2.0 Channel Class D HiFi Stereo Amplifier 50Wx2 — Digital with Adjustable Volume

Zinc alloy shell for a premium, corrosion-resistant antioxidant finish. This Hi‑Fi 2.0 dual-channel Class D amplifier provides 50Wx2 output and delivers clear, spacious audio for an immersive listening experience. The amplifier is built around a high-performance TPA3116D2 class D chip with up to 1.2MHZ modulation frequency to ensure precise signal transmission. Circuit design incorporates two NR5532 dual operational amplifiers for improved audio fidelity, and wireless streaming is handled by a V5.4 BT chip that keeps connections stable up to 15 meters. Inputs are flexible — switch between BT, U disk and AUX as needed. Physical controls include independent volume plus treble, midrange and bass adjustment knobs. An RCA input port enables separation of audio and video transmission. Safety features include Quadruple protection: over-voltage, under-voltage, overheating and DC detection circuit protection.