Devialet Expert 250 Matte Black Pro Upgraded With Core Infinity.



Good condition(light scratches on top). Original box.

Product Description

Devialet Expert 250 Pro Amplifier is an exceptional stereo system that is upgradable to Dual-Mono or multi-amplification. It pushes the limits of power amplification thanks to an exclusive hand-polished casing, equipped with a 100% pure copper bottom plate.

Devialet Expert Pro
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.

Infinitely Upgradable
Choose from stereo, 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.


Type: Solid-state, 2-channel integrated audio system amplifier with built-in DAC, phonostage, wireless streaming, and 400MHz, four channel 40-bit DSP.

Analogue inputs: One configurable MM/MC phono input (via RCA jacks), two single-ended line-level inputs (via RCA jacks), all upsampled to 24 bit/192kHz

Digital inputs: Four S/PDIF RCA connectors (can be used for analogue), one optical Toslink, one AES/EBU, one combined optical jack/RS232 3.5mm jack, 1x USB, 1x RJ45, inbuilt AIR wireless

Analogue outputs: multi-way loudspeaker connectors, subwoofer (via RCA)

Digital outputs: AES/EBU and RCA (for daisy chaining Devialets)

Supported sample rates: Wireless: 16-bit, 24-bit, 32kHz-96kHz; Coaxial and optical S/PDIF: 16-bit, 24-bit — 32kHz – 96kHz USB: 16-bit, 24-bit, 32-bit — 32kHz – 192kHz

Power Output: 2x 250W under six ohms (250W with v7.0 firmware)

Bandwidth: digital DC-87kHz (-3dB); analogue 0.1Hz-87kHz (-3dB)

Distortion: THD+N at full power: 0.001%; IMD: 0.001%.

Signal to Noise Ratio: 130dB unweighted

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.