TECHNICAL SHEET EXPERT 440 Pro

GENERAL SPECIFICATIONS

• Finish : Unique casing hand polished
• Colour : Dark chrome finish
• Dimensions : Length: 400mm  |  Width:  400mm  |  Height: 40mm
• Weight :
  • Master : 5.9Kg
  • Companion : 5.4Kg
• Installation : Horizontal or vertical installation with automatic tilt detection

PERFORMANCES

• Power : 2x440WRMS 6Ω
• Signal-to-Noise ratio : 133dB
• THD - 130W/6Ω : 0,00025% / -112dB
• THD - 10W/6Ω : 0,0001% / -120dB
• Output impedance : 0,001Ω
• Damping factor : 8000
• Bandwidth :
  • DC-30kHz (-0.1dB)
  • DC-95kHz (-3dB)
• Phase :
  • 0.2° at 20kHz
  • 0.9° at 40kHz
• Thermal distortion : Below measurement threshold
• Technologies : ADHV2®, SAM®, AIR®, EVO®, DAC Magic Wire®, RAM®
• Intelligence :
  • 3 x SHARC 400 MHz DSP's
  • 1 x 16 MHz RISC processor
  • 4 x 40 MHz RISC processors
  • 1 x 64 MHz RISC processor
• Synchronisation : Up to 8 units

INPUTS / OUTPUTS

• Wi-Fi :
  • 2.4GHz 802.11 b/g/n Wi-Fi input for the Devialet AIR universal streamer
  • Supported formats: 16-bit/44.1 kHz PCM to 24-bit/192 kHz PCM
• Ethernet RJ45 :
  • RJ45 10/100 Mbps Ethernet input for the Devialet AIR universal streamer
  • Supported formats: 16-bit/44.1 kHz PCM to 24-bit/192 kHz PCM
• USB :
  • USB Audio 2.0 asynchronous input/output
  • Supported formats:
    • 16-bit/44.1 kHz PCM to 32-bit/192 kHz PCM
    • DSD64 1bit/2.822400MHz and 1bit/3.072000MH
  • Supported formats:
    • Very low latency
    • Bi-directionality for digitisation of the active source
• S/PDIF TOSLINK optical connector : Supported formats :  16-bit/44.1 kHz PCM to 24-bit/192 kHz PCM
• 3.5mm mini-jack S/PDIF optical + RS232 connector :
  • Supported formats: 16-bit/44.1 kHz to 24-bit/96 kHz
  • Device control via the bidirectional RS232 protocol up to 115200 bauds (documentation available via the configurator)
• RCA 1 & RCA 2 connector (selected via the configurator) :
  • 1 or 2 coaxial S/PDIF digital inputs
    • Supported formats:
      • 16-bit/44.1 kHz PCM to 24-bit/192 kHz PCM
      • DSD64 1bit/2.822400MHz and 1bit/3.072000MHz
  • 1 S/PDIF coaxial (RCA1) digital output
    • Supported formats: PCM 24bits/48kHz/96kHz/192kHz
    • Multi-room use and monitoring loop
  • Pre-amplified analogue output
    • Fixed or variable volume
    • Output level up to 4 VRMS
    • Stereo/mono/left/right mixing
    • Active filtering available
    • WM8740 D/A convertor operating at 24 bits/192 kHz
    • Compatible with subwoofer, headphone amplifier, monitoring loop
    • May be activated / deactivated via remote control
• RCA 3 & RCA 4 connectors (selected via the configurator) :
  • Line-in stereo analogue input
    • 24-bit/96 kHz or 24-bit/192 kHz sampling
    • T.I. PCM4202 A/D convertor
    • Accepts voltages up to +/- 10V
    • Maximum recommended level: 4 VRMS
  • Analog input stereo phono level
    • 16-bit/44.1 kHz PCM to 24-bit/192 kHz PCM
    • T.I. PCM4202 A/D convertor
    • Accepts voltages up to +/- 100mV
    • Maximum recommended level: 15mVRMS
    • Advanced conversion stage
• 1 or 2 coaxial S/PDIF digital inputs
  • Supported formats:
    • 16-bit/44.1 kHz PCM to 24-bit/192 kHz PCM
    • DSD64 1bit/2.822400MHz and 1bit/3.072000MHz
• Mini-jack 3.5mm : 3.5mm mini-jack trigger connector
• Speaker output :
  • 4mm banana plugs, stripped cables or fork connectors
  • Adjustable from 30 WRMS to 440 WRMS via the configurator
  • Compatible with all speakers, from 1Ω to 16Ω
  • Short-circuit protection
  • Active filtering available
  • Output impedance: 0.001Ω

PHONO STAGE

• Type of supported cartridges: MM/MC
• MM sensitivity from 1mVRMS to 15mVRMS
• MC sensitivity from 100 μVRMS to 5000 μVRMS
• 256 combinations for the resistive/capacitive loading of the cartridge
• Stereo/mono/left/right mixing
• 13 equalisation curves available
• Specific menu for dynamic adjustment of all these settings

PREAMPLIFIER & MAIN DAC

• Patented Magic Wire Digital / Analogue Converter, D/A T.I. PCM1792
• Unique high-precision MasterClock with very low jitter: 2ps RMS
• Conversion of all inputs into 24-bit/192 kHz
• Built-in DSD / PCM conversion
• SAM profile via configurator allowing the precise adaptation of the sound signal to the specifications of your speakers
• Available active filtering on all analogue outputs via configurator
• Volume control in increments of 0.5 dB
• Volume adjustment range: -97.5 dB to +30.0 dB
• Bypass/pass-thru mode available input by input
• Balance adjustment
• Tone control: bass +/-18 dB, treble +/-18 dB with variable frequency cut-off via configurator

OMNIDIRECTIONAL RADIO REMOTE CONTROL

• Chassis carved out of a single aluminium block
• Dark chrome finish
• Hand polishing, unique piece
• Dimensions: 114mm x 114mm x 43mm  (l, w, h)
• Weight: 568g (without batteries)
• Requires 2 AAA batteries (1.5V LR03), provided – service life of a set of batteries: 5 years
• No pairing required
• Ultra responsive, latency < 3ms

ELECTRICAL 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)
• High resiliency to hazards potentially encountered on distribution networks : brownouts, quick transients, overloads
• PLC Compatible

CONTENT OF THE BOX

• 2 Devialet Expert 440 Pro
  • 1 Master unit
  • 1 Companion unit
• 2 Power cable
• 1 User Manual
• 1 Warranty booklets (5 years)
• 1 Companion booklet
• 1 Master booklet
• 2 Microfibre cloth
• 2 Pairs of gloves
• 2 SD cards
• 1 Remote Expert (3 AAA batteries LR03 1,5V provided)