Why I perfer bass horns limited excursions allow detail to bass that sub designs lose to excursion and distortions. Also bass horns are always at ease never pushed hard. This again allows more bass detail than subwoofers which need 100 watts or more just to move the cone with such a stiff surround. Toss in the one large null instead of the many peaks nulls that happen with subwoofer systems. This 1 null is located near bass horns so is not a issue at all volume is slightly reduced as you move close to bass horn this is slight and basicaly means bass pressures very even through out room something one subwoofer can not do. And why multiple subs are used in the best HT and music systems. Subwoofers are all about comprimised design small cab thus you need massive power and driver with much excursion that needs boundery reinforcment to generate bass. Trying to get deep bass out of such a comprimised design is mostly sub optimal:)