Specification:
Product name: 2.1 channel power amplifier module
Product model: ZK-MT21
Bluetooth version: 5.0 (unshielded 15 meters)
Input Sensitivity: 500mV
Audio input: AUX+Bluetooth
Channel: 2.1
Chip format: domestic power amplifier chip
Power supply range: DC 12 ~ 23 V / 5A or more (do not connect 24V battery pack)
Speaker adapter: 20~100 W 4~8 Q
Output power: 50W max @ R&L channel
Max100W @ subwoofer
Protection mechanism: reverse polarity protection overheating overcurrent short circuit
Product size: 93mm*90mm*22mm
Packing weight: about 185 grams (packed)
Control: 1 x Board

**** This smartphone does not support power above 24V please use a smartphone or dare to test 12-21V.
**** 24V power switch or adapter with more than 24V combat value.


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#ZK-MT21#ZK Mini Amplifier#Bluetooth 5.0#Subwoofer Amplifier