Professional power amplifier 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. Professional power amplifier LA series has full range power for you to choose for different application. 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. SPECIFICATIONSModelLA350LA450LA650LA850LA900LA1200Output 8Ohms 1KHz0.1% THD stereo Mode:2 x 300W2 x 400W2 x 600W2 x 800W2 x 900W2 x 1200WOutput 4Ohms 1KHz0.1% THD stereo Mode:2 x 450W2 x 600W2 x 900W2 x 1200W2 x 1500W2 x 1800WOutput 2Ohms 1KHz0.1% THD stereo Mode:unavailable2 x 800W2 x 1100W2 x 1400W2 x 2000W2 x 2400WOutput 8Ohms 1KHz0.1% THD bridge Mode:700W1000W1200W1600W2000W2400WOutput 4Ohms 1KHz0.1% THD bridge Mode:unavailable1200W1800W2400W3000W3600WSignal / noise:103dB105dB105dB106dB106dB106dBSlew Rate:60v/μs60v/μs80v/μs80v/μs80v/μs80v/μsDamping factor:400:1450:1500:1550:1550:1650:1Fuse:T8AT10AT12AT15AT20AT25APower Supply:220V 50/60HzInput Sensitivity:0.775V,1.0V,1.55VFrequency Response @1 Watt into 8 Ohm:±0.1dB, 20Hz -20kHzTHD+N:≤0.01% @ 8Ω1kHzIMD:≤0.01% @ 8Ω at rate outputInput Impedance:20k Ohm Balanced or10k Ohm UnbalancedCrosstalk at Rated Output 8 Ohms 1kHz:≤-70dBImput CMRR:≤-75dBIndicators:Signal, Protect, Clip, LimitedNet Weight:16kgs17kgs28kgs30kgs35kgs40kgsDimensions:(mm)483W x 420D x 88H483W x 490D x 133H