Additional information
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A comprehensive connectivity and a perfect control of your speakers.
The Expert 440 Pro combines two Expert 220 Pro units and offers up to 16 physical inputs and 440W of power per channel, for a Dual-Mono set-up without any compromise.
Connectivity
wi-fi
2.4GHz 802.11 b/g/n Wi-Fi
Supported formats: 16-bit/44.1 kHz PCM to 24-bit/192 kHz PCM
Ethernet
RJ45 100/1000 Mbps
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
Special characteristics:
Very low latency
Digital coaxial inputs
Supported formats:
16-bit/44.1 kHz PCM to 24-bit/192 kHz PCM
DSD64 1bit/2.822400MHz and 1bit/3.072000MHz
Digital optical inputs
Supported formats:
16-bit/44.1 kHz PCM to 24-bit/192 kHz PCM
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 4x RCA stereo
Sensitivity adjustable via the Configurator
Advanced phono stage (MM / MC)
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
Home automation
Up to 1x RS232 3.5mm 115200 bauds (documentation available via the configurator)
Trigger
3.5mm mini-jack trigger connector
Performances
power
2×440 Watts RMS under 6Ω
Distortion at full power
0.00025% THD+N
Distortion at full power
0,0001% (10W / 6Ω)
Distortion at 10w
0.0001% THD+N
Distortion at 10V
0.00025% THD+N
Signal-to-noise ratio
133dB
Output impedance
0.001Ω
Damping factor
8000
Bandwidth
DC-30kHz @ -0.1dB
DC-95kHz @ -3dB
Phase rotation
0.2° at 20kHz
0.9° at 40kHz
Thermal distortion
Below measurement threshold
Range
Dual-mono
Exclusive technologies
ADHV2®, SAM®, EVO®, DAC Magic Wire®, RAM®
streaming services
Roon Ready | UPnP | Airplay® | Spotify Connect
Daisy chaining
Up to 8 units
Phono stage
Advanced (MM / MC)
Pre-amplified output
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
Casing
Dark chrome | 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
Dimensions & Weights
Dimension
Length: 400mm | Width: 400mm | Height: 40mm
Weight
Master : 5.9Kg ; Companion : 5.4Kg