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Sanway Professional Audio Equipment Co.,Ltd

FB-4K 2 OHMs Stereo Power 2000W Per Channel 230V Concert Amplifier Church Amplifier

1. Efficient cooling system, pure copper heatsink 2. Brand new 3300uf capacitor 3. the (low) pressure protection, output overload and short circuit protection. 4. Metal Packaging, high-power transistors ,passionate, authentic audio effects. 5. Removable face Network

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Product Details

FB-4K 2 Ohms Stereo Power 2000w Per Channel 230v Concert Amplifier Church Amplifier

FB-4K is the smallest powerful in FB series 2-channel power amplifier, it is 850w per channel at 8ohms load, 1600w per channel at 4ohms load, and it is stable on 2ohms load.
To meet the demands for a flexible gain structure in the system, Sanway offers a multiple position gain switch for the FP and FB series power amplifiers. The maximum amplifier gain can be set to all industry standards: 23, 26, 29, 32, 35, 38 ,41 and 43 dB.


1. Two-channel flexibility 

2. Regulated switch mode power supply 

3. Patented Class TD amplifier topology 

4. Multiple positions Gain switch 

5. Pure copper Efficient cooling system




8ΩStereo Power(RMS)


4ΩStereo Power(RMS)


2ΩStereo Power(RMS)


8ΩBridged Power(RMS)


4ΩBridged Power(RMS)


Output Power

20-20kHz, 1W with 1 khz

Frequency Response(+o/-0.3dB,1W/8Ω)

20 Hz - 34 kHz

THD 20 Hz - 20 kHz for 1 W


Signal-to-Noise Ratio

>112 dBA

Channel separation (Crosstalk) at 1 kHz

>70 dB

Input Connectors (per channel)

3-pin XLR, electronically balanced

Output Connectors (per channel)

Binding Posts 2-pole



TourClass Protection

AutoRamp,short cricuit, DC voltage, turn-on/off transient,current nrush

Operating voltage

220V Version: 130-265 V / 110V Version: 65-135 V selectable

Voltage Gain(dB)

23, 26, 29, 32, 35, 38, 41, 44 dB selectable

Input impedance

20 K ohms

Level adjustment (per ch.)

Front-panel potentiometer, 31 position detented from -inf to 0 dB

Dimensions (W×H×D)


Packing dimension


Net weight(kg)


Gross weight(kg)


Should you're looking for fb-4k 2 ohms stereo power 2000w per channel 230v concert amplifier church amplifier, welcome to buy with us. We are one of the leading such manufacturers and suppliers in China. We can guarantee you the high quality and good performance of the appliance. Check the price list and quotation with our factory now.

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