

Yamaha YTR-8345IIGS Bb Trumpet Overview
The Yamaha YTR-8345IIGS Xeno is a professional large-bore Bb trumpet built to deliver high projection with controlled resistance and a flexible response. Part of Yamaha’s Xeno Series, it reflects a design approach shaped by advanced manufacturing and ongoing input from working artists, with the goal of consistent playability across dynamic ranges and a wide palette of tonal colors.
Yamaha YTR-8345IIGS Bb Trumpet Specifications
- Key: Bb
- Bore: .459 in (large bore)
- Bell: One-piece 4 7/8 in gold-brass bell
- Finish: Silver plate
- Pistons: Monel alloy
- Main tuning slide: Brace
- Case: Yamaha TRC-800E case
- Accessories: Yamaha 16C4 mouthpiece
Condition & Setup
This instrument is brand new and includes the full manufacturer’s warranty. As an authorized Yamaha dealer, we inspect each new trumpet and verify function and playability prior to shipment.
Who the YTR-8345IIGS Bb Trumpet Is For
The Yamaha YTR-8345IIGS is a professional large-bore Bb trumpet designed for players who need projection, stability, and refined control in demanding ensemble and solo settings. It is well-suited to orchestral, wind ensemble, commercial, and studio work where clean articulation, secure slotting, and a broad dynamic range are required.
Within the Xeno family, this model is built to balance power and projection with a resistance profile that supports efficient response and tonal flexibility. The one-piece gold-brass bell and silver-plated finish support a clear, focused core with enough headroom for strong dynamic playing, while Monel pistons are chosen for consistent, durable valve action.
Common Questions About The Yamaha YTR-8345IIGS
Is the Yamaha YTR-8345IIGS suitable for professional use?
Yes. The YTR-8345IIGS is a Yamaha Xeno Series professional Bb trumpet with a .459 in large bore, one-piece gold-brass bell, and Monel pistons—specifications commonly chosen by full-time performers and advanced conservatory players.
What does .459 large bore mean on this trumpet?
A .459" bore is considered large bore for a Bb trumpet. It typically supports higher airflow and stronger projection, which many players prefer for orchestral and wind ensemble work, while requiring a steady, efficient airstream from the player.
What comes included with the YTR-8345IIGS?
It includes a Yamaha TRC-800E case and a Yamaha 16C4 mouthpiece, and it is covered by the full manufacturer’s warranty.
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We are proud to be an authorized Yamaha dealer
In stock! Ships within 1-2 business days.
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99
Yamaha Model YTR-8345IIGS 'Xeno' Professional Large Bore Bb Trumpet
Yamaha YTR-8345IIGS Bb Trumpet Overview
The Yamaha YTR-8345IIGS Xeno is a professional large-bore Bb trumpet built to deliver high projection with controlled resistance and a flexible response. Part of Yamaha’s Xeno Series, it reflects a design approach shaped by advanced manufacturing and ongoing input from working artists, with the goal of consistent playability across dynamic ranges and a wide palette of tonal colors.
Yamaha YTR-8345IIGS Bb Trumpet Specifications
- Key: Bb
- Bore: .459 in (large bore)
- Bell: One-piece 4 7/8 in gold-brass bell
- Finish: Silver plate
- Pistons: Monel alloy
- Main tuning slide: Brace
- Case: Yamaha TRC-800E case
- Accessories: Yamaha 16C4 mouthpiece
Condition & Setup
This instrument is brand new and includes the full manufacturer’s warranty. As an authorized Yamaha dealer, we inspect each new trumpet and verify function and playability prior to shipment.
Who the YTR-8345IIGS Bb Trumpet Is For
The Yamaha YTR-8345IIGS is a professional large-bore Bb trumpet designed for players who need projection, stability, and refined control in demanding ensemble and solo settings. It is well-suited to orchestral, wind ensemble, commercial, and studio work where clean articulation, secure slotting, and a broad dynamic range are required.
Within the Xeno family, this model is built to balance power and projection with a resistance profile that supports efficient response and tonal flexibility. The one-piece gold-brass bell and silver-plated finish support a clear, focused core with enough headroom for strong dynamic playing, while Monel pistons are chosen for consistent, durable valve action.
Common Questions About The Yamaha YTR-8345IIGS
Is the Yamaha YTR-8345IIGS suitable for professional use?
Yes. The YTR-8345IIGS is a Yamaha Xeno Series professional Bb trumpet with a .459 in large bore, one-piece gold-brass bell, and Monel pistons—specifications commonly chosen by full-time performers and advanced conservatory players.
What does .459 large bore mean on this trumpet?
A .459" bore is considered large bore for a Bb trumpet. It typically supports higher airflow and stronger projection, which many players prefer for orchestral and wind ensemble work, while requiring a steady, efficient airstream from the player.
What comes included with the YTR-8345IIGS?
It includes a Yamaha TRC-800E case and a Yamaha 16C4 mouthpiece, and it is covered by the full manufacturer’s warranty.
![]()
We are proud to be an authorized Yamaha dealer
Pairs well with
In stock! Ships within 1-2 business days.
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99

Yamaha Model YTR-8345IIGS 'Xeno' Professional Large Bore Bb Trumpet
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Orders valued over $99 ship via FedEx 2-Day within the U.S. and via DHL internationally. A physical address (no P.O. Boxes) and signature are required. Smaller accessories ship via USPS (2–5 day service) and do not require a signature if valued under $99. Please see our FAQ for additional details.
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Return Policy
We offer an unconditional 30-day return policy to ensure you’re completely satisfied. If you’re unhappy for any reason, return the item for a full refund or full exchange credit (reeds and other consumables are non-returnable once opened). Every instrument we sell is guaranteed to be free of mechanical defects—if an issue arises, contact us and we’ll either reimburse a local repair or provide a prepaid return label for repair, exchange, or refund. If you simply change your mind, you may still return the item for a full refund, but return shipping costs are the customer’s responsibility unless free returns were purchased through Redo at checkout. Please see our FAQ for additional details.
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Shop Warranty:
Brand new items are covered by the full manufacturer’s warranty unless otherwise noted (see the individual maker for details). Open box, used, and vintage items include a two-year warranty serviced by our in-house repair shop, and we guarantee every instrument will be free of mechanical defects. Warranty coverage does not include damage from accident, misuse, negligence, improper operation, unauthorized alterations or removed serial numbers, normal wear and routine maintenance, environmental damage (including perspiration, corrosion, or extreme temperature and humidity), lacquer or plating wear, or consumable parts such as springs, pads, and felts. Please see our FAQ for additional details.
