Photo 1 of ALTO TS18S - 2500W 18" Subwoofer, Powered PA Speaker with 6 Selectable DSP Modes, Easy Setup, 137 dB, 3" Voice Coil, Superior Bass

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Photo 1 of ALTO TS18S - 2500W 18" Subwoofer, Powered PA Speaker with 6 Selectable DSP Modes, Easy Setup, 137 dB, 3" Voice Coil, Superior BassPhoto 2 of ALTO TS18S - 2500W 18" Subwoofer, Powered PA Speaker with 6 Selectable DSP Modes, Easy Setup, 137 dB, 3" Voice Coil, Superior BassPhoto 3 of ALTO TS18S - 2500W 18" Subwoofer, Powered PA Speaker with 6 Selectable DSP Modes, Easy Setup, 137 dB, 3" Voice Coil, Superior Bass