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This is a tidy buy if the amp checks out: at US$150, it lands well below the US$185 25th percentile and looks like a strong deal against the US$220 median. For a mono block, that’s the kind of pricing that usually leaves enough room for any needed cleaning or bench time and still keeps it attractive.
What makes it worth a look is straightforward power-per-dollar: these amps are bought to move a sub with authority, and a clean example can be a very practical pickup for a serious bass system. Since the listing doesn’t mention condition, I’d just confirm it powers up cleanly, doesn’t trip protection, and includes any needed wiring or remote bass control if that matters to your setup.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
2400 Audio is a Danish manufacturer founded in 2019 by audio engineer Holger Lagerfeldt, known for his innovative approach to studio monitoring. The brand emerged from a desire to revolutionize the traditional monitor controller, focusing exclusively on passive, fully balanced designs that eliminate noise and preserve signal integrity from input to output.
The company’s product focus is narrow and specialized: they produce only two handmade monitor controllers—the 1U and 2U versions of the Imperium series. These units are engineered for mastering and high-end studio environments, offering passive attenuation, stereo tracking, and switch-based control instead of potentiometers. They do not manufacture amplifiers, speakers, DACs, headphones, or cables.
In the market, 2400 Audio holds a niche boutique position, catering to discerning studio owners and mastering engineers who prioritize signal purity and minimalist design. Their reputation is built on craftsmanship and technical innovation rather than mass appeal, with prices starting around €885–€980. While not a high-end legacy brand, they are respected among professionals seeking a refined, passive alternative to conventional active monitor controllers.
See all 2400 Audio listings on RADAR.
