Product Parameters Sinbosen 2 Channel Professional Sound Stereo Audio Fp14000 Power Amplifier FP7000 FP9000 FP14000 FP6000Q FP10000Q FP20000Q FP22000Q 8 ohm Stereo Power (RMS) 1500WX2 1800WX2 2400WX2 700WX4 1350WX4 2200WX4 2500WX4 4 ohm Stereo Power (RMS) 2800WX2 3000WX2 4400WX2 1300WX4 2100WX4 4000WX4 4650WX4 8 ohm Bridged Power (RMS) 5600W 6000W 8800W 2500WX2 4200WX2 8000WX2 9300WX2 4 ohm Bridged Power (RMS) 7000W 9000W 14000W 3000WX2 5000WX2 9000WX2 15000WX2 Frequency Response(+o/-0.3dB,1W/8&Omega;): 20 Hz - 34 kHz THD 20 Hz - 20 kHz for 1W: <0.1% 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 Class: TD TourClass Protection: ACL, IGM, AutoRamp, short circuit, DC voltage, turn on/off transient, current inrush, sub/ultrasonic input Operating voltage, 220V / 110V nominal: 180-240 V / 90-130 V selectable Voltage Gain(dB): 23, 26, 29, 32, 35, 38, 41, 44 dB selectable Input impedance: 20 kOhm Level adjustment (per ch.): Front panel potentiometer, 31 positions detented from -inf to 0 dB Feature 2 Channel Class TD Switching power amplifier. 2 x 4,400 Watts into 4 Ohms,2 x 2,400 Watts into 8 Ohms Separately controllable on Gain. Scalable Voltage Peak Limiter (VPL). Bridge-mode operation for Touring Applications. Comprehensive protection scheme. Neutrik XLR* /speakon connectors. Use high-quality capacitor 3300uf 200V. Creat SUPER sound quality,good for 2 units 18 inch subwoofer. High quality fans from TaiWan. Extended heatsink board to 64 mm. Why choose us? 1.Three years warranty, free accessories.If there are quality problems,provide pictures or video, engineers judge the problem and provide after-sale support Products with CE ROHS certification. 2.We are 10 years manufature about professional audio speaker and power amplifier 3.Our engineers have 10 years work experience, very professional. 4.The product is light and suitable for performance and conferences. 5.There is no minimum order quantity limit ,you can choose to order 1pc or 1000000pcs.No limit about quality. 6.Products with CE ROHS certification. If you are interested in our products, please contact us