The Electro-Voice MTS-4153-64FWB is a versatile amplified speaker suitable for a variety of indoor and outdoor applications. Whether you're hosting a large event, providing background music in a commercial space, or enhancing the sound quality in an outdoor venue, this speaker is designed to deliver exceptional performance. With its 60x40 degree coverage pattern, it provides a wide and even sound distribution, ensuring that every listener enjoys a clear and immersive audio experience. The speaker is equipped with four 15' woofers and dual coaxial mid/high frequency compression drivers, delivering over 151 dB peak SPL with precise directivity. It features a proprietary Hydra waveform converter and large CD waveguide, maintaining pattern control down to 350Hz. The optimized design with amplifier matching and DSP ensures controlled SPL and coverage. Available in black or white finishes, and with both partially and fully weatherized options, the MTS-4153 delivers high performance for both indoor and outdoor applications, achieving an IP55 rating for dust and water resistance. The speaker measures 43.0' x 43.0' x 43.1' (1092mm x 1092mm x 1096mm) and weighs 353 lbs (160 kg). It has a frequency response of 62Hz - 18kHz (-3dB) and a frequency range of 55Hz - 20kHz (-10dB). The max SPL for music is 151dB, and for speech is 154dB. It has input connections for LF1, LF2, and MHF, and requires LF1 + LF2 (wired parallel) amplifier channels. The LF1 and LF2 have a max input power of 1250W (20ms avg), a max peak voltage of 150V, and a nominal impedance of 8Ω. The MHF has a max input power of 1250W (20ms avg), a max peak voltage of 140V, and a nominal impedance of 6Ω. The connectors are 10 AWG (6mm) Phoenix/Euroblock input and pass through. The enclosure is weather-resistant birch plywood with EVCoat, and the grille is 16-gauge stainless steel with a hydrophobic screen. It has 24x M10 hard points for suspension. The speaker is available in black and is suitable for venues, events, and commercial spaces looking for high-quality audio solutions.