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TPA3225 300W+300W Treble Bass HIFI Bluetooth-Compatiable Amplifier Module

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ZK-3002T is a DC 36V 48V 300W+300W HIFI Bluetooth 2.0 Amplifier Audio Module with Stereo Treble Bass, perfect for DIY wireless Bluetooth speakers and transponders. This module can receive Bluetooth music, as well as AUX and USB audio input.

This Bluetooth amplifier module is ideal for those who want to add a surround sound experience to their home theater, KTV, outdoor parties, and more. With its powerful 300W output and adjustable volume control, you can customize the sound according to your preference. It is also easy to install and use, allowing you to enjoy an immersive sound experience with minimal effort.

1>.Treble/Bass: It has a built-in TPA3225 amplifier chip and adopts the Bluetooth version 2.0 specification which can drive high power 300W*2 Stereo with aluminum heat sink with DC 18V-50V work voltage and more than 10A current. Supports independent volume adjustment for treble/bass.

2>.Bluetooth APP Control : It can not only be used as an ordinary Bluetooth receiver, but also use the special Bluetooth APP ‘ Wuzhi Audio ’ to Modify Bluetooth Name, ON/OFF Bluetooth Password, Modify Bluetooth Password, ON/OFF Prompt Voice, Adjust Volume for Prompt Voice.

3>.Bluetooth/AUX/USB Audio: It can not only receive music via Bluetooth, but also via AUX/USB to fit different needs. Users also can DIY modify the input LINE to decode audio signals from decoder.

4>.Protection Function: It has multiple protection mechanisms to ensure its safe operation with over-current protection, short-circuit protection, overheating protection, under-voltage protection. Recommended to use more than 10A current to get more clear, bright and high fidelity sound.

5>.Easy to use: It is equipped with an adjustable volume control, allowing users to customize the sound according to their preference. Furthermore, it also provides functions such as switching to the next music, playing/pausing music, and turning on/off the power.
1>.Bluetooth APP Control
2>.Bluetooth/AUX/USB Audio Input
3>.300W+300W Dual Channel Stereo
4>.Modify Bluetooth Name
5>.ON/OFF Bluetooth Password
6>.Modify Bluetooth Password
7>.ON/OFF Prompt Voice
8>.Adjust Volume for Prompt Voice
9>.Active/Passive audio output
10>.360° Infinite Adjust Volume

1>.Work Voltage: DC 18V-50V
2>.Work Current: >10A
3>.Controller IC: TPA3225
4>.Unique function: WuZhi Audio APP control
5>.Channel: 2.0 channel stereo output
6>.Audio input type: Bluetooth/AUX/USB
7>.Audio output type: Left/Right
8>.Output Power(Max): 300Wat50V4ohm/160Wat50V8ohm
9>.Communication distance: 15meter(Max)
10>.Over temperature protection: Yes
11>.Over current protection: Yes
12>.Short circuit protection: Yes
13>.Under voltage protection: Yes
14>.Work Temperature: -20℃~85℃
15>.Work Humidity: 5%~95%RH
16>.Module Size(Installed): 136*100*38mm

5.Use steps:
1>.Using the wiring diagram, select the correct speakers to connect to the black terminal.
2>.Connect the power supply from the DC-005 power socket and wait for the ‘ding dong’ prompt to indicate the module is ready for pairing.
3>.Activate Bluetooth on your phone.
4>.From the Bluetooth device list, select the ‘WuZhi Audio’ device.
5>.Once the device is selected, the module will prepare start playing music.
6>.Adjust the volume using the rotary potentiometer. Rotate the knob clockwise to increase the volume.
7>.Press the right potentiometer once to play/pause the music.
8>.Press the right potentiometer twice to switch to the next music.
9>.Press the right potentiometer three times to switch to the previous music.
10>.Keep the right potentiometer more than 3second can turn ON/OFF work status.
11>.Rotate the middle potentiometer to adjust volume for treble.
12>.Rotate the left potentiometer to adjust volume for bass.
13>.Search/download/open APP ‘WuZhi Audio’ without register if need control by APP. Note: This app can be used directly without the need to register.
14>.Select the ‘+ add device’ at the top line to add device.
15>.Automatic Select and select devices WuZhi Audio’ or Modified Bluetooth name.
16>.User can reset name, enable/disable/set password, enable/disable Bluetooth prompt tone.


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ICStation doesn't accept any form of pay on delivery. Items used to be shipped after payment. Below are the payment methods we can accept at the moment:

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2)  Bank Transfer / Wire Transfer / T/T


Bank Transfer / Wire Transfer / T/T payment methods are accepted for orders which the total price is up to US$300. The bank will charge about US$50 for the transfer fee if we do the payment in these ways. Feel free to contact us for bank payment details if you need pay via bank.

For other payment method, please contact us at orders@icstation-team.com for more details.

We offer worldwide FREE shipping for all orders over $20 USD! Below are the details for our different shipping methods:

1. Regular Shipping: Yanwen / YunExpress / 4PX / China Post Airmail Service

(1) Shipping Fee: $5

All orders will be shipped via standard normal post with tracking number service, which can be tracked on our website.

Note: If your total order price is more than $20 USD, you won't need to pay the $5 USD registered shipping fee.


(2) Delivery Time

Most countries can expect delivery within 7-20 business days, depending on your location:

7-15 working days: Most of Asia countries

10-16 working days: USA, Canada, Australia, UK, Most of Europe countries

20-40 working days: Brazil, Most of South America countries

Important: Since 2021, sellers outside the EU must provide an IOSS VAT number and pay for the VAT billing monthly to ship to EU countries. Therefore, we charge the VAT fee in advance for EU customers. Rest assured, they will not be charged the VAT fee again when the package arrives.


2. Express Shipping: DHL / FedEx / UPS

(1) Shipping Fee: Free for orders that meet the following requirements:

Total price of the order is >= $200 USD


(2) Delivery Time

Most countries can expect delivery within 7-10 working days:

Asia: Japan, South Korea, Malaysia, Singapore, Thailand, Vietnam, Cambodia, Indonesia, Philippines

Oceania: Australia, New Zealand, Papua New Guinea

Europe & America: Belgium, Britain, Denmark, Finland, Greece, Ireland, Italy, Luxembourg, Malta, Norway, Portugal, Switzerland, Germany, Sweden, France, Spain, USA, Austria, Canada


Important Notes:

1.Please provide a physical address for order delivery since DHL and FedEx cannot deliver items to APO or PO BOX addresses.

2.The recipient's contact phone number is required by express shipping agencies for package delivery.

3.EU customers must provide a VAT and EORI number for express shipping. If you can't provide either number, consider using regular post shipping.

4.Korean customers must provide CNEE'S PCCC or date of birth for custom clearance when using express shipping.

5.Brazilian customers must provide the CNPJ or CPF number for custom clearance when using express shipping.


6.For Taiwan customers, we default to the ShunYou Post courier. If you need Express S.F. Shipping, please provide one of the following:

Taiwan local ID card (such as A+9 digits)


Local residence permit

Company name and Unified Business No.

Other Important Information


7.Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed.

8. During annual Chinese holidays (e.g. Chinese New Year, Chinese National Day), delivery for orders placed around these times may be delayed by 3-7 days.

9.Once your order is shipped, you will receive an email notification from icstation.com.


10. For tracking your order with a tracking number, please visit the following websites:

Regular shipping: www.17track.net/en

4PX: en.4px.com/

DHL: www.dhl.com

FedEx: www.fedex.com


We hope this information helps you understand our shipping and delivery policies. If you have any further concern, feel free to contact us via email orders@icstation-team.com, thanks for your attention.



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TPA3225 300W+300W Treble Bass HIFI Bluetooth-Compatiable Amplifier Module