OEM ODM Digital Echo Karaoke Key Control Amplifier QQ
Since2005, Over 10 years OEM /ODM experience in Pulic Address System And Professional Audio System ,Strict quality control and good price
Model |
KS-3120 |
KS-3180 |
KS-3250 |
Power 8Ω |
2×120W |
2×180W |
2×250W |
Power 4Ω |
2×180W |
2×250W |
2×380W |
Frequency response |
20Hz-20KHz, ±0.5dB |
||
THD+N |
≤0.05% |
||
Size rate |
10V/US |
10 V/US |
10 V/US |
Damping factor |
>100 |
>100 |
>200 |
Output circuitry |
Class AB |
Class AB |
Class AB |
Signal to noise ratio |
≥85dB |
≥86dB |
≥90dB |
Cross talk |
≥45dB |
≥45dB |
≥48dB |
Input impedance |
0.16v |
0.18v |
0.20v |
Cooling |
/ |
||
Amplifier protection |
Short circuit , themal ,over load , clip limiter, DC voltage |
||
Dimension(mm) |
430*340*132 |
430*340*132 |
430*340*132 |
Product Advantages:
2.Short product period
3. On time delivery
4. OEM Ability
5. Excellent R&D team
Our Service:
1.Products design:
2.Quality Stability :
we assure the quality stability ,once there is quality problem happen, we will withdraw the cargoes unconditionally .
3.Pre-production sample confirmation-after get customers 30% deposit . within 7 days we will provide pre-production sample to customers for confirmation before mass production.
4.Quick and intimate service: quickly provide all the files which necessary for handling enrtrance formalities;assist our customers to make certificate.
5.On time delivery : for the first order ,we can ship within 25 days ,and for the repeated orders ,15 days in need .
6.Protect our customers privacy of ingredient and market information :
making usre that for the same our brand of products,in each country ,we only sell to one customer.
Our Advantage:
1.OEM Ability: Over10 years speakers and amplifiers product manufacturer experience .
2.Famous factory: We have been the supplier of 2008 Beijing Olympics China .
3.Quality:We have strict quality control system with 5 steps of inspection to assure the stability of quality. Certificated with CE,CCC,ROHS,FCC,CB and so on .
4.Competitive:we focus on help our customers to build their brand name to be the famous brand in their country .
5.Excellent R&D team:
6.Professional and mature sales team: the operation experience is rich , good english level , familiar with each foreign trade process which ensures no error in order process .
7. Products positioning: with several years experience in brands operation and been to many countries for market researching , we can help our customer do exactly prouducts positioning toghether .
Our Products:
Speaker: Ceiling speaker,wall speaker,horn speaker,column speaker,garden speaker,project speaker, professnial speaker and so on .
Our market :
Get a high reputation all around the world.
Why choose us:
1.We focus on speakers and amplifiers product over 10years
2.Your reliable speakers and amplifiers OEM /ODM partner .You can be confident ,because we are trusted in quality .
3.We have gained many international certificates ,.Such as CE,CCC,ROHS,FCC,CB and so on






Tina
Manager
TEL:+86-13160858002
WhatsApp:+86-13160858002
WeChat:+86-13160858002
QQ:2972133387
ADD:Block1, Menkuotian Industrial area, Shijing Town, Baiyun District, Guangzhou, Guangdong, China
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