See today's price on Amazon
Amazon prices change often — we always send you to the live price, so you never act on a stale number.
Price Comparison
Amazon price
Prices verified 1 day ago(Aug 6, 2026, 6:16 AM)
Product prices and availability are accurate as of Aug 6, 2026, 6:16 AM and are subject to change. Any price and availability information displayed on the retailer's site at the time of purchase will apply.
Video Review
Technical Specifications
Product Details
BrandMELIFE
UPC687117776808
EAN0687117776808
CategoryAmplifiers
Frequently Asked Questions
Where can I buy MELIFE ZK-TB21?+
MELIFE ZK-TB21 is available at Amazon. Use the price box above to jump straight to the listing.
You Might Also Like
Anu Limen
Anu Limen Aluminum Alloy 60W Plus 60W Digital Subwoofer Amplifier Board Power Amp HiFi Audio Dual Channel Amplifier for XH-M541 TPA3116D2
$18.99
from 1 retailers
ARRAROWN
ZK-1002 Bluetooth 5.0 Audio Amplifier Board, 100W x 2 2.0 Channel Mini HiFi Power Amplifier Receiver with Volume Control, BT and AUX Inputs, DC 5-27V Stereo AMP Module for Home DIY Speakers
$19.98
from 1 retailers
Jiawu
Jiawu Power Amplifier Board, 50W X 2 Channel Amplifier Board with USB Microphone Inputs Dual Mic Support for 4 to 8Ω Speakers Stereo Sound System Module
$20.87
from 1 retailers
Bewinner
Bewinner Mono Power Amplifier Board Kit 100W Stereo 200W, HiFi Pure Sound Enhanced Bass, Operational Amp Module for Speaker System, Subwoofer, Bookshelf Speaker, Professional Audio
$21.00
from 1 retailers
See today's price on Amazon
We link you to Amazon's live price — never a stale one.
See price at AmazonPrice Comparison
Amazon price
A
AmazonAt Amazon
In Stock
Prices verified 1 day ago(Aug 6, 2026, 6:16 AM)
Product prices and availability are accurate as of Aug 6, 2026, 6:16 AM and are subject to change. Any price and availability information displayed on the retailer's site at the time of purchase will apply.
Spotted a lower price?
We refresh prices regularly, but retailers move fast. If you found this item cheaper somewhere we compare, let us know and we'll take a look.