The 400 series trombones are the perfect blend of professional features at an intermediate price. High quality gold brass bell material and a seamless bell construction make the 400 series trombones an excellent value. Professional features and sound without the cost - with the added flexibility of an added F-attachment.

Inner slide
The chrome-plated nickel-silver drawn inner slide is very durable and has a quick, sensitive response

Outer slide
The one-piece, drawn, nickel-silver outer slide maintains an accurate diameter throughout its length, and this type of construction ensures airtightness, smooth action, and exceptional durability and improved response

Inner slide stockings
Specially designed, one-piece inner slide stockings guarantee airtight slide construction, and offer smoother slide action and better alignment, even in the extended 6th and 7th positions

Refined F-attachment
The traditional Yamaha style semi-open wrap yields airflow throughout the F-attachment

Upgraded bell materials
A gold brass bell provides a rich sound and flexible response usually reserved for professional models

Weight distribution
Players are more comfortable playing the YSL-446G trombone because its superb weight distributions makes it easier to hold

Laser-fused pluzuma welded bell
A high-energy