Philips CSP510/93, 2-way, 150 W, 35 W, 4 Ω, 89 dB, 45 - 30000 Hz Philips CSP510/93. Speaker type: 2-way, Peak power: 150 W, Rated power: 35 W. Mounting depth: 4.7 cm, Width: 159 mm, Depth: 159 mm. Woofer magnet type: Ferrite. Quantity per pack: 2 pc(s)