I can tell you from experience that the Elys 2 has extended highs, but many vocals will sound sibilant. It does not do very well with the high-end frequencies.
The Ortofon 2m Blue is a "best buy" cart. It performs well overall and has a good high-end response without being too bright.
The Ortofon 2m Blue is a "best buy" cart. It performs well overall and has a good high-end response without being too bright.