tuneTreble smoothed by aftermarket tipsexpand_more0 mentions
A user reported that Spinfit W1 eartips eliminate a 15kHz peak and fill in the treble between 8kHz and 15kHz. This suggests the stock tuning can be meaningfully improved with tip swaps.
Widely praised
check_circleBetter seal with flexible tipsexpand_more0 mentions
The same commenter noted that Spinfit W1 tips lower the occlusion effect and allow an easy, perfect seal using a reverse insertion method thanks to their flexibility. This points to a comfort and isolation benefit from tip choice.
Widely praised