Usage Tips:1. The 301 is a full-featured, high-performance instrument preamplifier. It combines a microphone, dual analog preamps, equalizer, tuner, and piezo pickups to provide a comprehensive sound solution for guitarists and bassists. Whether it's a stage performance or a studio recording, it can meet your stringent requirements for sound quality. 2. The 301 uses dual analog technology, which is able to simulate a variety of modern sound styles. You can easily switch and adjust the sound to suit different performance scenarios and musical styles, from warm acoustic to penetrating electro-acoustic effects. This flexibility makes your instrument more expressive and diverse. 3. The 301 is equipped with piezo pickups and microphone mixing technology to capture every detail of the instrument. The piezo pickup provides a clear and bright tone, while the microphone adds warmth and depth, making the tone more natural and full. You can adjust the ratio of the microphone and pickup as needed to find the tone balance that suits you best. 4. The built-in multi-band equalizer allows you to precisely adjust the frequency of the microphone, from low frequencies to high frequencies, making it easy to shape the ideal tone. Meanwhile, the built-in treble tuner ensures you stay in tune throughout your performance. The tuner's clear display makes the tuning process easier and more efficient. The 5. 301 is designed with a rugged case to withstand the challenges of daily use. The simple and intuitive interface allows you to quickly get started and adjust parameters. Whether you are performing live or practicing daily, this device can provide you with consistent and reliable performance.