New opened box item with all parts and manuals present in perfect condition ...please see photos for details Sienwiny YS-HM3 Bluetooth digital amplifier provides a compact yet powerful audio solution for home HiFi setups. This 2.0 channel mini wireless stereo power amplifier features a TI TPA3116D2 chip, delivering 50W+50W output power. It supports multiple input methods including Bluetooth 5.4, USB, and AUX, with dedicated knobs for adjusting bass and treble frequencies to customize your sound. The sleek triangular black and red housing includes a built-in speaker protection circuit and comes complete with a DC 12V-24V power adapter, RCA to 3.5mm cables, and an auxiliary cable.