Detail 01
Reverse-taper rose brass leadpipe
The trumpet uses a reverse-taper leadpipe made from rose brass.

Independent shopping perspective
The XO 1604RS-R is a professional Bb trumpet finished in silver plate, with a handcrafted one-piece rose brass bell and reverse-taper rose brass leadpipe. Its .462-inch bore is paired with a free-blowing, lower-resistance design. Two main tuning slides—elliptical and rounded—are included, while the accessory kit gives the player lightweight valve springs, heavy valve caps, and metallic finger buttons for changing the instrument’s response and feel. A mouthpiece and case are also listed.

Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
The trumpet uses a reverse-taper leadpipe made from rose brass.
Detail 02
Both elliptical and rounded main tuning slides are included.
Detail 03
Lightweight valve springs, heavy valve caps, and metallic finger buttons allow response and feel adjustments.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
The accessory kit includes lightweight valve springs, heavy valve caps, and metallic finger buttons.
It includes elliptical and rounded main tuning slides.
Yes. Both a case and mouthpiece are listed.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.