Experience exceptional sound clarity and tone with Cleartone Phosphor Bronze Acoustic Strings.Expertly crafted for longevity, they provide a warm, rich tone that resonates, perfect for professional musicians and beginners alike.Elevate your acoustic performance with the long-lasting brightness and balanced sound of Cleartone Acoustic Phosphor Bronze Acoustic Strings.Cleartone Treated Acoustic Phosphor BronzeAll Cleartone Acoustic Phosphor Bronze strings are made in the USA at our Bountiful Utah factory using only the finest US-sourced phosphor bronze around a high-carbon hex core.We wind our strings under super high tension using proprietary winding methods and core-to-wrap ratios creating a denser, better sounding string with enhanced tuning stability.Lastly, we add our multi-patented award winning treatment which is scientifically proven to increase your guitar’s volume and sustain by up to 36% & 48% respectively.