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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: RKB
  • Model Number: K-4300
  • S/N Ratio: >105dB
  • Dimensions: 483x440x88 mm/2U
  • Input Impedance: 20kΩ Balanced,11kΩ Unbalanced
  • Input Sensitivity: 1.2v
  • Frequency Response: 20Hz-20kHz,±0.1dB
  • 8Ω Stereo Power: 300W x4
  • 4Ω Stereo Power: 450Wx4
  • Power Supply: AC 220V/ 50~60Hz
  • Slew rate: 20v/us
  • damping factor: 200:1

Packaging & Delivery

Packaging Details Carton or flightcase at extra cost
Delivery Time 7-15 days

 

     Product information:

                   Model:K-4300

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  Specifications:

Model

K-430

K-460

K-4430

K-4640

K-4580

Picture

 

  

  

 

 

8Ω Stereo Power 

300W x 4

600W x 4

300W x 2+450W x 2

400W x 2+600W x 2

450W x 2 + 800W

4Ω Stereo Power 

450W x 4

900W x 4

500W x 2+700W x 2

600W x 2+900W x 2

700W x 2 + 1200W

Damping factor

400:1

450:1

400:1

450:1

450:1

Slew rate

60v / us

75v / us

60v / us

75v / us

75v / us

S/N Ratio

>104dB

>103dB

>104dB

>103dB

>103dB

T.H.D.

rate power@8Ω 1KHz

≤0.03%

T.M.D.

rate power@8Ω

≤0.01%

Frequency Response

20Hz-20kHz,±0.1dB

Input Sensitivity

0.775v /1.0v / 1.55v

Input Impedance

20kΩ Balanced,11kΩ Unbalanced

Input connectors

XLR Plugs

Stereo/Mono

Stereo, mono bridged and connected

Protection

Overheating, clipping, overcurrent, overload, short circuit.

Power Supply

AC 220v/50~60Hz

Dimensions(W×D×H)

483x480x88mm/2U

483x480x88mm/2U

483x480x88mm/2U

483x480x88 mm/2U

483x480x88/2U

Net W.

22kg

24kg

22kg

24kg

24kg

 

 

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  • Detail shows:

 

   

 

 

 

 

Multi-channels Power Amplifier - K Series

 

 

 

 

 

 

Multi-channels Power Amplifier - K Series

 

 

 

 

 

 

 

Company information:

  •  Production flow chart

 

  •   Exhibition:
 
 
  • Quality certificate
 
 
 
  • Successful project:
 
 

  

FAQ

Q1: How about the delivery time? 
A1: 7-15 days for stock. 

 

Q2: What kind of payments does support? 
A2: T/T, L/C, Western Union, Cash are accepted.

 

Q3: Can you produce according to customers' design? 
A3: We are a professional manufacturer, OEM & ODM are welcomed.

 

Q4:Can you tell me about your main customers? 
A4: That's our customers’ privacy, we should protect their information.

Meanwhile, please rest assured that your information is also safe here.

 

Q5:How to contact us? 
A5:1) Send your inquiry Details in the Below, Click " Send" Now! 
   2) The last photo has
specific contact information. Contact Me!

 

 

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Transaction History of the Supplier

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Transaction Overview

Transactions

Transaction Details

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Shipping Destination
Transaction Value
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Email to this supplier
China (Mainland)
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Supplier's Trade Assurance Limit: US $32,000
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