Niniang Piezo micro integrated preamp system for acoustic guitar

Meet the needs of acoustic guitars - Designed to meet the needs of acoustic guitars. The on-board preamp system features a preamp mounts on a sound with rotary controls for volume and tone. Installation and seamless - Pickup is supplied as standard for installation and without welding. Suitable for all steel and nylon string guitars. 100 hours of continuous use - You can expect about 100 hours of continuous use between battery changes. Produce a perfect bass - Can make 12" or 14" small size guitar produce a perfect bass. Great gift for music lovers, perfect for students, advanced players, music lovers, children's gifts.