160WX2220W 50WX2100W ZKHT21ZKTB21 2.1 Bluetooth Dial Power Amplifier Module DC1536V TPA3116D2 TDA7498E

Features:1: Power amplifier chip: TDA7498E2: Protection mechanism: anti-re connection, undervoltage, overheating, overcurrent, short circuit protection3: Widely used4: Long-life ul-quiet fan (locked rotor does not , no noise)5: Simple to use and easy to understand:Product name: 2.1 Bluetooth audio power amplifier moduleProduct model: ZK-HT21for Bluetooth version: 5.0 (bstructed, 15 meters)Input method: AUX + for Bluetooth + USB (the dial on to switch modes and songs)Number of s: 2.1 s (left + right + subwoofer)Amplifier chip: TDA7498EAdapter power supply: DC15~36 V (under voltage protection below 9V, 12V power supply can also be supported)Adapted speakers: 30-200W, 4-8ΩOutput power: left and right s ≤160w, Subwoofer≤220wProtection mechanism: anti-re connection, undervoltage, overheating, overcurrent, short circuit protectionProduct size: 145*126*28mmProduct weight: net weight 327g, including pack 395gTip: When the audio signal input is large enough and the power supply voltage/current is large enough, there will be enough output Power!The higher the power supply voltage, the greater the output power, and the smaller the speaker impedance, the greater the output power! Please e sure that the power of the adaptor is greater than the actual working power of the amplifier!Package Included:1* Power amplifier board kit