Warm & Precise Sound Output. 2 Way Speaker. Refined Design. Easy to Install. 100V Line or 8 OhmPower RMS: 60W Sensitivity: 90dB Impedance: 8 Ohm/100V Response: 56hZ – 20kHz Dimensions: 240 x 140mm Weight: 1.75Kg. The CHP-660 is a 2-way high-quality and very versatile ceiling speaker. The 6.5 coaxial loudspeaker produces a warm and generous sound output and can be operated with a 100 V line or at low impedance thanks to its incredible sound box. The speaker has terminal outputs and is easy to install.. ceiling speakers-recessed ceiling speakers-6 inch ceiling speakers