surfgeorge
Member of the Trade: 3D Printed Accessory Designer
I have the M9 and listened to the Z1R several times last year.What is the bass like on the M9? I like to feel that sub bass on EDM. Can't quite stretch to a IER-Z1R just yet.
The M9 is my only BA IEM and it can't touch any of the DD IEMs I own or have tested in terms of bass rumble and energy.
It's really precise and has good extension on both sides, but it does not have the enveloping and pulsing energy of a good DD IMO.
Even the Sony EX1000 has significantly more bass rumble and power, despite having a much flatter frequency response.
And the Z1R was really impressive, had a rumble like the "DOLBY THX" sounds they used to play before the movie at the cinema.
I originally thought that the Z1R might be a bit too much "muscle car" for me, and I sometimes did feel the lack of body and weight in the mids, but the experience with the M9 makes me want the Z1R...
EDIT:
I want to add that after listening to my IEMs for 2 months the M9 has moved to the top of the list. I don't think it was a break in of the IEM, but rather my brain getting used to the detail and presentation, but I really enjoy that detail, the separation and layering now and am very happy with the M9.
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