Genelec 8340APM loudspeaker 2-way Grey Wired 300 W38 Hz 22 kHz, 110 dB, Woofer 150 W + Tweeter 150 W, 8. 4 kg The Genelec 8340A has quickly established itself as the trusted monitoring choice of facilities worldwide. Boasting a 6 1 2 inch woofer plus Genelecs most efficient Class D amplification to date, the two way, Class D bi amplified monitor represents a finely balanced union of acoustic expertise and SAM innovation. At the heart of the system is an acoustic design shaped by decades of innovation