Model: ZK-502
Chip: TPA3116D(with AMinterference suppression)
Audio input: bluetooth + AUX+USB flash disk+Computer USB sound card (plug and play)
Power supply: 9-24V (high power recomended high voltage)
Adapter speaker:10-100W;4-8Ω
Channel: left and right stereo(stereo)
bluetooth version:5.0(>15 meters without occlusion)
Protection mechanism: overvoltage,undervoltage,overheating,DC detection,short circuit protection
Size: 60*60*29mm
Weight: about 104g(packaging)

Package Inlcuded:

1 x ZK-502H 50Wx2 Stereo Bluetooth 5.0 Amplifier

(1) FREE Shipping 10 - 15 business days, (2) Standard Shipping 7 - 12 business days.

Shipping and Delivery Estimates

We ship in-stock orders as soon as possible. This is often within two business days, but there are situations where it may take longer. All estimates are based on business days.


(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.

(2) Business days do not include Saturday/Sunday and any public holidays.

(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.

(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.

Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

for more information please visit our Refunds & Returns Policy page.

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ZK-502H 50Wx2 TPA3116D2 HIFI 2.0 Stereo Bluetooth 5.0 Digital Power Amplifier Module

$52.99 $31.99