Mini Stereo Bluetooth Audio Power Amplifie USB SD FM 30W

PEAK POWER OUTPUT: Delivers 30 Watts peak power with a wide frequency response range of 20Hz to 20KHz (±2dB) for clear, full-range audio reproduction. LOW HARMONIC DISTORTION: Total harmonic distortion of ≤0.19% (1KHz/1W/8Ω) combined with a signal-to-noise ratio of ≥80dB ensures clean, high-fidelity sound performance. DUAL POWER CONFIGURATION: Supports both AC 230V mains input and an alternative DC 12V terminal connection, making it suitable for home use or 12V battery backup setups. VERSATILE SPEAKER MATCHING: Compatible with a wide load impedance range of 4 to 16 Ohms, allowing connection to most passive bookshelf, desktop, or home theatre speakers. MULTIPLE INPUT OPTIONS: Features AUX audio input, USB port, SD/MMC card slot, and built-in FM radio with signal receiving antenna, plus independent bass, treble, and volume controls.