ZK-TB21
Introduc�on
ZK-TB21 Bluetooth 5.0 2.1 Channel Stereo Subwoofer Amplifier Board has a maximum
output of 50wa� per channel. Use TPA3116D2 chip to bring you great HIFI stereo
sound quality. With two input methods and bass and treble control, you can connect
using Bluetooth or a 3. 5MM audio cable. Suitable for 40hm-80hm. 50wa�-200wa�
2.1 channel passive speakers or subwoofer.
Product Specifica�ons
Model: ZK-TB21
Input Mode: Bluetooth, AUX
Work Voltage: DC 12V-24V
Channel: 2.1 CH Stereo Output
Bluetooth version: Bluetooth 5.0
Bluetooth transmission distance: 50 Ft
MAX Power Output: 50W*2
(
R&L
)
+100W
(
Subwoofer
)
Treble and bass control: Yes
Termina�ng Impedance: 4 Ohm-8 Ohm
Match Speaker: 50wa�-300wat
Work Temperature:-40
℃
~85
℃
Work Humidity: 0%~95%RH
Size: 3.94*3.94*0.9 inch
Weight: 0.46lb/210g
DC socket: 5.5 2.1mm
Product Overview
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