Looking for your next instrument or want to sell the one you no longer use? Mercasonic connects musicians from all over Spain, bringing together ads from the country's most established communities—Hispasonic, Guitarristas, and Batacas—right on your phone.

When you post, your ad goes directly to the people who are actually interested: Selling a synthesizer? It goes to Hispasonic. A guitar? To Guitarristas. A drum set? To Batacas. Buy, sell, and connect with musicians like you!

- Access thousands of classified ads with secondhand opportunities and offers for services, lessons, and musicians and bands.

- Search and filter ads freely by multiple categories, region, province, price range, features, and more.

- Buy with peace of mind using Beseif's buyer protection: your money isn't sent to the seller until you receive the product and verify that everything is as expected (in ads where this feature is enabled).

- Post your own ads for free and manage them in detail from the app.

- Save your favorite listings and we'll notify you when they change price, receive new images, or are nearing their expiration date.

- Save your favorite searches and we'll notify you when new results are available.

- Follow other users and we'll notify you when they post new listings.

- Communicate with other sellers and buyers through the in-app messaging system; we'll notify you when you receive their replies.

- Set up your unified Hispasonic, Guitarristas, and Mercasonic account and customize the app's behavior: various notification types, dark mode, list or grid view, haptic feedback, and more.