เครื่องขยายสัญญาณเสียงระดับมืออาชีพรุ่น FP3000 ชนิดเอาต์พุตกำลังสูง

The RF-AUDIO FP series professional power amplifier is developed for high end market with most powerful output and most reliable performance. Its superb quality has got trust from both China and Oversea markets. It is very popular to all customers since it is released to industry. 

Features: 
1, Toroidal transformer, extra sufficient capacitor as power supply. 
2, Using 2 step amplifying circuit for 400watt to 800watts/8ohm. 3 step amplifying circuit for 900watts to 1500watt/8ohms, that can ensure more efficient and less heat loss. 
3, Using SMT components for low voltage and current circuit prevent from making noise and signal loss. 
4. Dual, variable speed fans each channel. 
5. Male and Female XLR inputs. 
6. Speakon and 4 binding post speaker outputs. 
7. Mode selector is available for stereo, parallel and bridged-mono operation. 
8. Input sensitivity selection, 
9. Crossover and grounding left switches are selectable. 
10. Limiter button for use in rear panel. 

Protestion system: 
1. Turn on/off protection: For 4s at turn on and off amplifier output will be muted
2. Clip limiter: Prevent severely clipped waveforms from reaching loudspeakers, while remaining full peak power output. 
3. DC protection: Protect against infrasonic signal at the output. 
4. Overheat protection: Amplifier will turn into protected while high temperature. 
5. Short circuit protection: Protect the amplifier from short circuit.