Product: Bluetooth 5.1 Amplifier Board
Features:
- Beautiful appearance and small size
- Pure and transparent sound quality
- 360 degree high end knob tuning with cool APP
- Indicator light with 8 levels of brightness selection
- Support custom 10-band sound effects adjustment
- Protection mechanism: over-current, short-circuit, anti-static protection
- Support Wuzhi Audio APP for customization
Specifications:
Model:
- ZK-F152 (15W+15W)
- ZK-F502H (50W+50W)
- ZK-F302 (30W+30W)
- ZK-F502E (50W+50W)
- ZK-F802 (80W+80W)
- ZK-F1002 (100W+100W)
Amplifier chip:
- TPA3116D2
- TPA3118
- Chinese chips
Adapter power:
- Range from 9-24V, ≥2A to DC9-24V，≥5A
Adapter for speakers:
- Range from 5-30w，4-8Ω to 20-100w，3-8Ω
Bluetooth version: Bluetooth 5.1
Audio input: Bluetooth+AUX+U disk+USB sound card
Volume adjustment: Multi-function knob, 360 degree stepless tuning
Protection mechanism: Over current, short circuit, anti-static protection
Package list: 1*Volume indicator Bluetooth audio power amplifier board module

Payment:
- Accept Paypal ONLY
Shipping:
- Shipping within 24 Hours after payment cleared
- Ship items worldwide
Refund:
- Return within 30 Days in original condition for full refund
Feedback:
- Leave positive feedback if satisfied
- Contact immediately for any issues

We keep a close eye on consumer needs,offering continual innovation and product development and an ever-changing core product range.Each product undergoes rigorous development and testing,keeping quality and longevity in mind.In addition,our trained customer service team work hard to ensure that any queries are dealt with efficiently and strive to ensure that you are always provided with the highest level of customer support.

Any questions,please contact us through eBay message or e-mail,We will reply within 1-2 business days(public holidays not included).
Working time:Monday-Friday 9:00 AM-5:30PM(Beijing)

A complete and correct shipping address is essential.
Customers with shipping addresses outside of the U.S.are responsible for all duties and import taxes.Please contact your customs for information.
For any further information about shipping,please contact our customer service team.

We are happy to be able to offer our customers 60 day returns on our products.All items can be returned and a refund will be issued,provided they are returned within 60 days of receipt of purchase.In the unlikely event that you are not happy with your purchase please do not hesitate to contact our customer services team.

We offer at least 1 year guarantee on all of our products.