Three come to mind
-Triple.Fi 10
-Custom 3
-ER4S
All three of these offer presentations that have a thicker than average note but also retain good detail and decent separation. Even a "muddy" BA earphone is still pretty darn clean sounding relative to what a muddy dynamic can be.
The Triple.Fi 10 offers the most robust sound. I like to describe it as a club like experience. It is energetic and enveloping with emphasized highs and a dominant bass line driving the experience. It responds great to EQing, and despite the V shaped response out of the box it can really be balanced out and give a more analytical presentation
The Custom 3 is a little more tame and balanced. There is good weight and energy in the note, and dynamic range is good. The sound stage is what's best about this earphone as it is well sized and with good linearity in presentation. The sound is well defined and balanced. The crossover setup is slightly gapped in the midrange and does help separate and emphasize bass and treble a little while sacrificing some forwardness of the mids. EQing up that midrange point or not, it sounds good.
The ER4S has been around for over 15 years. As a single BA setup it is somewhat limited in frequency response, yet for what it does offer the presentation is articulate and detailed. The design favors subtlety and balance. It is an earphone I do suggest running with an amp though. The ER4P is a lower ohm design running a different yet very similar driver that is better suited for non-amp setups. The overall performance is slightly less though. This old reference product is still outstanding among todays offerings, but it doesn't compete on the low end or high end of the frequency spectrum versus the dual or triple driver earphones out there, and it is becoming increasingly hard to recommend in any way.