Zerodis Audio Amplifier Stereo Audio Preamp Headphone Amplifier Subwoofer Amplifier No Power Supply Required Interference Immunity Portable

【Compact and Portable】Easy to carry This mini stereo audio preamplifier features a compact size, making it easy to carry and use. The size is 88mm x 38mm x 38.5mm, making it compact enough to fit in the palm of your hand. This makes it convenient for listening to music on the go or using while on the move. 【Wide Compatibility】Compatible with all audio devices This mini stereo audio preamp has wide compatibility with various devices such as DVD, CD, set-top box, MP3, TV, mobile phone, computer, tablet, turntable, sound card, guitar, bass, electronic musical instrument, game console, etc. Enjoy a variety of music and audio sources with seamless connectivity to any device. 【3.5mm Jack Output】Flexible Connection Options The input and output of this mini stereo audio preamplifier are 3.5mm jack, providing stereo output. It is typically connected between an audio source and a preamplifier, or between a preamplifier and an amplifier, and is used to control a string of audio loops. 3.5mm jack is a common connection standard and is compatible with most devices. [High-quality sound circuit] Provides even sound quality. This mini stereo audio preamplifier eliminates the problem of dull treble and small and weak bass even when playing music at low volume. Considering the characteristics of human hearing, it adopts an equal tone circuit, which amplifies high and low frequencies even at low volumes, making the sound range wider and better. This allows you to enjoy music without sacrificing the original sound quality. [Lossless Signal and Interference Immunity] High quality audio transmission This mini stereo audio preamplifier is a stereo switch box to achieve lossless signal transmission. Equipped with a sturdy aluminum alloy shell, it has high interference resistance and protects the signal quality. Provides clear and clean sound with less noise and interference when playing music or audio.