Northern Brass 4-66**** Trumpet Mouthpiece .660 inner diameter
This has the #4 semi flat rim which is similar to the GR e rim but not as wide overall and the medium shallow **** cup.
There is a sufficient amount of what many refer to as "undercut" for chop room. A great choice for those who bottom out on the 13a4a,14a4a, the Shew models and similar shallow lead style mouthpieces.
The GR #1 back bore is used for a focused and versatile sound.
Those who like this model also like the 4-66***.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 3-66*** Trumpet Mouthpiece .660 inner diameter

This unique high efficiency mouthpiece design has the shallow brighter sounding *** cup and the comfortable #3 rim which is similar to the standard GR rim but with less bite.There is a sufficient amount of what many refer to as "undercut" for chop room. Players who bottom out on mouthpieces like the 13a4a,14a4a and the shallow Shew model mouthpieces often like this model.The big and bright trumpet sound generated by this mouthpiece is truly exceptional. A sizzling sound that soars into the double registers yet remains full in the low and middle range. Lightning fast response and articulations with good sound and intonation.
Players who like this model also like the 3-66**** model.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 3-66**** Trumpet Mouthpiece .660 inner diameter

This has the medium shallow **** cup with the #3 rim which is similar to the standard GR rim but has a softer bite.There is a sufficient amount of what many refer to as "undercut" for chop room.. A great choice for those who bottom out on the 13a4a,14a4a, the Shew models and similar mouthpieces. Those who like the 3-66*** often add this model to their arsenal for when a darker broader sound is desired yet still efficient enough to tackle difficult trumpet literature. The GR#1 back bore is used.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 4-66*** Trumpet Mouthpiece .660 inner diameter
This model has the #4 semi flat rim which is similar to the GR e rim but not as wide overall and has the shallow *** cup. The GR #1 Back bore is used for a focused and flexible sound.
There is a sufficient amount of what many refer to as "undercut" for chop room. A great choice for those who bottom out on the 13a4a,14a4a, the Shew models and similar shallow mouthpieces. This is identical to the previous 4-66GP*** model.
Those who like this model also like the 4-66****.
Please see the Northern Brass Mouthpieces Description section for more info on
the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.