Skip to product information
1 of 7

buy2fix

ZK-TB21 TPA3116D2 High & Low Pitch Adjustment 2.1 Channel Bluetooth Full Digital Power Amplifier Module

ZK-TB21 TPA3116D2 High & Low Pitch Adjustment 2.1 Channel Bluetooth Full Digital Power Amplifier Module

Regular price QAR 137,00
Regular price Sale price QAR 137,00
Sale Sold out
FREE DELIVERY on all orders.

In Stock.

Shipping Guarantee

FREE SHIPPING on all UK orders. Fully Insured.

Handling time 1 - 3 working days. (Buy2fix has to process your order and put all your items through its strict quality-control tests.)

Transit time 5 - 10 working days.

Return Guarantee

For whatever reason if you are unsatisfied with your order within 7 days you can return it to us in new condition for a refund minus the shipping charges.

DOA Guarantee

If your item arrives damaged, please contact us within 7 days and provide clear and valid proof. Buy2fix will make compensation based on the damage situation.

Missing/Wrong Items Guarantee

If you receive a parcel with missing/incorrect/secondary packing items, please contact us within 7 days of delivery and provide the relevant proof. Buy2fix will make compensation based on the damage situation.


1. Power supply current: 5A
2. Power supply voltage: 12-24V
3. Bluetooth version: 5.0 (no occlusion, 10 meters)
4. Input sensitivity: 500mV
5. Input method: AUX+Bluetooth
6. Number of channels: 2.1
7. Channel power amplifier chip: TPA3116D2 (with AM interference suppression function)
8. Adaptive power supply: DC12-24V/5A or more (the higher the voltage, the greater the output power)
9. Adapted speaker: 20~100W.4~8 ohms
10. Output power: left and right channels 50W/subwoofer 100W
11. Protection mechanism: overvoltage, undervoltage, overheating, DC detection, short circuit protection
12. Product size: 120mmx100mmx20mm
13. Product weight: about 195 grams
14. Tips: Only when the audio input is sufficient and the power supply voltage/current is sufficient, there will be sufficient 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! ! !
15. A screwdriver is provided, and the shell needs to be assembled by yourself

View full details

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)