Audax tweeters feature high-energy neodymium magnets and ferrofluid cooled voice coils in compact units, at very reasonable prices. Audax TM020J7 TweeterThis tweeter features an optimized pre titanium dome profile, high energy neodymium magnet, ferofluid cooled voice coil, inherently sheilded… Audax TM025F7 TweeterThis tweeter features an optimised pure titanium dome profile, high energy neodymium magnet, ferrofluid cooled voice coil, and soft polymer…