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.
Expert Pro is the world’s most advanced audiophile system, 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. Entirely configurable and upgradable, Expert Pro reveals your music’s full potential, whatever the source or speakers.
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 aluminium block
Side plating
No
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)
Dimensions
Width: 400mm | Depth: 400mm | Height: 40mm
Weight
9,7Kg
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 mini TOSLINK 3.5mm
Supported formats
Up to 32bits / 192kHz PCM (USB)
Up to 24bits / 192kHz PCM (Roon Ready, 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
Power
2x250 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 10V
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
1 Devialet Expert 250 Pro
1 Expert Remote (3 AAA batteries LR03 1,5V included)
1 User Manual
1 Warranty booklet (2 years)
1 SD card
1 Power cable
1 Pair of gloves
1 Microfibre cloth
