At first glance Frisby's FS-9300 and FS-6200 are exactly the same units. The only difference between the two are 2 Auxiliary, Optical and Coaxial connection options on the FS-93000. These options place the FS-93000 in the ascendancy and make it an ideal place to connect your game consoles, portable music players and -of course- your home theater system.

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Frisby's speakers work at 2.4 Ghz, the same band many devices operate on. Your wireless Internet connection is the first obvious one. So if the speakers' band intersects with your Internet connection then you will need to shut down one of them. Second, the system says that it achieves 5000 Watts of PMPO (Peak Music Power Output), which is not believable for the price. If speaker system costing under $350 can provide this output and a speaker system that costs over $700 provides an output of 125 Watts (from JBL) then we have to wonder why. The system cannot deliver satisfactory results. Having tested this system in an isolated place in an electronics shop, I can say that it can only deliver decent results in a 20-square-meter radius in a sound-isolated room with no dect handsets or wireless internet connections. As my ears heard, the sound output is about 20 Watts per satellite (again, this is not an actual measurement though; I would be very happy to receive your measurement results). Unless you place the speakers in such a room, I strongly suggest you keep well clear of these speakers and keep your cables.
The Frisby FS-93000 comes in at $320 and the FS-6200 comes in at $300 from Amazon.com.