Devialet Expert 250 Pro Amplifier. *Very Good Condition*


Very good condition. With box and remote.

Product Description

*No Core Infinity.
Expert 250 Pro is the top-level stereo configuration in the Devialet Expert Pro range.
Expert 250 Pro combines preamp, amplifier, DAC and phono stage, all in one unit crafted from a solid piece of aluminium.
2x 250W of power for extreme performance, and a wonderful piece of craftmanship too, Expert 250 Pro features an exclusive hand-polished casing, plus 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.

Devialet engineers have achieved 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.


Range: Stereo
Technologies: ADHV2®, SAM®, RAM®, AIR®, EVO®, DAC Magic Wire®,
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 6 Ohms
Distortion At Full Power: 0.0005% THD+N
Distortion at 10W: 0.00025% THD+N
Signal-To-Noise: 130dB
Output Impedance: 0.001 Ohm
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 75 Ohm
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

Return & Refund Policy

Return & Refund Policy
• All Pre-Owned items have been tested before listing.
• We encourage buyers to test and verify the equipment condition at our showroom (1 Coleman Street, The Adelphi, Unit 03-35) — pre-owned condition as shown on our listed page.