteristics: Very Low Latency
Digital Coaxial Inputs: Supported Formats: 16 Bit/44.1 kHz PCM to 24 Bit/192 kHz PCM, DSD64 1 Bit/2.822400 MHz and 1 Bit/3.072000 MHz
Digital Optical Inputs: Supported Formats: 16 Bit/44.1 kHz PCM to 24 Bit/192 kHz PCM
Supported Formats: Up to 32 Bits / 192 kHz PCM (USB), Up to 24 Bits / 192 kHz PCM (Roon Ready, UPnP, AES/EBU, Coaxial), Up to 24 Bits / 96 kHz PCM (Optical), Up to 1 Bit / 3.072 MHz DSD64 (USB, Coaxial)
Analogue Inputs: Up to 4 x RCA Stereo, Sensitivity Adjustable via the Configurator, Advanced Phono Stage (MM / MC)
Speaker Output: 4 mm Banana Plugs, Fork Connectors or Stripped Cables, Adjustable From 30 WRMS to 440 WRMS via the Configurator, Compatible with all Speakers, from 1 Ω to 16 Ω, Short-Circuit Protection, Active Filtering Available
Home Automation: Up to 1 x RS232 3.5 mm 115200 Bauds (Documentation Available via the Configurator)
Trigger: 3.5 mm Mini-Jack Connector
Performance:
Power: 2 x 440 Watts RMS Under 6 Ω
Distortion at Full Power: 0.00025% THD+N
Distortion at 10 W / 6 Ω: 0.0001% THD+N
Signal-to-Noise Ratio: 133 dB
Output Impedance: 0.001 Ω
Damping Factor: 8000
Bandwidth: DC-30 kHz @ -0.1 dB, DC-95 kHz @ -3 dB
Phase Rotation: 0.2° at 20 kHz, 0.9° at 40 kHz
Thermal Distortion: Below Measurement Threshold
Dimensions & Weight:
Dimensions (W x D x H): Master & Companion: 383 mm x 383 mm x 40 mm
Weight: Master: 5.9 kg, Companion: 5.4 kgeshold