arbiter76
100+ Head-Fier
- Joined
- Jan 20, 2013
- Posts
- 272
- Likes
- 187
I believe the bass boost of NX4 is ~5db out to ~100hz. It's very good. The ESS 9038 is also very good. I use the amp section quite often because it's so good. If you have an ear piece that needs a little help look no further. The bass boost might make most of your buds your favorite.