JK (Josef Klier)

4DM

One PieceM-Series
Official source link providedPrice basis: RetailerLast checked: Jan 29, 2026

Specifications

Cup Diameter
16.50mm
16.50mm18.50mm
vs. All Models
9% · Small
Cup Depth
Medium
Cup Shape
bowl
Bore Size
4.20mm
3.80mm4.80mm
vs. All Models
24% · Small
Rim Shape
Flat
Recommended For
High HornChamberBright Tone
View on official site

Other Brand Similar Specs

Spec proximity does not guarantee actual feel or tone. Trying before purchase is recommended.
Bach 12Medium Similarity
Cup Diameter: SameBore: +0.30mmCup shape data unavailable
Specs used: 4 / missing: 1
Osmun CH (Chicago)Medium Similarity
Cup Diameter: +0.01mmBore: +0.42mmCup shape data unavailable
Specs used: 4 / missing: 1
Osmun One-Piece ChicagoMedium Similarity
Cup Diameter: +0.01mmBore: +0.42mmCup shape data unavailable
Specs used: 4 / missing: 1
Osmun One-Piece LondonMedium Similarity
Cup Diameter: +0.01mmBore: +0.42mmCup shape data unavailable
Specs used: 4 / missing: 1
Conn 5Medium Similarity
Cup Diameter: +0.01mmBore: +0.45mmCup shape data unavailable
Specs used: 4 / missing: 1
Osmun L (London)Low Similarity
Cup Diameter: +0.01mmBore: +0.42mmCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
Osmun B (Bloom)Low Similarity
Cup Diameter: +0.01mmBore: +0.60mmCup Depth: medium → medium shallowCup shape data unavailable
Specs used: 4 / missing: 1
Alexander 4Low Similarity
Cup Diameter: SameBore: -0.50mmCup Depth: medium → shallowCup shape data unavailable
Specs used: 4 / missing: 1
Osmun H (Haydn)Low Similarity
Cup Diameter: +0.01mmBore: +0.30mmCup Depth: medium → shallowCup shape data unavailable
Specs used: 4 / missing: 1
Osmun CHD (Chicago Deep)Low Similarity
Cup Diameter: +0.01mmBore: +0.42mmCup Depth: medium → deepCup shape data unavailable
Specs used: 4 / missing: 1

Other Models by JK (Josef Klier)

01AKK-Series18.50mm · Very Deep · 4.80mm01BKK-Series18.50mm · Deep · 4.60mm01CKK-Series18.50mm · Medium Deep · 4.40mm01DKK-Series18.50mm · Medium · 4.20mm01EKK-Series18.50mm · Medium Shallow · 4.00mm

Where to Find

View on Official Sitejk-klier.de
Search on GoogleGoogle Search

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