Low noise floor for cleaner audio across preamplifier and power amplifier chains Purity and clarity: the core chip delivers a purer signal than many similar amplifiers Broad compatibility: designed for a wide range of preamplifier configurations and compatible with many amplifiers Wide input voltage range: DC 12 to 30 V for flexible power options Durable construction: built with electronic components for stability and long service life Model: XHA902 preamplifier board Use scenarios Home hifi and stereo setups: insert the XHA902 between your source and power amp to reduce noise and improve overall signal quality DIY audio projects: ideal for hobbyists building compact preamp/amp chains or custom audio benches Vehicle or portable systems: supports DC power from 12 to 30 V, suitable for car audio applications or offgrid/powersupply driven projects Key attributes Function: preamplifier board that enhances signal quality and provides clean gain Compatibility: broad, works with many preamp and amplifier configurations Input: DC 12–30 V for versatile integration with existing power supplies Build: electronic components chosen for stable performance and extended life Brand/model: XHA902 preamplifier board with emphasis on noise reduction and signal purity