The Control® 25AV utilizes a deep cabinet high power components and complex network to achieve extremely smooth high fidelity performance from a compact 2-way loudspeakerFeatures : Video shielded for use near video monitors. Extremely smooth frequency response. Stainless steel grill for harsh environments. 60 W transformer for 70 V or 100 V lines with 8 ohms thru. SonicGuard™ overload protection. 130 mm (5.25 in) polypropylene coated woofer 10 mm (.75 in) titanium coated horn-loaded tweeter. Includes InvisiBall® mounting hardware and sealed input panel cover. Screw-down input terminals. 100° x 100° high frequency horn.