J uses the bose E402 4 years I m used to add sound to start a competition terain of equity through its point that I considered as strong:
- Completely waterproof
- Sound carries very far (distance of 100 meters terain competition or the sound should not be very powerful at the source Audible (not to break the ears of horses he had nothing demmander n !!!))
then I have to test win as a forum for parties to apoint and slap a lot to being the size of HP.
is the price of 5000 francs to 100 Watts piece c or expensive course, but find the equivalent.