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Professional Amplifier High Power Class D Design Ka4.420

US$200.00-400.00 1 Piece (MOQ)

Basic Info.

Model NO.
Ka4.420
Used For
Professional
Tube Type
Transistor Amplifier
Function
Pre-amplifier
Sound Channel
2X400W
Output Number
4 Channel
Voltage
190V~260VAC,50~60Hz
Element Number
Push-Pull Amplifier
Conductive Mode
D
(4Ω) Stereo Power
2X700W
8Ω Stereo Power
2X400W
Transport Package
Carton Box or Flight Case
Specification
45X483X461mm
Trademark
RF
Origin
China (Mainland)
HS Code
8518400090
Production Capacity
2000PCS/Month

Product Description

Product Name:Professional amplifier high power class D design with KA4.4
We are leading Pro-loudspeakers and Amplifiers manufacturer and the most reliable supply chain provider with over 26 years experiences in Audio speaker industry.Our monthly output is exceed 2000pcs. Down below is our scope of business.
* Line-Array Curve-Array Loudspeaker System
* Subwoofer Loudspeaker
* Multi-function Loudspeaker,Self-Powered Loudspeaker
* Sound Reinforcement System,PA system
* Amplifier Series
* Paperless Conference System or relevant products and solutions
Specification:
8Ω Stereo power 4×400W
4Ω Stereo power 4×700W
Frequency response 20Hz-20kHz(±0.5dB)
THD+N <0.1%
S/N Ratio ≥100dB
Input Sensitivity 0.775V
Input impedance 20KΩ(balance),10KΩ(unbalance)
Protect short circuit,DC,temperature,VHF, anti-shock functions
Power Supply 190-260V ~50-60Hz
Dimension(HxWxD) 89x483x357mm
Weight 7.6Kg

Features: 1.KA Series features a unique hybrid Class D design, low temperature and high efficiency output.2.The machine is more secure with protection of short circuit,DC,temperature,VHF, anti-shock functions,once activated the amplifier is locked.3. Automatic transimission fan with optimized cooling system ensures more stable performance of the machine.4.Light weight design, convenient for movement and installation.5.Patented dynamic voltage limit control power circuit,protect system is always in a safe working state, while the dedicated distortion elimination circuit ensures that the power amplifier is in the minimum distortion state.
Application:
Conference Room,Multi-function Hall,Stadium,Bar,KTV,Theater
Our Advantages: 1) Audited supplier by SGS international certificate organization2) Product quality: Superior speaker and amplifier, top technology and quality.3) Certificate: CE,RoHS,SGS,ISO9001,ISO14001,ISO27001,ISO20000-1,ISO180014) Monthly Production Capacity: 2000pcs5) Fast delivery: Get your order when you need it.6) 5000 square meters workshop, with about 200 workers and 20 professional engineers7) Professional and Skilled in audio knowledge ---can design complete audio system for you8) Convenient Transportation: 1 hour to Guangzhou port9) 24 hours after sales service.
Project Review:
Company Profile:

FAQ:
Q1: How long is the warranty for the speakers?
A1: 1year warranty. Q2: How about the delivery time?
A2: 3-7days for stock. 10-20 days for new order depend on order quantity since receipt of 30% T/T deposit payment. Q3: What kind of payments does RF support?
A3: T/T, Western Union, Cash are accpeted. Q4: What's the MOQ?
A4: MOQ is 1pcs Q5: Can you produce according to customers' design?
A5: Yes we can, we are professional manufacturer,OEM & ODM are welcome . Q6:Can you tell me your main customers?
A6: That's our customers privacy, we should protect their information. At the same time, please rest assured that your information is also safe here.
If there is any questions,please do not hesitate to contact us for freely!


VR18B is a subwoofer with phase inverted design,belongs to the ultra-low frequency of VR series ,use with VR112 line array speaker combined in three-way,Bi-amp line array system ; can hanging or ground stacked with VR112.
Stadium,Theatre,Auditorium,Banquet hall,Multi-function hall,Touring,Portable application,Supporting large-scale sound reinforcement system fills
8Ω Stereo power 3000W×2
4Ω Stereo power 5100W×2
2Ω Stereo power 7140W×2
16Ω bridge power 6000W×1
8Ω bridge power 10200W×1
4Ω bridge power 14280W×1
Frequency response 20Hz-20kHz(±0.2dB)
THD+N <0.01%
S/N Ratio ≥112dB
Input Sensitivity Optional 32,35,38,41dB
Input impedance 20KΩ(balance),10KΩ(unbalance)
Protect Power supply under voltage protection,power amplifier output DC protection,overheat protection,temperature and power control,overload power control
Power Supply 90-260V ~50-60Hz
Dimension(HxWxD) 45x483x461mm
Weight 12Kg

8Ω Stereo power 2×1500W
4Ω Stereo power 2×2550W
2Ω Stereo power 2×3570W
16Ω bridge power 1×3000W
8Ω bridge power 1×5100W
4Ω bridge power 1×7140W
Frequency response 20Hz-20kHz(±0.2dB)
THD+N <0.01%
S/N Ratio ≥110dB
Input Sensitivity Optional 41dB/38dB/35dB/32dB
Input impedance 20KΩ(balance),10KΩ(unbalance)
Protect Power supply under voltage protection,power amplifier output DC protection,overheat protection,temperature and power control,overload power control
Power Supply 90-260V ~50-60Hz
Dimension(HxWxD) 45x483x372mm
Weight 9Kg
8Ω Stereo power 4×400W
4Ω Stereo power 4×700W
Frequency response 20Hz-20kHz(±0.5dB)
THD+N <0.1%
S/N Ratio ≥100dB
Input Sensitivity 0.775V
Input impedance 20KΩ(balance),10KΩ(unbalance)
Protect short circuit,DC,temperature,VHF, anti-shock functions
Power Supply 190-260V ~50-60Hz
Dimension(HxWxD) 89x483x357mm
Weight 7.6Kg

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