- HIFI digital Bluetooth 5.0 amplifier, DollaTek model ZK-1002L, designed to deliver high-fidelity stereo sound - Maximum power of 2x100W, compatible with speakers from 4 to 8 ohms and power between 50W and 300W - Efficient wireless transmission with a range of up to 15 meters, ideal for home audio systems and DIY projects - Features a large heat sink to maintain optimal temperature during prolonged use - Potentiometer with switch for simple and precise volume adjustment - Copper power connector that supports high current without heating up - High-capacity green gold capacitors for stable power supply and superior sound quality - Integrated protection against overheating and short circuits, ensuring safety and durability - Compatible with power supplies from 5V to 24V, recommending higher voltages for better performance - Standby mode power switch to reduce energy consumption when not in use - Includes a HIFI power amplifier board, easy to install in custom audio systems