see more 		Crest LA1201 power amp
Power amplifier for soun systems Crest LA1201/2X300watt,4 ohm stereo/
Secondhand, Price - 233 USD

see more 		Power amplifier Oberton B802
2X400watt stereo at 4-8ohm,1X800watt at bridge mode,made in Bulgaria
New, Price - 500 USD

see more 		QSC power amplifier 1300
One of the best american made power ampliffiers by QSC. 1300 - 2X400watt,2X600watt,1X1000watt at 8,4 and 2 ohm !
Secondhand, Price - 380 USD