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CA4 Class AB 2U Dual Channel Transformer Power Amplifier

1.Class AB 2 channel amplifier
2.780 watts RMS/channel (2 ohms)
3.600 watts RMS/channel (4 ohms)
4.Bridged-mode operation (1600 watts at 4 ohms)
5.Two rack spaces
6.Variable-speed fan
  • CA4

  • Sanway


1 . Large efficient transformer, bulk capacitor filtered power, have extremely low distortion in full load, more powerful low-frequency control and more clear sound.
2 . 2U standard chassis, with high strength steel structure.
3 . 8 ohms, 4 ohms, 2 ohms load all can be worked for a long time, suit for most regular demand.
4 . Low harmonic distortion (THD<0.05%), and perfect frequency response (20-20kHz).
5 . Professional structure design make sure noise is enough low.
6 . Dual channel progressive cooling system, build in thermostat. Electronic fans cooling the amp from rear to front, avoid overheating.
7 . Adopting SMT Surface Mounting Technology, ensure good consistency.
8 . Soft-start, over-current, short-circuit, overheating, DC, distortion, voltage limiting protect the amp from the damage of man-made and environment.

The CA series dual-channel amplifiers are ruggedly built from high quality components and feature comprehensive protection circuits to protect your amplifier in the real world. Low-noise design and features applicable to "real world" situations make this unit ideal for audio applications. With outstanding efficiency,outstanding sound quality, extended reliability, it is a perfect match for club, church speakers and theaters music.


Model                                                CA4
8 ohm stereo power (RMS)

                                            400w x 2

4 ohm stereo power                                              600w x 2
2 ohm stereo power                                              780w x 2
8 ohm bridged power                                               1200w
4 ohm bridged power                                               1600w
Frequency response (+o/-0.3dB,1W/8Ω) 20Hz-20kHz,-3dB@135kHz
S/N Rate                                                 ›80dB
THD+N (at rated power 1kHz 1W )                                               ‹0.05%
Damping Factor (at rated power 63Hz)                                                ›500
Controlled Slew Rate ( 1kHz tone burst 40dB gain)                                               >-10v/us
Input Sensitivity (X40/36dB ) 0.775v/1.0v/1.4v
Class            Class AB
Input Connectors                3 pin-XLR/RCA/TRS
Output Connectors                        SEPAKON&TOUCH-PROOF BINDING POSTS
Amplifier Protection                          Dc/Short/Temp/VHF/Limit/Softstar
Power Supply AC 115V/230V,50-60Hz
Net Weight                                                   20kg
Dimension 2U: 88X482X400mm






 : JinLe industrial Park, Pingbu Avenue, HuaDu District 510800, Guangzhou China
 : 
+86-20-3770-8242(Working time) 

      +86 13826042826
 : +86 13826042826
 : sanway.audio
 : sales@china-sanway.com



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