Spigoacustic and Spigotec A+ wood acoustic panels

All panel models in the Spigoacustic and Spigotec catalogues are A+ wood acoustic panels. What does this label mean?

Acoustic Panel - 10 pc sound absorbing panels, Style: BUTTERFLY IN SUEDE - Covers 25 Sq. Feet.

Acousti-Panels (AP) - G&S Acoustics

Acoustic Panel - 10 pc sound absorbing panels, Style: BUTTERFLY IN SUEDE - Covers 25 Sq. Feet.

wood acoustic panels

Acoustic Wood Panel PD8

Sunwings 94.5'' x 23.6'' Wood Slat Acoustic Wall Panels & Reviews

Acousti-Panels (AP) - G&S Acoustics

Ecoustic® Timber Blade Panels Sound Absorbing Ceiling & Wall Panel

Spigo Group on LinkedIn: Spigoacustic and Spigotec A+ wood acoustic panels

Acoustic Wood Panel PH8

Spigo Group en LinkedIn: Spigogroup's Spigoline brand A+ wood slat cladding