Klipsch RSM 525 Single Music Services & Internet Radio: Focal Aria Evo:Black high gloss Music Services & Internet Radio: 23+ Output Power (8 4 Ohm RMS) 70 W 100 W Frequency Response 5 Hz–100 kHz Total Harmonic distortion 0 Transformer: Multi tap for 70V 100V installations Model: Klipsch RSM 525