
Lowest Price Found
$23.74
$24.99
Amazon price
Product prices and availability are accurate as of Aug 10, 2026, 10:44 PM and are subject to change. Any price and availability information displayed on the retailer's site at the time of purchase will apply.
The lowest in-stock price right now is $23.74 at Amazon.
FORIOT ZK-TB21 2.1 Channel is available at Amazon. Use the price box above to jump straight to the listing.
Yes — the current best price of $23.74 is $1.25 (5%) below the list price of $24.99.

FORIOT
S600X-W 2.1 Channel Bluetooth Amplifier Board, 300W×2+600W Subwoofer, Dual TPA3255 HiFi Class D Power Amp Module, DC 19-51V, BT 5.2, AUX & USB Input, for DIY Home Theater Passive Speakers
from 1 retailers

Denash
Denash Active Subwoofer Amplifier Board 600W Powerful Mono Amplifier for Music Enthusiasts 144x65x37mm Size
from 1 retailers

Hosyond
ZK-TB21 Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board TPA3116D2 HiFi Treble and Bass Control Stereo Digital Audio Amp Board for Home Theater DIY Speakers
from 2 retailers

SEEXDDT
1500W Frequency Divider Tweeter Pure Bass Crossover Filter Amplifier Home Sound Theater Subwoofer Crossover
from 1 retailers
Amazon price
Product prices and availability are accurate as of Aug 10, 2026, 10:44 PM and are subject to change. Any price and availability information displayed on the retailer's site at the time of purchase will apply.
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.