The function of professional amplifier PAIII series. Type PAIII2300 PAIII2400 PAIII2500 Double track output 8Ω2× 300W 4Ω2× 600W 2× 400W 2× 800W 2× 500W 2× 1000W Bridgeable single track 1200W 1600W 2000W Power 1350W 1850W 2350W Size(mm) 480× 510× 132 Weight(kg) 21.3 22 23 Technical Parameter: Total frequenty distortion: 20Hz -20KHz≤ 0.1% Frequenty response: 20Hz - 20KHz± 0.5dB Signal noise ratio: ≥ 95dB Intermodulation distortion: <0.1% Up speed: 45Vus (BTL-M0N0 90V/us) Input impedance: 20KΩ Input level: 0dB Working voltage: AC220V± 5% 50Hz± 2Hz Which may meet your demand. If there isn't, please let us know your specific requirements. We can also produce according to your designated styles. Competitive prices. Don't hesitate contact with me for our mutual benefit, we are looking forward to hear from you! Cooperate pleasure!