That’s good. The volume must be muted somewhat by the closely fitted wooden case without venting.
Here are some of the specifications: Material: Mahogany (Cover), Rosewood · Beech (Keyboard · Surface), Phosphor Bronze (reeds), ABS (Resin Part). Dimensions: Body: 502 × 128 × 65 mm. Weight: 1100 g. The Pro-37v2 weighs 1000g.