QS-450 Class Ab Big Power Two Channel Professional Power Amplifier 2*450W

• Customization: Available
• Amplification Type: Passive
• Speaker Material: Aluminium
• Model NO.: QS-450
• Adjusting Method: 4 Ohms
• Sound Channel: 2
• Structure: Amplifier
• Function: No
• SNR: 81-90dB
• Place of Origin: Guangzhou, Cn
• Brand Name: Qqchinapa
• 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. CB, CCC. FCC. ROHS
• Trademark: QQ CHINA, Lingba, OEM
• Origin: Guangzhou, Guangdong, China
• Production Capacity: 20000PCS/3months

Product Description

Since2005, over 10 years OEM /ODM experience in Pulic Address System and Professional Audio System ,strict quality control and good price
Product Features

Class AB Professional Amplifier

 

Model	QS-150	QS-250	QS-350	QS-450
Power 8 Ohms	150W*2	250W*2	350W*2	450W*2
Power 4 Ohms	250W*2	350W*2	500W*2	600W*2
Frequency Response THD+N	20Hz-20KHz, below and equal 0.05%	20Hz-20KHz, below and equal 0.05%	20Hz-20KHz, below and equal 0.05%	20Hz-20KHz, below and equal 0.05%
Siew Rate	10V/us	20V/us	20V/us	20V/us
Damiping Factor	Above 100	Above 200	Above 250	Above 250
Singal to Noise Ratio Cross Talk	Above and equal 85dB, Above and equal 60dB	Above and equal 85dB, Above and equal 65dB	Above and equal 89dB, Above and equal 65dB	Above and equal 90dB, Above and equal 70dB
Input Impedance	0.7V	0.8V	0.9V	1.0V
Cooling	2 Fans	2 Fans	2 Fans	2 Fans

Main Functions:
*2 Channels Amplifier, ABdesign,
*Special Cooling System
*Factory competitive price, fast delivery,
*Short circuit,themal,over load,clip limiter,DC Voltage,
*480*410*88MM Size,

Product Advantages:
1.Stable quality,Good price
2.Short product period
3.On time delivery
4.OEM Ability
5.Excellent R&D team