I haven't heard the ProMedia v.2-400 or the Monsoon MM-2000. The Monsoon's use a planar technology for the satellites rather than cones.
Has anyone heard both and can compare?
http://www.monsoonpower.com/index_mmedia.htm
Monsoon MM-2000 is a five-piece
surround-sound system that couples PFT? Planar Focus Technology with the
awesome power of a 340-watt amplifier to
deliver amazing 3D audio at astonishing
output levels. Comes with one powered
subwoofer with two passive radiators, four
flat-panel satellite speakers with adjustable
stands, and one surround-sound control module.
Just U.S. $299.00. Optional floor stands
available separately for U.S. $99.00. Click "Get
Technical" for picture of stands.
MM-2000 System Specifications:
Satellites: 4 x 8 inch dipole-radiating
planar magnetic transducer*
Satellite enclosure: None
Amplifer power: 340 Watts total system
power: 4 x 60 Watts, satellite
transducers;* 100 Watts, subwoofer
Crossover: 24 dB/oct high-pass @ 200
Hz for satellites; 18 dB/oct low-pass @
200 Hz for subwoofer
Subwoofer drive unit: 6.5 inch cone,
magnetically shielded; Xmax = +/- 6mm
Passive radiator units: 2 x 6.5 inch cone
Subwoofer cabinet: 16-liter, tuned to 45
Hz; 10" H x 14" W x 12" D
Controls on subwoofer: Power on/off
Controls on surround-sound control
module: Master volume, bass volume,
fader control, headphone jack and mute
System frequency response: 35 Hz to
20kHz (in workstation environment)
Maximum SPL at .5 m: 108 dB using
EIA 426B noise