Gonsin Conference Equipment Co., LTD.
Gonsin Conference Equipment Co., LTD.

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Power Amplifier

Audio Power Amplifier
Audio Power Amplifier
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GX-PA5005 /5006 /5007 / 5008 /5009 /5010 /5011, GX-PA5012 /5013 /5014 /5015 /5016 /5017
GX-PA5018 / GX-PA5019 / GX-PA5020

Power Amplifier GX-PA5005 /GX-PA5006 /GX-PA5007 / GX-PA5008 /GX-PA5009 /GX-PA5010 /GX-PA5011 and GX-PA5012 /GX-PA5013 /GX-PA5014 /GX-PA5015 /GX-PA5016 /GX-PA5017

Power Amplifier


The new compact design, small and light, beautiful and generous, the front panel has a power switch, a separate channel gain control knob, and has the function of stereo and parallel selection. It has short circuit, overheating, overload, over current, output DC, soft start protection, current fuse protection, and transformer overheat protection. High-quality components are selected to realize the high-fidelity restoration of the circuit. At the same time, the temperature automatic compensation constant temperature technology is used in the chassis, the circuit automatically detects and adjusts intelligently, and the internal fan is used for strong heat dissipation, so that the equipment can maintain a stable working state for a long time.


Features of Power Amplifier GX-PA5005 /GX-PA5006 /GX-PA5007 / GX-PA5008 /GX-PA5009 /GX-PA5010 /GX-PA5011 and GX-PA5012 /GX-PA5013 /GX-PA5014 /GX-PA5015 /GX-PA5016 /GX-PA5017

  • Finished aluminum panel, beautiful and generous 

  • Adopt high-power, low-noise amplifier circuit, high-fidelity restoration, support 4/8 ohm fixed resistance output 

  • Multi-channel design, with 2/4 channel models optional 

  • Transparent human voice and stable performance 

  • With short circuit, overheating, overload, over current, output DC, soft start, current fuse protection, transformer overheating protection 

  • Front panel power switch, separate channel gain control knob and signal indicator for convenient control and status monitoring 

  • Provide XLR signal input, 2-channel model also supports signal loop out 

  • Configure NL4MP speakon interface to connect speakers, 2-channel models also support line pole speakers 

  • Efficient air duct design, with high-density copper radiator and constant temperature intelligent temperature adjustment circuit, has good heat dissipation effect and extremely low working noise, ensuring high stability of the machine 

  • With power intelligent constant technology, when the power amplifier connected to the load is lower than the rated range, the output power is intelligently controlled to be constant in a safe and reliable working range, which greatly improves the stability of the power amplifier

  • Adopt resonant soft switching technology to prevent the impact sound generated by conventional power switches 

  • With a high-power toroidal transformer to provide reliable energy for the whole machine, it supports a wide working power supply voltage of AC180~250V, and solves the problem of equipment failure and damage caused by voltage fluctuations 

  • Suitable for conferences, multi-function halls, broadcasting, background music, etc.


Technical Specifications of Power Amplifier GX-PA5005 /GX-PA5006 /GX-PA5007 / GX-PA5008 /GX-PA5009 /GX-PA5010 /GX-PA5011 and GX-PA5012 /GX-PA5013 /GX-PA5014 /GX-PA5015 /GX-PA5016 /GX-PA5017


2-channel Power Amplifier Technical Specifications


ModelGX-PA5005GX-PA5006GX-PA5007GX-PA5008GX-PA5009GX-PA5010GX-PA5011
RMS power (8 ohms stereo)2×300W2×400W2×600W2×800W2×1300W2×1600W2×2000W
RMS power (4 ohms stereo)2×450W2×600W2×900W2×1200W2×1950W2×2400W2×3000W
Frequency response20Hz-20kHz(±0.3dB)
Total harmonic distortion<0.05%@8Ω 1kHz
Signal to noise ratio>105dB
Conversion rate40V/μs
Damping coefficient>550@8Ω
Crosstalk>100dB@8Ω 1kHz
Input sensitivity0.775 V 1.0V
Input impedance20kΩ balanced/10KΩ unbalanced
Input connector2×XLR
Output connector2×XLR, 2×SPEAKON
Front panel controlpower switch, volume adjustment knob (independent control of each channel)
Rear panel controlpower amplifier mode (stereo, parallel) switch, sensitivity switch
Protection functionDC, short circuit, overheating, soft start
Power supplyAC180~250V 50~60Hz
Maximum power consumption710W940W1410W1880W3060W3760W4710W
Product size (W×D×H)483×464×88mm
Packing size (W×D×H)585×565×145mm
Net weight16kg16.8kg17.3kg17.8kg19.7kg20.7kg27.1kg
Gross weight17kg17.8kg18.3kg18.8kg20.7kg21.7kg28.1kg

4-channel Power Amplifier Technical Specifications


ModelGX-PA5012GX-PA5013GX-PA5014GX-PA5015GX-PA5016GX-PA5017
RMS power (8 ohms stereo)4×300W4×400W4×600W4×800W4×1300W4×1600W
RMS power (4 ohms stereo)4×450W4×600W4×900W4×1200W4×1950W4×2400W
Frequency response20Hz-20kHz+0/-0.5dB
Total harmonic distortion<0.05%@8Ω 1kHz
Signal to noise ratio>105dB
Conversion rate40V/μs
Damping coefficient>550@8Ω
Crosstalk>100dB@8Ω 1kHz
Input sensitivity1.0V
Input impedance20KΩ balanced/10KΩ unbalanced
Input connector4×XLR
Output connector4×XLR, 4×SPEAKON
Front panel controlpower switch, volume adjustment knob (independent control of each channel)
Rear panel controlpower amplifier mode (stereo, parallel) switch, sensitivity switch
Protection functionDC, short circuit, overheating, soft start
Power supplyAC180~250V 50~60Hz
Maximum power consumption1410W1880W2820W3760W6120W7530W
Product size (W×D×H)483×464×88mm
Packing size (W×D×H)585×565×145mm
Net weight17.2kg18.4kg19.2kg20.8kg24.1kg25kg
Gross weight18.2kg19.4kg20.2kg21.8kg25.1kg26kg


Power Amplifier GX-PA5018 / GX-PA5019 / GX-PA5020

Power Amplifier GX-PA5018 / GX-PA5019 / GX-PA5020

The new compact design, small and light, beautiful and generous, the front panel has a power switch, a separate channel gain control knob, and has the function of stereo, parallel and bridge mode selection. It has short circuit, overheating, overload, over current, output DC, soft start protection, current fuse protection, and transformer overheat protection. High-quality components are selected to realize the high-fidelity restoration of the circuit. At the same time, the temperature automatic compensation constant temperature technology is used in the chassis, the circuit automatically detects and adjusts intelligently, and the internal fan is used for strong heat dissipation  so that the equipment can maintain a stable working state for a long time.


Features of Power Amplifier GX-PA5018 / GX-PA5019 / GX-PA5020

  • Brand new compact design, small and light 

  • Finished aluminum panel, beautiful and generous 

  • It has professional protection circuit and advanced heat dissipation system 

  • High fidelity reduction circuit, supporting 4 / 8 ohm constant resistance output 

  • High density copper radiator and intelligent temperature regulation ensure the high efficiency and stability of the equipment 

  • Wide working power supply voltage AC180~250V 

  • Transparent voice and stable performance 

  • Suitable for conferences, multi-function halls, broadcasting, background music, etc.


Technical Specifications of Power Amplifier GX-PA5018 / GX-PA5019 / GX-PA5020


ModelGX-PA5018GX-PA5019GX-PA5020
RMS power (8 ohms stereo)2×300W2×400W2×600W
RMS power (4 ohms stereo)2×450W2×600W2×900W
RMS power (8 ohms bridge mono)900W1200W1800W
Frequency response20Hz-20kHz(±0.3dB)
Total harmonic distortion<0.05%@8Ω 1kHz
Signal to noise ratio>105dB
Conversion rate40V/μs
Damping coefficient>550@8Ω
Crosstalk>100dB@8Ω 1kHz
Input impedance20KΩ balanced/10KΩ unbalanced
Input sensitivity0.775V/1.4V
Front panel controlpower switch, volume adjustment knob (independent control of each channel),
power amplifier mode (stereo, parallel, bridge) switch
Rear panel controlPower amplifier mode (stereo, parallel, bridge), sensitivity switch
Protection functionDC, short circuit, overheating, soft start
Power supplyAC180~264V 50~60Hz
Maximum power consumption705.8W941.1W1411.7W
Size483×385×88mm
Packing size (W×D×H)580×475×145mm
Net weight10.9kg13.2kg14.2kg
Gross weight12.5kg14.6kg15.8kg






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