P/N. 10718004



4 channel high power amplifier
Switching power supply
Switching amplification
Integrated voltage limiters
Thermal and current protection
Short-circuit protection
Normal and Bridge modes


House of worship / Corporate A/V
Theatres, auditoria and performing arts centers
Live music clubs
Live sound touring/Rental services

The EP Series EP-22K4 offers 4650 W per channel at four ohms. The amplifiers also offer operation in bridge mode.


The rear panel incorporates switches for changing the gain, and selection between standard and bridge modes. Input and output connections are made through XLR connectors. The EP-22K4 is housed in a rugged 2-unit high steel chassis.
Output Power Ratings
Power 8 Ohms, Both Channels Driven4 x 2500 W
Power 8 Ohms Bridged2 x 9500 W
Power 4 Ohms, Both Channels Driven4 x 4650 W
Electronics and Connectors
Amplifier Channels4
Output CircuitrySwitched Amplification
Frequency Response10 Hz-30 kHz
Voltage gain23 – 44 dB (Rear DIPs adjustable)
ControlsPower On/Off, Gain Pots, Rear DIP Switches
Amplifier ProtectionsThermal, Overload, Short Circuit, Over Current
LED IndicatorsIndependent Channel Meters, Clip/VPL, Temp, Mute, VHF, On
Audio Signal Input Connector4 x Balanced Neutrik XLR
Speaker Output Connector4 x Neutrik NL4
Current Draw 230 V / 115 V-/ 30 A
Dimensions ( H x W x D )88 x 483 x 555 mm
3,5 x 19,0 x 21,9 in
Net Weight15,0 kg ( 33,0 lb )
Carton Dimensions ( H x W x D )150 x 600 x 640 mm
5,9 x 23,7 x 25,2 in
Shipping Weight17,0 kg ( 37,5 lb )
Title Format Size
Data Sheet
HT_EP22K4115_00.pdf PDF 235 Kb
User Manual
UM_EP_00_EN.pdf PDF 2.74 Mb
Line Drawing
CAD_2D_IG-A1004.dwg DWG 1.13 Mb