Professional Amplifier High Power Class D Design with Ka4.4

• Type: Professional Amplifier
• Usage: Hi-Fi, AV, KTV System, AV, KTV System, Conference Hall,Stadium,Multi-Func
• Used For: Professional
• Tube Type: Transistor Amplifier
• Function: Pre-amplifier
• Sound Channel: 2X400W
• Model NO.: KA4.4
• 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 organization
2) Product quality: Superior speaker and amplifier, top technology and quality.
3) Certificate: CE,RoHS,SGS,ISO9001,ISO14001,ISO27001,ISO20000-1,ISO18001
4) Monthly Production Capacity: 2000pcs
5) Fast delivery: Get your order when you need it.
6) 5000 square meters workshop, with about 200 workers and 20 professional engineers
7) Professional and Skilled in audio knowledge  ---can design complete audio system for you
8) Convenient Transportation: 1 hour to Guangzhou port
9) 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