Expert 250 Pro
250 is the top-level stereo configuration in the Devialet Expert Pro range.
Delivering 2x 250 Watts of power under 6Ω, A piece of craftmanship for extreme performance. Expert 250 Pro pushes the limits of power amplification, and features an exclusive hand-polished casing, plus a 100% pure copper bottom plate.
Also, a revised step in the manufacturing process in late 2020 saw a new dark-chrome finish applied to the casings of the Expert Pro 250 and the Expert Pro 1000 Dual models.
- Range: Stereo
- Technologies: ADHV2®, SAM®, RAM®, AIR®, EVO®, DAC Magic Wire®, Core Infinity
- Streaming Services: UPnP, Airplay®, Spotify Connect
- Daisy Chaining: Up to x8 units
- Phono Stage: Advanced MM/MC
- Pre-Amplified Output: Yes (Mono / Stereo)
- Casing: Hand-polished, carved from a single aluminium block, 100% pure copper bottom plate for optimal thermal dissipation
- Side Panel: Dark Chrome
- Power: 2x 250W under 6ω
- Distortion At Full Power: 0.0005% THD+N
- Distortion at 10W: 0.00025% THD+N
- Signal-To-Noise: 130dB
- Output Impedance: 0.001ω
- Damping Factor: 8000
- Bandwidth: DC-30Hz @-0.1dB, DC-95Hz @ -3dB
- Phase Rotation: 0.4° 20kHz, 1.8° 40kHz
- Intelligence: 1x QUAD-CORE 1GHz CPU, 2x SHARC 400MHz DSP, 1x 16MHz RISC processor, 4x 40MHz RISC processor, 1x 64MHz RISC processor
- Thermal Distortion: Below measurement threshold
- Wi-Fi: 2.4GHz / 5GHz 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 digitisation of the analog sources)
- Digital Coaxial Inputs: Up to 4x RCA 75ω
- Digital Optical Inputs: 1x TOSLINK, up to 1x miniTOSLINK 3.5mm
- Supported Formats: Up to 32bits / 192kHz PCM (USB), up to 24bits / 192kHz PCM (AIR®, UPnP, AES/EBU, Coaxial), up to 24bits / 96kHz PCM (Optical), up to 1bit / 3.072000MHz DSD64 (USB, Coaxial)
- Analog Inputs: Up to 2x RCA stereo, sensitivity adjustable via the Configurator, advanced phono stage (MM / MC)
- Speaker Output: 4mm banana plugs, fork connectors or stripped cables, compatible with all speakers from 8Ω to 2Ω, short-circuit protection, active filtering available
- Home Automation: Up to 1x RS232 3.5mm 115200 bauds (documentation available via the Configurator)
- Trigger: 3.5mm trigger connector, Trig-In and Trig-Out
Expert Pro Series
The world’s most advanced audiophile system, Devialet Expert Pro is meant for music lovers in search of a refined and emotional listening experience.
Designed to replace traditional Hi-Fi systems, Expert Pro delivers all the core elements of playback – preamp, amp, DAC, streamer, phono stage – in a single and ultra-compact unit.
By rethinking sound reproduction at every turn, Devialet engineers have been able to achieve the best performance ever measured, at all power levels. With a precise and natural attack, explosive dynamics, naked silence and beautifully true timbre, the experience is breathtaking.
Entirely configurable and upgradable, Expert Pro reveals your music’s full potential, whatever the source or speakers.
Expert Pro can be purchased in stereo, dual-mono or multi-amplification configurations (up to x8 units combined) allowing you to scale your system according to your individual needs.
With infinite configurability and performance that’s constantly pushing beyond, Expert Pro’s unique fractal architecture meets your every requirement.
Breakthrough after breakthrough, Expert Pro technologies continue to redefine audio industry standards. Ten years of research and development, 100+ patents and 60 awards later, Expert Pro remains the most critically acclaimed audio system of all time.
ADH® hybrid amplification delivering the musicality of analog and the power of digital, SAM® real-time speaker active matching, on-the-fly phono stage configuration with RAM®, Magic Wire® DAC to eliminate thermal distortion, free and regular upgrades through the EVO® platform.
Exclusively developed by Devialet engineers, these technologies radically enhance every aspect of the Expert Pro architecture. Plus with Core Infinity (the new intelligent core of Expert Pro) streaming your music without compromising sound quality is both simple and accessible.
Roon and Devialet are thrilled to announce that all Expert Pro systems have been awarded Roon Ready certification, bringing the best of Roon’s features to the Expert Pro range.
Exceptional remote control
An exceptional piece of technology and craftsmanship, the Expert Pro Remote lets you control your system with extreme precision from the palm of your hand.
Operated via ultra-low latency, omnidirectional radio link, volume control has never been as refined and reactive.