power amplifier LA series for profesional user, the specification is below,

Model	LA300	LA400	LA600	LA800	LA1200
Output 8Ohms 1KHz0.1% THD stereo Mode:	2 x 300W	2 x 400W	2 x 600W	2 x 800W	2 x 1200W
Output 4Ohms 1KHz0.1% THD stereo Mode:	2 x 450W	2 x 600W	2 x 900W	2 x 1200W	2 x 1800W
Output 2Ohms 1KHz0.1% THD stereo Mode:	unavailable	2 x 800W	2 x 1100W	2 x 1400W	2 x 2400W
Output 8Ohms 1KHz0.1% THD bridge Mode:	700W	1000W	1800W	2000W	3600W
Output 4Ohms 1KHz0.1% THD bridge Mode:	unavailable	1200W	2000W	2400W	4800W
Signal / noise:	103dB	105dB	105dB	106dB	106dB
Slew Rate:	60v/μs	60v/μs	80v/μs	80v/μs	80v/μs
Damping factor:	400:1	450:1	500:1	550:1	550:1
Fuse:	T8A	T10A	T12A	T15A	T20A
Power Supply:	220V 50/60Hz
Input Sensitivity:	0.775V,1.0V,1.55V
Frequency Response @1 Watt into 8 Ohm:	±0.1dB, 20Hz -20kHz
THD+N:	≤0.01% @ 8Ω1kHz
IMD:	≤0.01% @ 8Ω at rate output
Input Impedance:	20k Ohm Balanced or10k Ohm Unbalanced
Crosstalk at Rated Output 8 Ohms 1kHz:	≤-70dB
Imput CMRR:	≤-75dB
Indicators:	Signal, Protect, Clip, Limited
Net Weight:	16kgs	17kgs	28kgs	30kgs	35kgs
Dimensions:(mm)	483W x 420D x 88H		483W x 490D x 88H		3U