Devialet Expert 250 Pro
Expert Pro is the world’s most advanced audiophile systems, 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.
All the promises of an Expert Pro system.
2×250 Watts Under 6Ω
A piece of craftmanship for extreme performance.
The Expert 250 Pro pushes the limits of power amplification thanks to an exclusive hand-polished casing, equipped with a 100% pure copper bottom plate.
INFINITELY UPGRADABLE
Choose from solo, dual-mono or up to 8 Expert Pro in multi-amplification and 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.
Add another 250 Pro, and instantly you have a Expert 1000 Pro
MAJOR TECHNOLOGICAL BREAKTHROUGHS
Breakthrough after breakthrough, Expert Pro technologies continue to redefine audio industry standards.
Ten years of research and development, 160+ patents and 90 awards later, Expert Pro remains the most critically acclaimed audio system of all time.
A SCORE OF LEADING-EDGE TECHNOLOGIES
ADH® hybrid amplification delivering the musicality of analogue 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 Expert Pro’s architecture.
And with Core Infinity, Expert Pro’s new intelligent core, streaming your music without compromising sound quality is both simple and accessible.
CORE INFINITY, EXPERT PRO’S NEW INTELLIGENT CORE
Core Infinity opens Expert Pro to a whole new world of features designed to heighten current and future streaming capabilities.
Complete with the latest Devialet OS operating system, Core Infinity brings a range streaming protocols to Expert Pro, including Roon with Devialet AIR®, UPnP renderers, AirPlay®, Spotify Connect and more to come.
In wireless mode and Ethernet, discover a new world, open and future-proof.
ROON READY
Roon and Devialet are thrilled to announce that Expert Pro systems have been awarded Roon Ready certification, bringing the best of Roon’s features to the Expert Pro range.
Enjoy Expert Pro and Roon Ready to the fullest and discover our offer to celebrate this partnership.
AN EXCEPTIONAL REMOTE CONTROL
An exceptional piece of technology and craftsmanship, Expert Pro’s remote lets you control your system with extreme precision from the palm of your hand.
Operated via ultra-low latency, omni-directional radio link, volume control has never been as refined and reactive.
What’s in the box
- 1 Devialet Expert 250 Pro
- 1 Expert Remote (3 AAA batteries LR03 1,5V included)
- 1 User Manual
- 1 Warranty booklet (5 years)
- 1 SD card
- 1 Power cable
- 1 Pair of gloves
- 1 Microfibre cloth
Devialet Expert 250 Pro Specifications
Range
Stereo
Exclusive technologies
ADH®, SAM®, RAM®, AIR®, EVO®, DAC Magic Wire®
streaming services
Roon Ready
UPnP
Airplay®
Spotify Connect
Daisy chaining
Up to 8 units
Pre-amplified output
Yes (mono / stereo)
Casing
Carved out from a single aluminium block
Side plating
No
Phono stage
Advanced (MM / MC)
Dimension
Width: 400mm | Depth: 400mm | Height: 40mm
Weight
9,7Kg
Power Supply
Universal 90-240Vac – 50/60Hz
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)
power
2×250 Watts RMS under 6Ω
Distortion at full power
0.0005% THD+N
Distortion at full power
0,00025% (10W / 6Ω)
Distortion at 10w
0.00025% THD+N
Distortion at 10w
0,0005% (250W / 6Ω)
Signal-to-noise ratio
130dB
Output impedance
0.001Ω
Damping factor
8000
Bandwidth
DC-30kHz @ -0.1dB
DC-95kHz @ -3dB
Phase rotation
0.4° at 20kHz
1.8° at 40kHz
Thermal distorsion
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®, Roon Ready, UPnP, AES/EBU, Coaxial)
Up to 24bits / 96kHz PCM (Optical)
Up to 1bit / 3.072000MHz DSD64 (USB, Coaxial)
Analogue 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
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