MT21 2.1 Channel Bluetooth 5.0 Subwoofer Amplifier Board 50WX2+100W Power Audio Stereo Amplifier Board Bass AMP AUX
MT21 2.1 Channel Bluetooth 5.0 Subwoofer Amplifier Board 50WX2+100W Power Audio Stereo Amplifier Board Bass AMP AUX
Product Name : 2.1 channel audio amplifier module with Tone
Product Model : MT21
Bluetooth Version : 5.0(no shielding,15 meters)
Input Sensitivity: 500mV
Audio Input : AUX+ Bluetooth
Channel : 2.1
Chip Solution : Domestic power amnlifior chip
Power Range: DC12~24 V / 5A above (vo not connect to 24Vbattery pack)
Adapter Speaker : 20~100 w,4~8Ω
Output Power : Max 50W@ R&L channel
Max100W @subwoofer
Protection Mechanism : Anti reverse connection、Overheat、Over-
current、Short circuit
Product Dimensions : 93mm*90mm*22mm
Package Weight : about 185g ( packaging)
PS: In the audio input is enough, the supply voltage/current is enough, there will be
enough output power! The higher the supply voltage, the greater the output pow-er.The smaller the impedance of the speaker, the greater the output power! Please











Original: $21.99
-70%$21.99
$6.60






Description
Product Name : 2.1 channel audio amplifier module with Tone
Product Model : MT21
Bluetooth Version : 5.0(no shielding,15 meters)
Input Sensitivity: 500mV
Audio Input : AUX+ Bluetooth
Channel : 2.1
Chip Solution : Domestic power amnlifior chip
Power Range: DC12~24 V / 5A above (vo not connect to 24Vbattery pack)
Adapter Speaker : 20~100 w,4~8Ω
Output Power : Max 50W@ R&L channel
Max100W @subwoofer
Protection Mechanism : Anti reverse connection、Overheat、Over-
current、Short circuit
Product Dimensions : 93mm*90mm*22mm
Package Weight : about 185g ( packaging)
PS: In the audio input is enough, the supply voltage/current is enough, there will be
enough output power! The higher the supply voltage, the greater the output pow-er.The smaller the impedance of the speaker, the greater the output power! Please



































