Alto, the most advanced network converter

Alto is Soledge’s DAC & preamplifier.

With its perfect audio quality, its endless distribution and its high-end network player, Alto receives, synchronizes and converts music. Alto is connectible to any type of digital audio source!

The prestigious Alto captures everything: Wi-Fi networks, Ethernet and PLC, music libraries stored on tablets, smartphones, PC and online audio content.

It can be controlled from a tablet or a smartphone via the Soledge application.

Connect your amplifier now!


Alto is the essential element to complete your classic Hi-Fi device by accessing your music in the cloud.

Whether your classic Hi-Fi device is a NAS, a computer, a CD player or a music streaming site, Alto enables you to listen music from your cloud.

By connecting through any traditional or new device source, Alto is the perfect marriage of traditional amplifiers all while allowing you to enter the digital age of multi-room audio technology.

Alto is also a digital to analog converter via two digital SPDIF inputs (coaxial and optical). Connect your preamplifier into the variable RCA output and adjust the volume to your liking.

Design : The case is designed with the use of Corian® and steel.

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Technical specifications

Digital to analogue converter:
Bandwidth:  1 Hz-50kHz
Total harmonic distortion:  < 0,001 %
Inter-modulation distortion:  < 0,001 %
Signal to noise ratio:  >100 dB.
Crosstalk:  < 0,001 %
Network : PLC, WiFi, Ethernet
SPDIF: coaxial and optical
Fixed and variable (RCA)
Size and weight:
Width: 36.7 cm
Depth: 24.0 cm
Height: 6.8 cm
Weight: 4.1 kg
Supported Audio formats:
WAV, FLAC, WMA, AAC, Apple Lossless,
Power supply:
230 V AC or 115 V AC