PA System 100V Pre-Amplifier

• Type: PA Amplifier
• Usage: Hi-Fi, AV, KTV System, Public Address System
• Used For: PA Address System
• Tube Type: Transistor Amplifier
• Function: Post Amplifier, Pre-amplifier
• Sound Channel: 3.1
• Model NO.: LBA-680
• Output Number: 8
• Voltage: AC 220V
• Element Number: Push-Pull Amplifier
• Conductive Mode: D
• Power: 60-1000W
• Place of Origin: Guangzhou ,Cn
• Brand Name: Qqchinapa
• Use: Hotel,School,Airport,Departmen,Church
• Certificate: CE, FCC,RoHS,CB
• Protetion: High Temp,Overload&Short-C
• Factory History: More Than 10 Years
• Warranty: 3 Years
• Deliver Time: 2-25days
• Factory Ability: OEM ODM
• Transport Package: Carton
• Specification: CE, ROHS, FCC
• Trademark: QQ CHINA, Lingba, OEM
• Origin: Guangzhou, Guangdong, China
• HS Code: 8518400090
• Production Capacity: 300, 000 PCS/Year

Product Description

Mixer amplifier (LBA-280, LBA-380, LBA-480, LBA-680, LBA-880, LBA-1000)

Product Features:
1: Three microphone inputs. Two auxiliary inputs, and one auxiliary outputs for link.
2: Transformer isolated 100V, 70V and 4-16 Ohms speaker outputs.
3: A five element LED level meter is provided for quick and easy visual monitoring of the sound level
4: Muting function.
5: Individual volume control, low and high tone control
6: Short circuit protection & alarm
7: with limiter function, music without distortion
8: Series amplifiers of high output power available.

Model	LBA-280	LBA-380	LBA-480	LBA-680	LBA-880	LBA-1000
Line voltage	70-100V	70-100V	70-100V	70-100V	70-100V	70-100V
Sensitivity	230mv\15mv	230mv\15mv	230mv\15mv	230mv\15mv	230mv\15mv	230mv\15mv
Sensitivity	> 80db	> 80db	> 80db	> 80db	> 80db	> 80db
Harmonic distortion	< 0.3 %	< 0.3 %	< 0.3 %	< 0.3 %	< 0.3 %	< 0.3 %
FREQ. RESP	20Hz-20KHz	20Hz-20KHz	20Hz-20KHz	20Hz-20KHz	20Hz-20KHz	20Hz-20KHz
Rated power	280W	380W	480W	680W	880W	1000W
Fuse	F5AL	F5AL	F8AL	F8AL	F10AL	F10AL
Dimension	435*390*90mm	435*390*90mm	435*390*90mm	435*390*90mm	435*390*90mm	435*390*90mm
Weight(KG)	13	14.5	16	18.5	20	21.5

Our Advantage:


1.OEM Ability  ---Over10 years speakers and amplifiers product manufacturer experience .
2.Famous factory ---- We have been the supplier of  2008 Beijing Olympics   China .
3.Quality--- We have strict quality control system with  5 steps of inspection to assure the stability of quality. Certificated with CE,CCC,ROHS,FCC,CB and so on .
4.Competitive    ----  we focus on help our customers to build their brand name to be the famous brand  in their country . 

Our Products:

Speaker :Ceiling speaker,wall speaker,horn speaker,column speaker,garden speaker,project speaker, professnial speaker and so on .

Amplifer:Mixer amplifier, power amplifier,pure amplifier,professianl amplifier and so on .