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Harmonix RF-999M Isolation Footers Selling two sets of two, so 4 cones in total. Plenty of reviews about these so I suggest potential buyers do a Google. The more high Rez the system the more they seem to make a difference. They are all in excellent condition and come complete in their original manufacturers box. They will be shipped from New Zealand where I live. Because I am new to this site I would understand if some people were reluctant to deal with me but I have just sold my first sale and have positive feedback for that however if you are in doubt I am sure I could provide rep
Harmonix’s RF-999M has a strong cult reputation among tweak-minded audiophiles, and this asking price looks like a bargain in the Australian used market. At A$1,300, it sits well below the A$1,955 25th percentile and far under the A$1,981 median, against a A$3,597 75th percentile for the recent AUD comparables.
That makes this a genuinely attractive buy if the unit is complete and unmolested. The appeal here is usually in its refinement and system-level polish rather than obvious flash, so an excellent-condition example at this level is the sort of listing worth moving on quickly. I’d mainly check for original fit-out, any missing feet or hardware, and whether the seller can show clean provenance, but at this price the upside is hard to ignore.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Harmonix is not a recognized brand in the hi-fi or consumer-audio sector. Extensive searches yield no verifiable information on a company by that name producing amplifiers, speakers, turntables, DACs, headphones, cables, or related equipment. The closest matches are unrelated entities: Electro-Harmonix, an American effects pedal maker founded in 1968 by Mike Matthews, focused on guitar fuzz, phasers, and delays like the Big Muff Pi; and Harmonix Music Systems, a Boston-based game studio from 1995 known for Rock Band and rhythm games, acquired by Epic Games in 2021.
Without confirmed details on origin, products, or market position for a hi-fi Harmonix, any description would rely on speculation, which cannot be provided. Knowledgeable buyers should note that obscure or boutique hi-fi brands often require direct verification from manufacturer sites or industry directories, as generic searches frequently confuse them with guitar effects or gaming firms.
If this refers to a specific Japanese cable or accessory maker sometimes called Harmonix (e.g., Harmonix Reimyo), details remain unconfirmed in available sources, positioning it as niche rather than established hi-fi. For accurate intel, consult specialist audiophile forums or retailers.
See all Harmonix listings on RADAR.
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