The 7 Cordas Profissional by Rozini.

The Rozini 7 Cordas Profissional is often favored by professional musicians in the Brazilian music scene due to its high-quality craftsmanship, rich tonal characteristics, and ability to handle a wide variety of musical genres.
It's especially well-suited for the genres where a wider range of harmonics and deeper bass notes are necessary.

Specs:

• Top: Solid spruce or cedar, providing excellent resonance and tonal clarity.
• Back and Sides: Laminated rosewood or mahogany, offering rich tonal depth and durability.
• Shape: Traditional classical guitar body shape, providing comfortable playability for extended performances.
• Wood: Mahogany or maple, providing strength and stability.
• Fretboard: Typically rosewood or ebony, giving a smooth and fast playing surface.
• Scale Length: Around 650 mm (25.6 inches), similar to classical guitars, making it easy to play both fingerstyle and with a pick.
• 7 strings: A standard configuration with the 7th string being the low B string, offering more bass range.
• Tuning: Typically tuned in standard tuning (EADGBE) with the 7th string tuned to B or C (low).
• Machine Heads: Chrome-plated or gold-plated tuners for smooth tuning adjustments and tuning stability.
• Bridge: Rosewood or ebony bridge for solid string attachment and good tonal transfer.
• Nut: Bone or synthetic material, ensuring proper string spacing and better resonance.
• High-gloss lacquer or satin finish for a sleek, durable surface that enhances the wood's natural beauty.
• Sunburst or natural wood finish options, depending on the model.
• Known for delivering a warm, balanced sound with clear bass notes due to the additional low string.
• Excellent for genres requiring a richer tonal range, such as samba, choro, bossa nova, and jazz.
• Well-suited for both fingerstyle and pick playing techniques, with the 7th string offering more harmonic possibilities.
• Nut Width: Around 52mm (2.05 inches), providing comfortable spacing for fingerstyle playing on the wider neck.
• Some models come with built-in pickups (usually piezo pickups) for amplified performances.