I've listened to a bunch o' small amps with the Overture DAC and the difference with or without is night and day ... and it does make you sing (and tap our feet). Whether it's an SR-71, Portaphile V2, SM, VHP-1, ANT Amber, Ascent Signature, SuperMiniMoy, PC-MkII .... the Overture gooses up the sound on all of them (colorful expression that ... what do I mean? Is it Christmas yet?
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The Overture (soon-to-be-MicroDac) made every Portable and small home amp I heard with it sound more dynamic, livelier, punchier and in some cases deeper at the bottom end ... and its output level is rather high so all amps were roughly 2-4 points louder.
I think it's especially great for the kind of environments a portable lives in, where various degrees of ambient noise make a livelier, punchier, deeper, more dynamic sound essential for any real enjoyment of the music.
I wouldn't say it's neutral or accurate, but it's great fun and sounds great ... and if you think about the usual lack of quiet listening whilst toting your portables around, it should be "de rigeuer" (...a must have...). Am definitely looking forward to hearing Tyll's new toys at the June 18 NYC Metro Meet!
"Night and Day" ... Fer Sure (sorry Cole...)!