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![[Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 0](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/30e13ec1a8c541bb8f897d98c0f3a452~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)
![[Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 1](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/439bb0a0698642e0badf707c2ce968f5~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)
![[Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 2](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/3b49e592b6df4f9fb2642dd0cf11f390~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)
![[Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 3](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/70f0e0f86ec24fdebf79d29b799bfba4~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)
![[Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 4](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/0c2d058796c048918c55de08e0dc1003~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)
![[Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 5](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/1062525c42b5446a8d801794fcac91e9~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)
![[Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 6](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/7686488653934b9d82e1f1b33aeedea5~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)
![[Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 7](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/630b247686b94a058adf43f6a3a8d2a0~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)
![[Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 8](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/d838f1823dca4c66997e0af99300fc80~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)
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[Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel
5(2)
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From ₱36.00
Est. delivery by Jul 18
Customer reviews (2)
A**t M**z
Item: Default
Malakas sya malinaw Ang tunog sana maapgred sya para masmalakas pa
March 20, 2025
m**o
Item: Default
ok na ok
February 27, 2025
About this shop
Electrician Expert Shop
87%
Ships within 2 days
90%
Responds within 24 hours
About this product
Warranty Duration12 Months
Amplifier TypeFor Indoor,For KTV,For Stage,Home Amplifier
Input Voltage(V)12-24V/6A
Warranty TypeManufacturer Warrenty
Product description
Product model: ZK-TB21
Input sensitivity: 500mV
Number of channels: 2.1
Adapted power supply: DC 12-24V/5A or above (the higher the voltage, the greater the output power)
Output power: Left and right channels ≤ 50w, subwoofer ≤ 10OW
Heat sink size: 50x25x10 (mm)
Product size: 118x100x22 (mm)
Bluetooth version: 5.0 (unobstructed, 10 meters)
Input method: AUX+Bluetooth
Adapted speaker: 20-100 W, 4-8Q
Protection mechanism: overvoltage, undervoltage, overheating, DC detection, short circuit protection
Product weight: About 256g
![Product Introduction of [Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 12](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/b0c3b18eceb24299bb70b48ce4422a29~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)
![Product Introduction of [Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 13](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/17bbe17fd93a453ea74bd307c62f9bc9~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)
![Product Introduction of [Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 14](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/4b5b96c4e1f4454cbabaf6a3de13598c~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)
![Product Introduction of [Pagpapadala sa loob ng 24 na oras] ZK-TB21 Subwoofer Amplifier Board Bluetooth 5.0 Stereo Audio Power Amplifier 50WX2+100W 2.1 Channel 15](https://p16-oec-va.ibyteimg.com/tos-maliva-i-o3syd03w52-us/b132dcfe1d854951aa67eb89262fc3ba~tplv-o3syd03w52-resize-webp:800:800.webp?dr=15584&t=555f072d&ps=933b5bde&shp=6ce186a1&shcp=e1be8f53&idc=maliva&from=1826719393)