Gold Member Since 2013
Audited Supplier
Guangzhou YunQiang Electronics Co., Ltd.

Amplifier, Audio Amplifier, Power Amplifier manufacturer / supplier in China, offering 2u 450W 2 Inch Professional High Power Audio Amplifier (QA5145), Ca16 500W PRO Audio Power Amplifier, S218 1200W Dual 18 Inch High Performance Powered Subwoofer and so on.

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Supplier Homepage Product Professional Amplifier 2u 450W 2 Inch Professional High Power Audio Amplifier (QA5145)

2u 450W 2 Inch Professional High Power Audio Amplifier (QA5145)

FOB Price: US $100-200 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100-200/ Piece
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Production Capacity: 2000-4000 Per Month
Transport Package: Standard as Export Package
Payment Terms: T/T, D/P, Paypal, Money Gram, Western Union, cash

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Basic Info
  • Model NO.: QA5145
  • Usage: Hi-Fi, AV, KTV System, Outdoor,Pubs,Stage
  • Tube Type: Transistor Amplifier
  • Sound Channel: 2.0
  • Voltage: AC 220V
  • Conductive Mode: AB
  • RMS: 450W
  • Trademark: QSN
  • Origin: Guangzhou, China
  • Type: Professional Amplifier
  • Used For: Professional
  • Function: Post Amplifier
  • Output Number: 2
  • Element Number: Push-Pull Amplifier
  • Brand: Qsn
  • Protection: Overheat Protection
  • Specification: CE, CCC, FCC, SGS, RoHS, ISO9001
  • HS Code: 8518400090
Product Description

1)The QA series amplifier are using the famous OnSemi transistors.
2)Also it using the special good quality capacitor and electrolysis.
3)It adopts SMT technology.
4)The fans are intelligent fans and it can reach silence working which can be used in the concert
5)The QA amplifier has perfect dynamic limiter system,it can protect the speaker system very nicely,also it can insure the sound
6)The circuit protection way is fully,also can be worked at extremely conditions.
7)The amplifier can be worked at bridged mode.

8ohms Stereo450W600WX2800W 1000WX2
4ohms Stereo800W950WX21350W1650WX2
4ohms Bridged1600W2200W2800W 3400W  
Low cut30Hz  Low cut
work modeStereo/parral/bridged
fans working way intelligent speed adjustment
connector(each channel)
input connectorXLR(6.3&)
output connectorNL4 speakon connectors
balance input 20K
unbalance input10K
mixed voice reduction ≥60dB
RMS 8ohms≥103dB
damp factor≥650
THD ≤0.08%
speed rate ≥25V/μs
Output circuit Mode Class ABClass H+
Net Weight19KG21KG25KG27KG
Product size484W × 380D × 88H484W × 460D × 88H
package size(mm)590W × 520D×145H590W × 600D×145H
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