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Archimago's Musings: REVIEW / MEASUREMENTS: Drop + THX AAA 789 Linear Headphone Amplifier. And on Audioholics' THX Onyx DAC/amp "review" with a dash of MQA nonsense...
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Monoprice (Open Box) Monolith Desktop Headphone Amplifier and DAC with THX AAA Technology (Dual AKM 4493 DACs & Dual AAA-788 Modules) - Walmart.com
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Product Launch: SMSL SH-9 THX AAA-888 Balanced Headphone Amp & Gustard X-16 Balanced DAC | The Headphone List
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Monolith by Monoprice Desktop Balanced Headphone Amplifier and DAC with THX AAA Technology (Dual AKM 4493 DACs & Dual AAA-788 Modules) - Monoprice.com
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