Professional Power Amplifier – JA4

Professional Power Amplifier – JA4

Powerful, affordable and reliable power amplifier for musicians, DJs, or live sound engineers.

SKU: JA4 Category:

Product Description

2 Channel Class A/B amplifier
2U 19” rackmountable amplifier
XLR input connectivity
Binding post and speakon output connectors
Selectable input voltage (.755V, 1V or 1.4V)
LED power, fault, signal-presence, and clip indicators
Forced-air cooling and automatic speed regulation

  • 8 Ohm Stereo Power: 400W
  • 4 Ohm Stereo Power: 700W
  • 8 Ohm Bridge Power: 1200W
  • 4 Ohm Bridge Power: 1600W
  • Frequency Response (+0/-0.31W/8 Ohm): 20Hz-20KHz (+0/-0.5dB)
  • THD+N: <0.03%
  • Slew Ratio: 20V/µs
  • Damping Factor: 200
  • S/N Ratio: >95 dB
  • Input Sensitivity: 0.775V, 1V, 1.4V
  • Output Circuit Type: Class AB
  • Input Impedance (balanced/unbalanced): 20 KOhm / 10 KOhm
  • Cooling: Forced air cooling, automatic speed regulation
  • Protection: Overheat, Short circuits, DC, Limit and Softstart, Output Relay, Zero Current Switch, Intellectual Clip Limiter
  • Crosstalk: >70 dB
  • Dimension (WxHxD): 17.8“x3.8”x18.9” (453x99x482 mm)
  • Weight: 36.5 lbs (16.6 Kg)

Additional Information

Amplifier Class

Class A/B


2 Channel


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