Devialet Expert 250 Pro Integrated Amplifier
Devialet Expert 250 Pro Integrated Amplifier
Stock expected March 2025
The ultimate audiophile system
The Expert 250 Pro redefines power amplification, featuring an exclusive hand-polished casing with a 100% pure copper bottom plate for optimal performance.
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: Stereo
Exclusive Technologies: ADH®, 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: Yes (Mono / Stereo)
Casing: Carved out from a single aluminum 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 600W continuous, 4000W peak, high output with Power Factor Correction (PFC)
Wi-Fi: 2.4 GHz / 5 GHz 802.11ac, compatible with 802.11a/b/g/n
Ethernet: RJ45 100/1000 Mbps
USB: USB Audio 2.0 asynchronous, very low latency, bi-directionality (for digitization of analog sources)
Digital Coaxial Inputs: Up to 4 x RCA 75 Ω
Digital Optical Inputs: 1 x TOSLINK, up to 1 x Mini TOSLINK 3.5 mm
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)
Analog Inputs: Up to 2 x RCA stereo, sensitivity adjustable via the configurator, advanced phono stage (MM / MC)
Speaker Output: 4 mm banana plugs, fork connectors or stripped cables, compatible with all speakers from 8 Ω to 2 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 trigger connector Trig In and Trig Out
Power: 2 x 250W RMS under 6 Ω
Distortion at Full Power: 0.0005% THD+N
Distortion at 10W / 6 Ω: 0.00025% THD+N
Signal-to-Noise Ratio: 130dB
Output Impedance: 0.001 Ω
Damping Factor: 8000
Bandwidth: DC-30 kHz @ -0.1 dB, DC-95 kHz @ -3 dB
Phase Rotation: 0.4° at 20 kHz, 1.8° at 40 kHz
Thermal Distortion: Below measurement threshold
Dimensions: 400mm x 400mm x 40mm
Weight: 9.7kg