Features Enhanced Compatibility: Designed to integrate seamlessly with digital amplifiers for an enriched listening experience Versatile Sound Control: Features easy adjustments for treble, midrange, and bass to customize your audio output High-Performance Design: Utilizes a dual core NE5532 chip for superior efficiency and sound clarity during operation Stable Operation: Functions reliably within a DC 12V-24V range, ensuring consistent tone control tailored to your preferences Compact and User-Friendly: Lightweight with a compact size, includes 2 connecting cables for straightforward installation Features: 1、Good Matching: Able to work with digital amplifier, this preamp module will bring you more listening enjoyment. 2、Practical Use: Enabling simple in o amplification as well as adjustment in high, medium and bass. 3、Dual Channels: Adopting dual core NE5532 chip, the dual channel preamplifier board has high working efficiency. 4、Reliable Work: Works stably under DC 12V-24V, the preamp module allows for better tone control to meet your needs. 5、Easy to Install: Comes with a light weight and a compact size, also has 2pcs connecting cable for installation. Specification: Item Type: Preamp Module Material: PCB Supply Voltage: DC 12V-24V Number of Channels: Dual Channel Package List: 1 x Preamp Module 2 x Connecting Cable Package List 1 x Preamp Module 2 x Connecting Cable