Professional power amplifier for professional user. Professional power amplifier LA series is very famous for its high performance with very competitive price. The power range from 300 watt to 1200 watt each channel at 8 ohm stereo. the biggest power at 4 ohm is 1800 watt. This kind of amplifier can work properly at 2 ohm stereo. This series has many style of front panel for different looking. To make it easily to be carried, there are three style of handle to add to the front panel for moving the items. This series has strong case to hold all the component inside, high effective transformer, big capacity of capacitor, famous brand name of Toshiba transistor to ensure the high quality and excellent sound. The completely function as below, (1). Toshiba transistor (2). Soft start. (3). DC protect. (4). Overheat protect when the temperature of amplifier over 95°C (5). Overload protect. (6). Short circuit protect. (7). Limiter function. (8). Crossover inside to cut off the low frequency to protect your speaker. (9). Bridge and parallel mode for choosing. (10). Sensitivity input selection. (11). Output impedance selection (4 ohm & 8 ohm) (12). Ground selection. (13). Very effective cooling system. The speed of the fan is adjustable according to the temperature.