ZK-ST21 TPA3221 Bluetooth Power Amplifier Board With Subwoofer

Advanced BT Connection: This sound power amplifier module with high performance 5., 1 chip, offers a wide wireless transmission range of up to 15 meters. US$25.10 ZK-HT21 TDA7498E 2.1 Channel bluetooth 5.0 Power Amplifier Module 160Wx2 220W Subwoofer High Fidelity HD Sound AUX USB Input Home Theater Car Audio System (1) US$41.99 S350HS 2.1 Channel Power Amplifier 220W 220W 350W bluetooth 5.1 AUX USB Dual TPA3251 High Subwoofer Audio Sound System ZK ST21 Sound Amplifier Board 2.1 Channel TPA3221 Chip with Comprehensive Protection Mechanisms: The 2., 1 channel amplifier module is equipped with solid protection features, including low voltage, reverse polarity, extreme temperature, over and short circuit protection. Multiple Input Options: The amplifier card is equipped with a variety of input options, including AUX, USB and sound card, allowing you to easily connect your devices. These security mechanisms provide good operation and long-lasting durability while using the amplifier in a variety of environments. This advanced feature makes it easy to remotely control your audio experience allowing you to stream music without compromising sound quality. Digital Audio Amplifier ZK-ST21 TPA3221 Bluetooth Power Amplifier Board With Subwoofer DIY Sound System Amplifier This flexibility allows you to enjoy your favourite music in the way that suits you, whether you are wirelessly transforming from your smartphone or connecting directly with a helpful cable. Carry two TPA3221, support 2.1 channel Bluetooth digital amplifier 100W 100W 200W high power. Adaptable speakers: Left and right channels, support 3-8, up... Packing list: 5 x Button Covers 1 x PCB Board 1 x Adapter 1 x Screwdriver WIDELY COMPATIBILITY: This stereo AMP card is designed to support a wide range of speaker impedances that accommodates left and right channels at 3-8 ohms (up to 100W) and a subwoofer at 2-8 ohms (up to 200W) This versatility makes it suitable for a variety of audio configurations and it performs whether you use compact speakers or larger stand models.