Altus is a well-known flute manufacturer in Japan. Its flutes have a unique timbre and traditional French style, and are endorsed by renowned flute artists such as William Bennett, Gaspar Hoyos, Emily Beynon and Robert Aitken. Altus flutes are equipped with hand-crafted professional mouthpieces, carefully designed to make the tone more accurate, registers more balanced, Bennett scale, the production process using a unique piece of silver plate rolled "package" method to make the tube body, so that the flute monophonic and accompaniment effect is better. It is also a world leader in innovative alloys, with innovative technology for silver powder metallurgy. To meet the needs of flutists, Altus offers a variety of unique body materials, such as 18K gold-plated and Perkin and very high-purity PS and AL alloys on some models. Altus' most popular flute is the silver flute, which is available in four series for players to choose from, and also produces premium midrange and bass flutes, available in A and B flat models. The representative model is the $8,900 AFT-1307, which has a baritania classical mouthpiece and a V-cut bow, and the blowing breath is very smooth and comfortable, and the tone is loud and penetrating.