OHM Power amplifier LA 4OHM LA 4 OHM LA amplifiers are highly reliable, rugged powerhouses built using conventional analogue output stages and power supplies. Large quantities of these sweet sounding analogue amplifiers are in daily use worldwide. Some industry leading models may sound wonderful, others may be tough, but only a handful of products such as OHM CFUs combine subtlety and delicacy of audio performance with brute power and reliability. LA 4 Amplifier 1300W @ 8