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Product Description

ZK-LT21
Features:
1: Wide range of applications
2: APP has a timer shutdown function
3: Supports custom 10-segment sound effects to be adjusted arbitrarily to make up for the deficiencies, so that different speakers can achieve better sound effects.
4: The mechanical switch can be turned off with one turn, no need to wait for a long time, which is convenient and fast.
5: Support Wuzhi Audio APP. Modify and change for Bluetooth name, password setting, volume adjustment of prompt sound, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist

Model: ZK-LT21
Name: 2.1, 15WX2+30W Bluetooth audio power amplifier with subwoofer
Adapter power supply: 9-24V/3A (can not be connected to AC)
Bluetooth version: 5.1
Audio input: BT+AUX+USB+USB sound card
Audio output: left channel 15W + right channel 15W + subwoofer 30W
Volume adjustment: classic mechanical knob (with volume scale), stepless adjustment
Switch machine: classic mechanical switch, one turn switch machine, no need to wait for a long time.
Adapter speaker: 10-50W 4-8Ω
Protection mechanism: overheating, overcurrent, short circuit, anti-static protection
Product weight: net weight 66g, including packaging 102g
Special feature
Support Wuzhi Audio APP. Modify and change the bluetooth name, password setting, volume adjustment of prompt sound, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist.
Dimensions: 76*60*22mm
Note: It is recommended to use an 8Ω speaker and power supply of 9-24VDC without overvoltage.
If driving a 4Ω speaker, the power supply cannot exceed 12V.

Package includes:
1*Digital power amplifier board module




ZK-152

Features:
1: Wide range of applications
2: APP has a timer shutdown function
3: Supports custom 10-segment sound effects to be adjusted arbitrarily to make up for the deficiencies, so that different speakers can achieve better sound effects.
4: Classic mechanical knob (with volume scale), stepless adjustment
5: Support Wuzhi Audio APP. Modify and change for Bluetooth name, password setting, volume adjustment of prompt sound, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist

Model: ZK-152
Name: 2.0, 15WX2 Stereo Bluetooth Audio Power Amplifier
Adapter power supply: 9-24V/2A (can not be connected to AC)
Bluetooth version: 5.1
Audio input: BT+AUX+USB+USB sound card
Audio output: left channel 15W + right channel 15W
Volume adjustment: classic mechanical knob (with volume scale), stepless adjustment
Switch machine: classic mechanical switch, one turn switch machine, no need to wait for a long time.
Adapter speaker: 5-30W 4-8Ω
Protection mechanism: overheating, overcurrent, short circuit, anti-static protection
Product weight: net weight 40g, including packaging 76g
Special feature
Support Wuzhi Audio APP. Modify and change the bluetooth name, password setting, volume adjustment of prompt sound, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist.
Dimensions: 71*50*20mm
Note: It is recommended to use an 8Ω speaker and power supply of 9-24VDC without overvoltage.
If driving a 4Ω speaker, the power supply cannot exceed 12V.

Package includes:
1*Digital power amplifier board module




ZK-152T

Features:
1: Wide range of applications
2: APP has a timer shutdown function
3: Supports custom 10-segment sound effects to be adjusted arbitrarily to make up for the deficiencies, so that different speakers can achieve better sound effects.
4: The mechanical switch can be turned off with one turn, no need to wait for a long time, which is convenient and fast.
5: Support Wuzhi Audio APP. Modify and change for Bluetooth name, password setting, volume adjustment of prompt sound, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist

Model: ZK-152T
Name: 2.0, 15WX2 bluetooth audio power amplifier with high and low pitch
Adapter power supply: 9-24V/2A (can not be connected to AC)
Bluetooth version: 5.1
Audio input: BT+AUX+USB+USB sound card
Audio output: left channel 15W + right channel 15W
Volume adjustment: classic mechanical knob (with volume scale), stepless adjustment
Switch machine: classic mechanical switch, one turn switch machine, no need to wait for a long time.
Adapter speaker: 5-30W 4-8Ω
Protection mechanism: overheating, overcurrent, short circuit, anti-static protection
Product weight: net weight 62g, including packaging 98g
Special feature
Support Wuzhi Audio APP. Modify and change the bluetooth name, password setting, volume adjustment of prompt sound, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist.
Dimensions: 71*60*20mm
Note: It is recommended to use an 8Ω speaker and power supply of 9-24VDC without overvoltage.
If driving a 4Ω speaker, the power supply cannot exceed 12V.

Package includes:
1*Digital power amplifier board module





ZK-302

Features:
1: Wide range of applications
2: APP has a timer shutdown function
3: Supports custom 10-segment sound effects to be adjusted arbitrarily to make up for the deficiencies, so that different speakers can achieve better sound effects.
4: The mechanical switch can be turned off with one turn, no need to wait for a long time, which is convenient and fast.
5: Support Wuzhi Audio APP. Modify and change for Bluetooth name, password setting, volume adjustment of prompt sound, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist

Model: ZK-302
Name: 2.0, 30WX2 Stereo Bluetooth Audio Power Amplifier
Adapter power supply: 9-24V/3A (can not be connected to AC)
Bluetooth version: 5.1
Audio input: BT+AUX+USB+USB sound card
Audio output: left channel 30W + right channel 30W
Volume adjustment: classic mechanical knob (with volume scale), stepless adjustment
Switch machine: classic mechanical switch, one turn switch machine, no need to wait for a long time.
Adapter speaker: 10-50W 8Ω
Protection mechanism: overheating, overcurrent, short circuit, anti-static protection
Product weight: net weight 45g, including packaging 82g
Special feature
Support Wuzhi Audio APP. Modify and change the bluetooth name, password setting, volume adjustment of prompt sound, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist.
Dimensions: 71*50*18mm
Note: It is recommended to use an 8Ω speaker and power supply of 9-24VDC without overvoltage.
If driving a 4Ω speaker, the power supply cannot exceed 12V.

Package includes:
1*Digital power amplifier board module




ZK-302T

Features:
1: Wide range of applications
2: APP has a timer shutdown function
3: Supports custom 10-segment sound effects to be adjusted arbitrarily to make up for the deficiencies, so that different speakers can achieve better sound effects.
4: The mechanical switch can be turned off with one turn, no need to wait for a long time, which is convenient and fast.
5: Support Wuzhi Audio APP. Modify and change for Bluetooth name, password setting, volume adjustment of prompt sound, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist

Model: ZK-302T
Name: 2.0, 30WX2 Bluetooth audio power amplifier with high and low bass adjustment
Adapter power supply: 9-24V/3A (can not be connected to AC)
Bluetooth version: 5.1
Audio input: BT+AUX+USB+USB sound card
Audio output: left channel 30W + right channel 30W
Volume adjustment: classic mechanical knob (with volume scale), stepless adjustment
Switch machine: classic mechanical switch, one turn switch machine, no need to wait for a long time.
Adapter speaker: 10-50W 8Ω
Protection mechanism: overheating, overcurrent, short circuit, anti-static protection
Product weight: net weight 71g, including packaging 106g
Special feature
Support Wuzhi Audio APP. Modify and change the bluetooth name, password setting, volume adjustment of prompt sound, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist.
Dimensions: 76*60*20mm
Note: It is recommended to use an 8Ω speaker and power supply of 9-24VDC without overvoltage.
If driving a 4Ω speaker, the power supply cannot exceed 12V.

Package includes:
1*Digital power amplifier board module

We only ship to Ebay Address,Please Make sure it's 100% right.

The items you ordered will be shipped out  in 1 business day by Air Mail 

when your payment is clear. 

 

 

Country

DELIVERY TIME

Shipping time will be longer than below period due to the flight and holiday

WORKING DAYS

5-7

8-10

12-14

15-19

20-22

WORKINGDAYS+SATURDAY+SUNDAY

5-9

8-15

16-20

21-25

26-30

Australia

Rate(time arrived)

21.4%

52.1%

14.3%

7.2%

4%

United States

Rate(time arrived)

5.2%

80%

14.3%

0.5%

  

United Kingdom

Rate(time arrived)

9.9%

63.2%

19.1%

3.4%

4.4%

Germany

Rate(time arrived)

11.1%

22.2%

30.3%

20.9%

15.5%

Canada

Rate(time arrived)

2%

45.1%

31.4%

17.6%

4%

Italy,Russia

Rate(time arrived)

2.5%

10.2

18.2%

17.3%

31.3%

Spain

Rate(time arrived)

3.5%

25%

47.9%

12.9%

10.7%

Brazil , most of the south America country

Rate(time arrived)

Most package will need 4-8 weeks

Other country

Rate(time arrived)

0.5%

8.6%

15.0%

43.8%

28.1%
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We maintain high standards of excellence FIVE STAR and strive for 100% customer satisfaction!
Feedback is very important to us.We request that you contact us immediately BEFORE you give us neutral FB or negative feedback,so that we can satisfactorily address your concerns.
 
We ensure dispatch the item within 1-2 business days. However,you bought the item from opposite side of the earth,so it needs a little longer time to delivy.Please place order only if you agree with the shipping time and all the terms below.
 
Customs duty is obligation and liability of a citizen in your country,so buyer should be responsible for any tax and custom duty incurred.
 
Generally,the delay or failure delivery is sometimes caused by the policy of different customs. For example, Laser Pointer is unacceptable insome countries. Therefore,please double check your local customs policy
carefully before purchase.
We are not responsible for any custom duty or import tax.But we will mark th parcel with low value.We will leave POSITIVE FEEDBACK after receiving the payment.
Please contact us if you are not satisfied with the item after receive it.
All messages will be answered within 1 business day. If you do not receive our reply,please kindly re-sent your message and we will reply to you as soon as possible.
Serious Buyer Only! Please place bid only if you agree with all the terms
  • Please buy with confidence. We specialize in electronic components for more than 10 years. All items will be tested before shipped. 
  • We are responsible for mail lost ,We promise you can get the items you pay or refund.All package need to wait 30 days(To USA, Only need 15days) , Please take care it.Less than 30 days 
  • We recommend tracking number . For orders more than $30. we provide free tracking number. Orders less than $30, customer can pay $3.0 for tracking number Pleas feel free to contact us if you need.
  • we can accept 14days no-question-return.If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back..

  • We greatly appreciate your POSITIVE feedback.
Please do NOT leave negative or neutral feedback without any contact.

Here you can find items with high quality and best price .

\all items will be tested before shipped. Good quality is the basic of business. we seek for long term .We mainly selling ICs, electronic component ,

electronic modules.PCB board etc

ICs,

ICs business is our basic business. We specialized in ICs for nearly 10 years.

Located in HQB electronic market in SHENZHEN China. We stock ICs ourselves. We are not trader. So you can always find a good price here ,

For Big quantity, please send message to us to get a better price .

Electronic module.

We product modules . work with many big factory directly . they are all big factory , they have QC department, have strict control on quality ,

unlike the many small factory always selling modules without tested. So we can make sure every module you buy here is with high quality. Of course.

Best price too . For Big quantity, please send message to us to get a better price .

We also accept OEM or ODM order . if you need to design an module. Please feel free to contact us .

 

PCB boards

We product module . so work with big PCB factory .

Quality is really good , and price also low price,

Please don’t hesitate to send us message for a quote, then you will find we are the right business partner you are

looking for . .

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