4-watt capacity 8" cone speaker for excellent audio quality 6 different power taps available (4, 2, 1, 1/2, 1/4, 1/8 W) T725 4-watt transformer Off-white enamel over steel grille ( W versions) Bright white enamel over steel grille ( U versions) Pre-assembled for faster installation Works with both 70V and 25V amplifier outputs Available with volume control recessed or with knob (VR and VK models only) Screw terminals (BR models only) 6 oz. or 10 oz. magnet weights