Reviews for KO Propo KR-407S 2.4Ghz Spread Spectrum 4-Channel Micro Receiver [KOP21001]

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Christopher Philpott
Verified Owner
Tuesday, Mar 4 2014 (about 2 years ago)
KO Propo KR-407S 2.4Ghz Spread Spectrum 4-Channel Micro Receiver
I had been using KR-409S receivers without problem, so I thought I'd give this one a try, being considerably less expensive. I was using it my Losi 22 buggy running on an indoor carpet track, but experienced intermittent loss of signal. After eliminating the ESC and steering servo as the culprits I swapped the KR-407S for a 409S and all was well again. I suspect the problem was the track location rather than the receiver, as it now functions perfectly well controlling VRC Pro on my PC, but I don't really trust it enough to put it back in an actual RC vehicle.
Robert Knasel
Tuesday, Jul 26 2011 (about 5 years ago)
KO Propo KR-407S 2.4Ghz Spread Spectrum 4-Channel Micro Receiver
This is a great receiver, that is recommended for use with the EX-10 Eurus Module. Go to Ko Propo's website, not the Ko Propo USA website to view the compatibility of this receiver. I have used these receivers with my Eurus for over a year now without issue or degregation of performance. This receiver is $50 less than the KR-409s.