Powerful ZKMT21 Audio Amplifier, 12-24V Digital Stereo BT Amplifier Board for 15-100W 4-8Ω Speakers

Discover our audio power amplifier board, a complete and high-performance solution to enhance your sound system. This board supports dual input sources: a Bluetooth 5.0 connection for convenient wireless streaming and an AUX input for your wired devices. It offers 2.1 channel audio output, including a dedicated channel for a subwoofer as well as left and right channels for an immersive stereo experience. Its installation and use are incredibly simple, guaranteeing stable, fast connections and broad compatibility with your equipment. You have complete control over the sound thanks to manual adjustments of frequency, volume, treble, and bass, allowing you to fine-tune the audio output to your preferences and needs. Designed for reliability, this board incorporates several essential protection features: reverse polarity protection, overheat protection, as well as overcurrent and short-circuit protection. With its high performance, this Bluetooth 5.0 amplifier is ideal for driving speakers from 4 to 8 ohms, with a recommended power output between 15 and 100 watts. Its output power is 2 x 50W for the left/right channels and 100W for the subwoofer channel. It operates with a continuous power supply of 12V to 24V and has an input sensitivity of 500mV. Your order includes everything needed for complete and immediate assembly: 1 amplifier board, 1 cover, 1 base plate, 1 power adapter, 1 screwdriver, 5 adjustment knob caps, 9 screws, 4 short mounting posts, and 4 long mounting posts.