Key benefits Clear, immersive stereo: 1.2.0 Channel Stereo Output delivers distinct left/right channels for improved spatial imaging and a fuller listening experience. Accurate, detailed sound across audible range: 20–20KHz frequency response reproduces lows, mids, and highs with clarity so music and effects remain true to the original source. Lownoise amplification: NE5532 preamplifier board provides reliable, quality amplification for cleaner signals and better dynamics. Flexible, reliable power: Dual AC1218V power input accepts a broad voltage range for stable operation and easier integration with existing power supplies. Builtin sound options: Includes Wavetable Sound Module / Sound Effect Board for added sound design and effect capabilities without extra components. Key features and performance 1.2.0 Channel Stereo Output: Dualchannel output configuration designed to deliver balanced left and right audio for stereo playback or processing. 20–20KHz Frequency Response: Fullrange performance suitable for music, speech, and effects with consistent response across the audible band. NE5532 Preamplifier Board: Established dual opamp design used for lownoise preamplification, improving signal strength and reducing hiss. Wavetable Sound Module / Sound Effect Board : Onboard sound module/sound effect board included to expand functionality for sound generation or triggered effects. Dual AC1218V Power Input: Supports 12–18V AC input for stable supply voltage, increasing compatibility with a variety of power adapters and systems. Compatibility and practical details Function: Designed for audio playback, preamplification, and soundeffect integration in stereo systems and audio projects. Power compatibility: Works with AC12–18V power sources; ensure the chosen adapter meets the required polarity and current specifications for safe operation. Integration: Suited for connecting to amplifiers, powered speakers, mixers, or downstream processing gear that accept linelevel stereo inputs. Performance focus: Prioritizes lownoise amplification and a broad frequency response to preserve detail and dynamics in audio signals. Use scenarios Home audio upgrade: Add this board to a compact stereo system or DIY hifi project to improve channel separation and clarity while adding onboard wavetable/effect options. Instrument or smallstage setup: Use as a preamp and effects source for keyboards, electronic drum modules, or other instruments that benefit from a clean NE5532 preamp and stereo output. DIY sound installations and electronics projects: Integrate the wavetable/sound effect board and stereo output into arcade machines, interactive exhibits, or custom audio devices where onboard effects and reliable power flexibility are required. What to check before use Confirm your power adapter provides AC12–18V and adequate current for the unit and any connected devices. Match output to the inputs of your amplifier or powered speakers to avoid level or impedance mismatches. Follow safe handling and mounting practices for PCB modules and preamplifier boards to prevent damage or noise interference. This product combines stereo output, wide frequency response, an NE5532 preamplifier board, included wavetable/sound effect module, and dual AC1218V power input to deliver reliable, detailed audio and convenient integration for audio systems and projects.