ZK-MT21 2.1 Channel Speaker Amplifier Module – 100W Wireless Subwoofer Board With AUX Input, Compact Portable Audio Receiver Music | Home Theater, Office, Store, Living Room,Bocinas De Bluetooth,Electronics,Tv,Home Appliances

[Treble and Bass Adjustment] 2.1 channel, maximum output power 2X50W+100W. By adjusting the high and low frequency knobs, you can make the sound more layered and the bass more shocking. [Protection Function] It has short circuit protection, overcurrent, overheating, and anti-reverse connection protection. When an overload occurs, the device reports the fault condition to the processor to protect itself from damage. [High Quality] Features copper DC connectors and barrier style terminals. It can withstand large currents without generating heat or damaging wires. Comes with a DC head lead, which is compatible with the input power interface of this product. Even if you don't have a DC head adapter or battery, you can easily connect it. [Application] Widely used in store solicitation, home theaters, DIY speakers, etc. If you have any questions about the product, or the product has quality problems, please feel free to contact us and we will give you a satisfactory answer.