Powerful Compression Driver. Combine with a Suitable Flare. Ideal for 15″ & 18″ LoudspeakerImpedance: :- :- 8 Ohms Power (f>1.5kHz): :- :- 80Wrms Frequency range: :- :- 1.5-20kHz SPL (1W/1m): :- :- 100dB ñ 2dB Voice coil diameter: :- 1.75″ Weight: :- :- 2.25kg. Horn driver with standard fixing points. This is a powerful compression driver that- combined with a suitable flare will work well with 15″ or 18″ loudspeaker or multi-driver system.. speaker horn