Guangdong, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
OEM/ODM Service
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Amplifier, KTV Amplifier, Professional Amplifier manufacturer / supplier in China, offering 450W Professional Feedback Function Power KTV Amplifier (OK-790F), Hot Sales Professional Passive Line Array Speaker, 15 Inch Professional Audio Power Subwoofer Speaker (VR15) and so on.

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Supplier Homepage Products Karaoke amplifier 450W Professional Feedback Function Power KTV Amplifier (OK-790F)

450W Professional Feedback Function Power KTV Amplifier (OK-790F)

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Min. Order / Reference FOB Price
1 Piece US $150-230/ Piece
Production Capacity: 3000-4000 PCS Per Month
Transport Package: Dual Durable Carton, or as Client Order
Payment Terms: T/T, D/P, Paypal, Money Gram, Western Union
Type: Professional Amplifier
Usage: Hi-Fi, AV, KTV System, Club, Disco,Dancing Hall,Theater
Used For: Professional
Tube Type: Transistor Amplifier
Function: Post Amplifier
Sound Channel: 2.0

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Basic Info

Model NO.: OK-790F
Output Number: 2
Voltage: AC 110V
Element Number: Push-Pull Amplifier
Conductive Mode: AB
Brand: Qsn
Series: S
System: 2u
Rate of Power: 450W
Trademark: QSN
Specification: CE, ROHS, CCC, FCC,
Origin: Guangzhou, China
HS Code: 8518400090

Product Description

1)Name: 450w  Professional Feedback Function Power KTV Amplifier(S-779F)cheap price&high quality
2)Model: S-779F
3)Maximun output:
4)Power: 2 X 250W 8ohm
2 X 400W 4ohm
5)Frequency respone: 20Hz-20kHz -0.5dB
6)Signal noise ratio: 86 dB
7)Input sensitivity: 0.25V
8)THD: < 0.5%
9)Input impendance: 20KΩ ;
10)Supply power: 600W
11)Machine dimensions: 430X400X135mm

1)Arena and stage
2)Convention Centers
3)Medium or large Ballrooms
4)Conference rooms
5)Theaters Music
6)Club or Church
7)Concert and music group

About us:
Since the foundation of our enterprises, we have been concentrating on designing new products, doing research on new sound technology, training our staff, as well as improving our quality to products and management system. And now we have had a unique management experience, advanced production equipment, abundant design capability, and the large marketing network and after-sales service system.
Rated output power 8Ω450W× 2350W× 2450W× 2350W× 2
Rated output power 4Ω400W× 2500W× 2400W× 2500W× 2
Frequency response20HZ-20KHZ(+0.5, -0.5dB)
Signal-to-noise ratio89dB86dB86dB86dB
Input sensitivity0.45V0.4V0.24V0.4V
THD≤ 0.05%≤ 0.05%≤ 0.05%≤ 0.05%
Input impedance47KΩ47KΩ47KΩ47KΩ
Supply Rated output pawer1000W800W600W800W
Exchange insurance10A8A5A8A
Net weight16.5KG15KG11.5KG15KG
Package size mm485W× 435D× 135H
Package Package size mm565W× 545D× 225H

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