FocusAi ZK-MT21S 2.1 Channel BL Audio Power Amplifier Board Module Heavy Subwoofer module

Features:

1: Encoder high-end experience

2: Intelligent and free to cut songs

3: One turn on/off, no need to long press and wait to see the indicator light

4: AUX+Bluetooth+U disk+USB sound card

5: Bluetooth version 5.1

Specification:

Product name :2.1 channel bluetooth audio power amplifier board module

Product Model: ZK-MT21S

Number of channels: 2.1 channels (left channel + right channel + subwoofer)

Input method: AUX+Bluetooth+U disk+USB sound card

Bluetooth version: 5.1

Switch mode: Mechanical switch (no need to wait for a long press)

Adapter power supply: DC 12~24 V, ≥8A

Adapted speakers: Left and right channels 20-50W, 4-8Ω subwoofer 20-100W, 4-8Ω

Output power: Left and right channels≤50W, subwoofer≤100w

Protection mechanism: Input anti-reverse connection, overheating, overcurrent, short circuit protection

Product size: 93*96*22mm

Product weight: Net weight 136g including packaging 187g

Tip: Only when the audio signal input is large enough and the power supply voltage/current is large enough will there 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 ensure that the power of the adapted power supply is greater than the actual working power of the power amplifier!

Package List：

1*2.1 channel bluetooth audio power amplifier board module