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Devialet Expert 250 Pro Amplifier


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Enquiry/price check? Click here SKU: DVLE250
Ex VAT: £11,241.67

Expert 250 Pro pushes the limits of power amplification thanks to an exclusive hand-polished casing, equipped with a 100% pure copper bottom plate.

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Warranty length 5 Years
Brand Devialet

Tech Specs

- Power: 2x 250W RMS under 6Ω
- THD+N: 0.0005% @full power
- THD+N @10W: 0.00025%
- S/N Ratio: 130dB
- Output Impedance: 0.001Ω
- Damping Factor: 8000
- Bandwidth: DC -30/95kHz (-0.1/-3dB)
- Phase Rotation: 0.4°/1.8° @20/40kHz


- 2x SHARC 400MHz DSP
- 1x 16MHz RISC processor
- 4x 40MHz RISC processor
- 1x 64MHz RISC processor


- WI-FI: 2.4GHz / 5GHz 802.11ac
- Compatible: 802.11a/b/g/n
- ETHERNET: RJ45 100/1000 Mbps
- USB Audio; USB 2.0 Asynchronous
- Bi-directionality
- Digital coax in: Up to 4x RCA 75Ω
- Optical: TOSLINK, 1 miniTOS 3.5mm


- Up to 32bits / 192kHz PCM (USB)
- Up to 24bits / 192kHz PCM (AIR, UPnP, AES/EBU, Coax)
- Up to 24bits / 96kHz PCM (Optical)
- Up to 1bit / 3.072000MHz DSD64 (USB, Coaxial)


- Analogue in: Up to 2x RCA stereo
- Sensitivity: adjustable via Configurator
- Advanced phono stage (MM / MC)
- 4mm banana, fork plugs or stripped cables
- Compatible with all speakers from 8Ω to 2Ω
- Short-circuit protection and active filtering
- Home Automation: Up to 1x RS232 3.5mm
- Trigger in/out: 3.5mm trigger connector
- Daisy chaining: Up to 8 units
- Phono stage: Advanced (MM / MC)
- Pre-amplified output: mono / stereo
- Dimensions (LWH): 400 x 400 x 40mm
- Weight: 9.7Kg

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.

Leading-Edge Technologies

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.

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 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.

Absolute Fidelity

A game-changing innovation, SAM enables Expert Pro to produce a signal ideally suited to your exact speaker model, thanks to advanced mathematical modelling of their acoustic architecture determined by SAM Lab.

With perfect temporal alignment and greater extension into low-end frequencies, the sound stage is exquisite. Revolutionary, SAM technology ensures you get the best from your speakers while providing permanent protection from overload. 800+ speaker models are now SAM-ready, and yours are certainly among them.

For all your sources

However you want to connect to Expert Pro, rediscover your entire music library, without exception or compromise. Coaxial or optical digital inputs, USB, AES/EBU, analogue phono and line inputs, Ethernet, dual band WiFi... Expert Pro systems are built to meet your every preference and need, effortlessly.

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Contact Details

Customer Services Landline
0121 224 7350/7351

Sales Landline
0121 224 7300/7401

Sales WhatsApp
07706 203859

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