| Code: | S1300 S2800 S4200 |  |
| Name: | professional amplifier S series |
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Features:
● High power performance amplifier, Motorola transistor,S2800~S4200 class H circuit,S1300 class AB circuit
● 2U~3U steel chassis and 350W~900W power output
● Perfect protection circuit such as over heat, over load, short-cut protection, anti-shock and DC output protection
● Faster reaction speed and higher damping factor
● Limiter protects speaker effectively
● S series can be used under 4Ω stereo or 8Ω stereo load for driving line array speaker system
● Soft starting, turn on delaying and turn off soundless
Specifications:
| Model | S1300 | S2800 | S4200 | |
| Power output (W) 1KHz,0.5%THD+N |
Stereo 8Ω | 350W | 700W | 900W |
| Stereo 4Ω | 500W | 1000W | 1350W | |
| Bridged Mono 8Ω | 1000W | 2000W | 2700W | |
| Frequency response(1W@8Ω) | 20Hz-20kHz +0/-0.1dB | |||
| THD+N(Continuous power, 8Ω/1kHz) | ≤0.01% | |||
| S/N rate (20Hz-20kHz full load) | ≥103dB | ≥105dB | ≥106dB | |
| Slew rate | 60V/us | 80V/us | 80V/us | |
| Damping factor | ≥400:1 | ≥500:1 | ≥550:1 | |
| Cross talk | ≥70dB | |||
| Input impedance | 20KΩ(Balance) /10KΩ(Unbalance) | |||
| Input sensitivity | 0.755V/1.0V/1.55V | |||
| CMRR | ≥75dB | |||
| Voltage gain(@1.44V/1V/0.775V) | 38X/32X/26X | |||
| Input compression ratio | 20:1 | |||
| Dimension(WxDxH) | 483(19")mmx480mmx89(2U)mm | 483(19")mmx480mmx133(3U)mm | ||
| Weight | 20.5kg | 26kg | 27.5kg | |
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