PVXp 12 Loudspeaker 3602450Sound Pressure Level the real measure of a powered speaker! SPL (sound pressure level) is also commonly referred to as efficiency and sensitivity. This parameter is a measure representing a speaker's loudness. A higher SPL equates to a louder speaker. The PVXp 12 powered enclosures deliver higher SPL while providing high fidelity and impressive power using Peavey's legendary speaker and amp technology. These enclosures bring 800 watts peak of crystal