Features Good Sound Effect: This preamplifier module can ensure good amplification effect and provide better sound quality for music, so you can have a better experience. Professional Process: This stereo audio preamplifier uses a professional process with high quality capacitors and high precision 5-color toroidal metal film resistors for good stability. High Quality Circuit Board: This preamplifier module uses high quality printed circuit board, which is not easy to fail and has good durability for long term use. Easy To Install: This microphone preamplifier module is designed with light weight and small size, so the installation is very convenient and can be done easily. Easy to Install: Designed to have a light weight and a compact size, the installation is very convenient to finish. Specification: Item Type: Preamp Module Material: PCB Application: Suitable for some low sensitivity audio sources.  Package List: 1 x Preamp Module 2 x Audio Cable Package List 1 x Preamp Module 2 x Audio Cable