I find this has more projection than BD4 but probably will need some thinner mouthpiece patch than Yamaha 0.5mm I use. I suggest trying It with number 3 Vandorens. Most likely will work with V12 number 3. Try this and BD4. Subjectively, maybe the greatest mouthpieces ever.. Don't try BD5, doesn't worth in my opinion, except you are a student and learn blowing, then definitely BD5 for some years.. BD4 & BD7 for professionals and experienced students, Highly recommended!!!!!