Features [Perfect Match]: Suits perfectly for low sensitivity audio sources, the high efficiency allows for more enjoyment. [Good Material]: Adopting premium PCB, not easy to malfunction, has excellent durability for long term use as well. [Easy to Install]: Designed to have a light weight and a compact size, the installation is very convenient to finish. [Better Design]: Using high quality capacitors and high accuracy 5 colour ring metal film resistors for stability. [Pretty Sounds]: Ensuring good amplification effect, this preamp module promises better sound quality for musics. 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