Yamaha

HR-34C4

One Piece
Official source link providedPrice basis: RetailerLast checked: Jan 29, 2026

U cup for powerful performance with generous volume.

Specifications

Cup Diameter
17.88mm
16.88mm18.08mm
vs. All Models
69% · Large
Cup Depth
Medium
Cup Shape
U
Bore Size
3.98mm
3.90mm4.50mm
vs. All Models
8% · Small
Rim Shape
Medium
Recommended For
All Around
View on official site

Other Brand Similar Specs

Spec proximity does not guarantee actual feel or tone. Trying before purchase is recommended.
Breslmair 1G3-SMedium Similarity
Cup Diameter: +0.02mmBore: +0.32mmCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 2G3-SMedium Similarity
Cup Diameter: +0.02mmBore: +0.32mmCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 3G3-SMedium Similarity
Cup Diameter: +0.02mmBore: +0.32mmCup shape data unavailable
Specs used: 4 / missing: 1
Giddings & Webster FH-4.25Low Similarity
Cup Diameter: +0.03mmBore: +0.41mmCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
Giddings & Webster FH-4.5Low Similarity
Cup Diameter: +0.03mmBore: +0.72mmCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 1G4-SLow Similarity
Cup Diameter: +0.02mmBore: +0.32mmCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 2G4-SLow Similarity
Cup Diameter: +0.02mmBore: +0.32mmCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 3G4-SLow Similarity
Cup Diameter: +0.02mmBore: +0.32mmCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1

Other Models by Yamaha

HR-29B17.07mm · Deep · 3.90mmHR-30B17.27mm · Deep · 3.90mmHR-31B17.47mm · Deep · 3.90mmHR-32B17.67mm · Deep · 3.90mmHR-34B18.07mm · Deep · 3.90mm

Where to Find

View on Official Siteusa.yamaha.com
Search on GoogleGoogle Search

This site does not sell mouthpieces. Links are provided for reference only. Please verify prices and availability directly with retailers.