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Drop + THX AAA 789 Headphone Amplifier Drop + THX AAA 789 Headphone Amplifier.   In excellent used condition. Bought a few years ago from Drop. Little use due to using integrated DAC/Headphone Amp. Now discontinued. The most linear headphone amplifier when in production. May still be. Glowing reviews on Audiosciencereview. Will drive the most difficult headphones.   I no longer have the original packaging but will package accordingly if shipping is required. Shipping at cost. Condition: Excellent Used condition Payment Method: EFT, Cash on Pickup, PayPal +3%fee Region/State: (NSW) New South Wa

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About Drop

Drop originated as Massdrop in San Francisco in 2012, pioneering a community-driven model that aggregated enthusiast demand to source and develop exclusive products directly from manufacturers. By bypassing traditional retail chains, it built a loyal following of over 7 million members through limited-time "drops" of unique gear, earning acclaim for delivering hard-to-find items at competitive prices. The brand rebranded to Drop in 2019, expanding into its own designs like the Drop SHIFT mechanical keyboard and wireless headphones, often in collaboration with names such as Sennheiser for audiophile-grade audio.

In the hi-fi realm, Drop specialized in headphones, DACs, amplifiers, and cables, alongside mechanical keyboards and gaming peripherals, with audio as a flagship category. Its approach emphasized user feedback to refine products, yielding sought-after collabs like the Massdrop x Sennheiser line, blending accessibility with performance for enthusiasts.

Drop held a niche position as a disruptor in the mid-tier market, appealing to savvy buyers seeking value-driven, community-vetted hi-fi without high-end premiums. Acquired by Corsair in 2023, it shifted toward gaming hardware before shuttering its core operations in March 2025, marking the end of an era for direct-to-consumer audio innovation.

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