Most Super Tweeters require a fair amount of mounting depth so we set out to create a shallow solution. The Krome Audio NEO30T tweeters are comprised of a 44mm (1.75″) Pure Grade 5 Titanium (alpha-beta alloy) diaphragm with a 30mm Stainless Steel voice coil and an in-line -18dB/octave crossover. This combination of materials and design resulted in a standard mounting depth tweeter that can keep up with midrange loudspeakers. The NEO30T can be used alone or can be used to make the NEO8 and NEO10 loudspeakers into a co-axial!