Vienna Sphere 8-40 HS ™

The listed price includes a stereo pair of loudspeakers.
Subwoofer companion. 

(Full-Range Satellite 2.1 System), 8” treated paper driver and whizzer cone with copper-aluminum phase-plug, aligned in acoustic suspension with circular baffles in spherical cabinets, rated for up to 40 watts per channel of music power at 7 ohm (nom), frequency response: 45 Hz to 20 kHz, 95 dB sensitivity suitable for extremely low-power tube or solid-state amplifiers of as little as 2 watts per channel (at 8 ohms nom.), wide-dispersion around 120 degrees for even off-axis response, low-distortion neodymium magnet structure, no crossover for superior time coherence and tonal preservation, mechanically damped [Closed Box “Q”: 0.63 Q(tc)] between “Bessel Response” and “Butterworth Response”) designed for time-coherence/ reduced group-delay with some enhanced power delivery / lower extension. Best suited for small to medium-sized listening spaces with a high-quality, low power amplifier.