Qqchinapa Over Current Overload and Alarm Digital Amplifier 300-500W

Product Description

Since2005, over 10 years OEM /ODM experience in Pulic Address System and Professional Audio System ,strict quality control and good price
Product Description




This machine is a multi-channel high performance switching power supply digital class D power amplifier,adopt imported US.A.IR Digital Chip,SMT modular design,the structure is compact and reasonable.Each channel has independetly output power supply,even if a particular channel fails.Will not affect other channels.All-round protection circuit to deal with excess current overload &short-C,or abnormal DC Voltage Output &Over Heat,1.5U thin design.
*70-100V constant pressure output and 4-16 Ohms Output, Balanced,no grounding.2 or 4 channel for your choose,
*4 Pcs LED indicators for status display,
*XLR socket and 6.35mm jack for amplifier link,
*Protection for short-C,over heat and over load,
*With Limiter function,music without distoration,

Model	LA-300×2H	LA-400×2H	LA-500×2H	LA-300×4H	LA-400×4H	LA-500×4H
Rated power	300×2W	400×2W	500×2W	300×4W	400×4W	500×4W
Line voltage	70-100V	70-100V	70-100V	70-100V	70-100V	70-100V
Zone	/	/	/	/	/	/
Impedance	4-16Ω	4-16Ω	4-16Ω	4-16Ω	4-16Ω	4-16Ω
Dimension(mm)	482*65*405	482*65*405	482*65*405	482*65*405	482*65*405	482*65*405
GW(kg)	7.3	7.3	7.3	13.6	13.6	13.6

Our Service:
1.Products design:We will help our customers to design the full products line .
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.

Product Advantages:
1.Stable quality,Good price
2.Short product period
3.On time delivery
4.OEM Ability
5.Excellent R&D team

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---Lead by 2 engineers who has more than 15 years R&D experiences and 3 engineers who has 6 years R&D experiences.
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 .
Amplifer:Mixer amplifier, power amplifier,pure amplifier,professianl amplifier 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 .
4.Our Factory covers an area of12,000 square meters and has more than 200 employees.