Spatial Audio just introduced the all new M3 Turbo S holographic speakers.
Type: 2-way, point source, open-baffle, dynamic driver, controlled directivity
Chassis:: Two Layer HDF (High Density Fiberboard)
Driver compliment: Two 15 inch mid/woofers, one wide bandwidth compression driver
Crossover: 800Hz - Passive - Hologram Network Technology
Frequency Response: 32Hz - 20kHz +/- 3dB in room response
Sensitivity: 94dB - averaged across 200Hz to 5kHz at 1M - on axis
Impedance: 4Ω nominal, 3 Ω minimum, low phase angle.
Recommended amplifiers -tube or solid state 5 Watts and larger.
Dimensions: 42T x 17W x 3D inches, 65 lbs shipping weight each
20 year limited warranty