Guangdong, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
OEM/ODM Service
Sample Available

Karaoke Amplifier, Digital Amplifier, Amplifier manufacturer / supplier in China, offering Ok-680f 180W Digital Karaoke Amplifier with Feedback Function, P Audio 400W Professional 1u Class D Power Amplifier (D2400), Chinese 600W Class D Professional 1u Power Amplifier (D2600) and so on.

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Supplier Homepage Products Karaoke amplifier Ok-680f 180W Digital Karaoke Amplifier with Feedback Function

Ok-680f 180W Digital Karaoke Amplifier with Feedback Function

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Min. Order: 1 Piece
Production Capacity: 3000-4000PCS
Transport Package: Standard Export Package
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union, cash
Type: Professional Amplifier
Usage: Hi-Fi, AV, KTV System
Used For: Professional
Tube Type: Transistor Amplifier
Function: Amplifier Combined
Sound Channel: 2.0

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Basic Info

Model NO.: Ok-680f
Output Number: 4
Voltage: AC 220V
Element Number: Push-Pull Amplifier
Conductive Mode: AB
Crossover: Internal Crossover
Trademark: qsn
Specification: CE. ROHS, ISO, FCC
Origin: Guangzhou, China
HS Code: 8518400090

Product Description

Product Feature: 

Aluminum alloy Panels and elegant appearance. 
Professional power amplifier circuit design package for the card, power strong, dynamic interpretation of its capability. 
Built-in voice excitation circuit, the knob can be adjusted by the panel the size of excitation signal. 
Short-Circuit protection, DC protection, Over-current protection, Over-heat protection, intelligent fan to control temperature. 
Built-in automatic limiter circuit to ensure the quality of music output, and can more effectively protect the speaker. 
Microphone and music in the regulation are equipped midrange control knob, making the 
Adjustment easier, you can use for different occasions. 
After the panel has two signal output terminals, to facilitate the user to select different signal 
Connections are also equipped with two microphone inputs, user-friendly external wireless microphone.
Rated output power 8Ω250W×2180W×2250W×2180W×2
Rated output power 4Ω400W×2250W×2400W×2250W×2
Frequency response20HZ-20KHZ(+0.5,-0.5dB)
Signal-to-noise ratio86dB83.5dB86dB83.5dB
Input sensitivity0.24V0.21V0.24V0.21V
Input impedance47KΩ47KΩ47KΩ47KΩ
Supply Rated output pawer600W400W600W400W
Exchange insurance5A3A5A3A
Net weight11.5KG10KG11.5KG10KG
Package size mm430W×340D×135H
Package Package size mm500W×440D×180H

Sample and freight
One sample is avaivble for testing in the first cooretation, however, the freight will be collected from your account by curriers. (usally it will be carrier by DHL )
Trade item
Lead time:
1day to7days
Payment item
1. Focus on details
2. Full line pro audio one- stop sevice
3. Well quality control and guarantee free spare parts
4. Customized design is available. OEM/ODM are welcome
5. Unique and fashionable design, your idea we create.  Sample and freight
One sample is avaivble for testing in the first cooretation, however, the freight will be collected 2. Sample and freight
One sample is avaivble for testing in the first cooretation, however, the freight will be collected from your account by curriers. (usally it will be carrier by DHL )
About our company
Established in 2005,Guangzhou Yunqiang Electronic specializes in R&D,design,production and marketing of professional speaker,professional power amplifiers,karaoke speakers and amplifier etc.Backed by high technology and staffed with a professional R&D team and QC team,the factory introduces some advanced electronic testing equipments from Japan,taiwan,ect.Combined with advanced processing lines.Exported to the Asia,Middle East,Europe,Amercia,Africa,etc.Our products enjoy high reputation and meet the demand of the market with the high quality and reasonable price.
Our Main product:
Professional speaker,Line array speaker,subwoofer,professional amplifier,karaoke speaker,karaoke amplifier,Pre-amplifier.
Our location:
Our factory located in Longhu village,Shijing Road,Baiyun district,Guangzhou city,Guangdong Province,China.
Our advantage:
1)our product have passed ISO9001,SGS,CE, CCC, FCC, ROHS, CE-LVD.
2)we are a factory which will provide reasonable price,high quality product and professional service.
3)we have 66 workers with 4 rich experienced engineers for speaker and amplifier.
4) fast delivery and excellent aftersale service
About Acessories:
We will send you the enough connectors and some other spare parts for you free.


1)Dual carton with Foam
2)Carton with external plywood bracket for Speaker 

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