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 $28.00
Regular price Sale price $28.00
Sale Sold out
BLACK FRIDAY SALE

Exclusive Deals End Soon!

Save 5% on 2+ Items • Save 10% 3+ Items • Save 15% on 10+ Items

Applies automatically in cart & checkout • No code needed

00 Days
00 Hours
00 Minutes
00 Seconds
In Stock - Ships in 1-3 Days

Estimated delivery:

Quantity
Free Shipping
30-Day Returns
1-Year Warranty

Shipping Information

FREE SHIPPING to UK & 40+ countries. Fully insured.

Delivery: Estimated times shown at checkout based on your location (typically 6-13 days total including 1-3 days handling)

No hidden fees on orders under £135 (orders over £135 may have import duties)

Ships from China via tracked DDP service. Order by 12 AM London time for next-day dispatch.

Full shipping policy →

30-Day Money-Back Guarantee

Return unused items within 30 days (you pay return shipping). Faulty items covered at no cost to you.

Full policy →

Right Part Guarantee

Get exactly what you ordered or your money back, including shipping. 30 days, no questions asked.

Hassle-Free Returns

Start your return online in seconds. No forms, no hassle.

Return portal →.

Trusted by 80,000+ DIY & repair professionals


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

Verified Compatible

Guaranteed fit for your device. Wrong part? Full refund including shipping.

View full details

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

$28.00

You may also like