Switching power 4-Channel PA Amplifier( 2*4000w)
Product Features:it is a high-performance switch power amplifiers, compact structure reasonable; Each channel can have independently adjustable peak output voltage, make the amplifier can be very handy drive different power of the size of the speaker, and at the same time, each output can respectively set to low resistance or high resistance (70 V / 100 V) has a strong sub-woofers large array system and broader multi-power-level impedance levels; Intelligent protection circuits provide advanced technology to protect the internal circuitry and connection load, in extreme conditions can protect amplifier and speakers.
Output power at constant pressure: 4*1600W / 4*2200W
THD: 20 Hz-20 kHz 1W: <0.1%1kHz: <0.01%
20Hz-20kHz: <0.03%
Sensitivity: >112dB
Channel separating degree (crosstalk): 1 kHz: >70dB
Input connection: 3 core phoenix electronic balance
Output connection: 2 a screw connector
Input impedance: 20 K Ω Balance
The level adjustment: Former board potentiometer, from the negative infinite to 0 dB
Cooling mode: Stepless speed regulation fan, air flows from a former to back
Power amplifier protection way: Short circuit, open circuit, Overheating, RF Radio Frequency, Low frequency to protect
Power supply specification: Ac 220 V(± 10%) 50-60Hz
Chassis dimensions (high * long* wide): 88mm*483mm*360mm
Package dimensions (high * long* wide): 180mm*560mm*500mm
Net weight: 12 KG
Gross Weight: 13.4 KG
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 . 
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 .
Guangzhou Lingyin Electronic Co., Ltd. is a professional manufacturer specialized in Speaker, Amplifier and Public Address System in Guangzhou, China. And we are also one of the Public Broadcasting suppliers of Beijing Olympic Museum.
Our factory owns a strong R&D team, advanced production lines, and a strict quality control system. There are three brands 'LingBa' "ZQZ "and "QQ China PA"have received CCC, CE and RoHS approvals. Our product range includes: Power amplifier, Speaker amplifier, Line arry, Music mixer amplifier, common mixer amplifier, pre amplifier, power amplifier, assistant unit, ceiling speakers, indoor/outdoor column speaker, garden speaker, art panel, volume control, wireless MIC, PA lectern, IP Network, Wireless broadcast, Professional audio series, Monitor Series and so on.
Moreover, we can offer excellent service, react and customize according to customer's requirements. Adhering the principle of "quality first, reputation first", we sincerely hope to be your ideal supplier.
With high credit standing, best quality products and service system, and the competitive price policy, we sincerely look forward to establishing a stable long-term business cooperation with you.
