Features Pretty Sounds: Ensuring good amplification effect, this preamp module promises better sound quality for musics. Better Design: Using high quality capacitors and high accuracy 5 colour ring metal film resistors for stability. 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. Perfect Match: Suits perfectly for low sensitivity audio sources, the high efficiency allows for more enjoyment. 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