What one product has redefined music for you??

I bring this up only because i bought a new pair of speakers today. They startled me in that they redefined what i understood was the structural organisation and sound that i could expect from hifi.In other words i rediscovered my entire music collection. So much so that I didn't recognise a lot of my favourite musical pieces as they were replayed through these speakers. There were rhythms and interactions that i had never been aware of before and which helped me understand the musicians aims so much more than before. My whole perception of what was capable from hifi was turned upside down, by this one product alone and i have been enjoying hifi for 30 years mostly high end.

My reference speakers were stacked quad 57's and yamaha ns1000 ( highly modified crossover. The speakers that i listened to tonight had a single bamboo originated driver 3" diameter in a box the size of a kids shoe box! They are absolutely gorgeously built. No it aint got no deep bass and cannot drive a moderately sized room, but that's not the point.

The question is not meant to take price into account here but I paid £100 for these posted!!!! The company is Vintage Lab Audio.

Has any one else felt this way by one new product??

Rest of audio system platine verdier/ET parallel tracking arm/audio note cartridge, audio note silver sig power monoblocks.
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Magnepan .6qrs. I'd never heard anything but cone/box speakers before, so when I picked these up on a lark for $300 and stuck them in my system I was astounded that the performers and performance sounded so much more real and present. Although the .6qrs are gone, I haven't looked back from stats/planars (at box speakers) since.
DBX 3BX dynamic range processor.

When a particular recording sounds flat and just ain't happening due to compressed dynamics, a touch of this gadget to your recording during playback is like adding a touch of zesty chili sauce in order to wake up your favorite dish.

It can also help lower the noise floor a bit when things are quiet.