Hertz Cento CX 130 5.25 Inch 13cm 2 Way Car Door Coaxial Speakers 50w RMS PairHertz CX 130 130 (5) mm (in.) Coaxials 150 W 4 Ohm Coaxial loudspeakers represent a major design challenge due to the critical nature of their acoustic output, being installed in an OEM placement often unfavorable to reproduction. For this reason, in order to achieve high performance, a great engineering effort was put into place, promptly addressed by our R&D team. The Cento two way coaxials CX 130 features the new 24 mm (0. 9 in.) Tetolon dome