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CT SOUNDS | Tropo 18 D4 | 18 Inch Car Subwoofer |600W RMS | 1200W MAX Power | Dual 4Ω (Ohm) | 3" Voice Coil |Kickass | SQ and SPL | Competition Grade | Massive Sound | Powerful Bass - Walmart.com
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DS18 PRO-BX18N.2D Car Subwoofer Audio Speaker - 18" in Neodymium Magnet, 6" Dual Voice Coil, 4 Ohm Impedance, 2500W Rms Power, 5000W Max Power - Reinforced Paper Cone for Outstanding Performance : Electronics
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