ZK-MT21 50W×2+100W Bluetooth 5.0 Amplifier Board

ZK-MT21 2x50W + 100W 2.1 Channel Subwoofer Digital Power Amplifier Board | AUX 12V-24V Audio Stereo | Bluetooth 5.0 Bass Amp for Home Theater Speakers

Features :

• This Bluetooth-compatible 2.1 channel audio power amplifier module delivers a maximum output of 2x50W + 100W.
• Supports two audio input modes: AUX and Bluetooth 5.0, offering high transmission efficiency and an extended transmission range.
• Equipped with multiple protection features, including short-circuit, over-current, overheating, and reverse polarity protection. In case of overload, the fault condition is reported to the processor to prevent damage.
• Designed with high-quality copper DC connectors and barrier terminals, ensuring high current handling without overheating or wire damage.
• Features a premium rotary encoder main knob, commonly used in high-end amplifiers. It supports 360-degree stepless tuning and a smooth one-touch start/stop function for simple and convenient operation.
• Comes with independent controls for bass, treble, subwoofer frequency, and volume, allowing easy customization of sound to suit your preferences.

Specifications :

• Product model: ZK-MT21
• Bluetooth-compatible version: 5.0
• Input sensitivity: 500mV
• Input method: AUX+ Bluetooth-compatible
• Number of channels: 2.1 channels
• Power amplifier chip: Domestic power amplifier chip
• Adapter power supply: above DC12-24V/5A (24V battery pack is not allowed)
• Adapted speakers: 20-100W, 4-8Q
• Output power: left and right channels <50W; subwoofer <100W