as always, Thomson is excellent wireless audio links. The scope and especially the stability is exemplary, even through walls (observed range of about 25m through several walls, beyond the sound is simply cut, not fried so if carrier loss). The automatic scan allows the helmet to attach himself to the right frequency, thus avoiding mishandling. The audio quality is very good and an integrated limiter allows to always have a clean sound without saturation even with a high input level. The base making a charger is handy, and the absence of visible antenna prevents accidental breakage. Autonomy is comfortable (about 8 to 10 am in continuous transmission) The only problem are the supplied rechargeable batteries (NiMH 700mAH in). The charger does not appear to recognize that this ability, if one puts 1000mAh eg, the charger does not fire, probably the fault is calculated only to a charger for battery 700 ...
