The GX1577 is a coaxial loudspeaker that provides the output capability and pattern control of a conventional premium 2-way system, but with the directional consistency and crisp transient response that only a coaxial transducer can provide. The GX1577 is a coaxial loudspeaker that provides the output capability and pattern control of a conventional premium 2-way system, but with the directional consistency and crisp transient response that only a coaxial transducer can provide.