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A$900 looks fair-to-good for a used MEZZO 604 AD, assuming it’s fully working and complete; this is a serious install amp with 600 W total power, 4 channels, and Dante/AES67 on the AD version, so it’s not a bargain-basement piece to begin with. New pricing for this class of Powersoft gear is typically much higher, so A$900 sits in sensible used territory rather than feeling ambitious.
What makes it worth chasing is the combination of compact 1U size, high efficiency, and flexible output for both low-impedance and distributed-line installs, which is exactly why these Mezzo units are so well regarded. If the listing is clean, I’d want to see proof of power-on, all channels functioning, and the Dante/network side tested; at A$900, those checks are enough to separate a very solid buy from an expensive headache.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Powersoft is an Italian pro-audio company founded in 1995 in Florence by Luca Lastrucci, Claudio Lastrucci, and Antonio Peruch. It remains headquartered in the Florence area, in Scandicci, and its identity is closely tied to the engineering culture of Italy’s professional audio sector.
The brand is best known for high-power professional amplifiers, especially compact, energy-efficient Class D designs for installed sound and live sound. Powersoft also develops loudspeaker components and audio software/control platforms for system integration. It is not a consumer hi-fi maker in the usual sense, and it does not have a meaningful reputation for turntables, DACs, headphones, or cables.
In the market, Powersoft sits in the high-end professional / niche engineering category rather than mainstream consumer hi-fi. Its reputation is built on innovation, power density, and reliability, making it a respected name among installers, touring professionals, and commercial audio specifiers. For hi-fi buyers, it is more of a specialist pro-audio technology brand than a traditional domestic audio lifestyle label.
See all Powersoft listings on RADAR.
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