High performance: Enhanced Sound,Low distortion Rate and Extended range with quality strong performance. Ideal for DIY bookshelf speakers or bluetooth multimedia computer speakers. Features: The MR3AT19R is equipped with a 0.75″ copper voice coil and offers 83 dB sensitivity for clear, bright soun...

12" Dual 4 ohm ID MAX V.4 Series Subwoofer | Pressed paper composite cone woofer | Parabolic EPDM rubber surround | Over 2" long linear excursion | RaDiaToR cooling system for heat dissipation | Radiant Diametric Torsional Reinforcement | High compliance suspension design | Flat spider with NOMEX cl...

15" Dual 2 ohm ID MAX V.4 Series Subwoofer | Pressed paper composite cone woofer | Parabolic EPDM rubber surround | Over 2" long linear excursion | RaDiaToR cooling system for heat dissipation | Radiant Diametric Torsional Reinforcement High compliance suspension design | Flat spider with NOMEX clot...

Sundown Audio SD-3 8 D2 8" 300W RMS Dual 4-Ohm SD Series Subwoofer Power Handling: RMS Power = 300-watts Voice Coil Configuration: Dual 4-Ohm Under-Hung low distortion motor topology Solid pole piece with chamfered edges Specifications: DC Resistance (Re): 6.1 Ω Resonance Frequency (Fs): 46.4 Hz Eq...

Sundown Audio U-18 D4 18" 1500W RMS Dual 4-Ohm U-Series Subwoofer Specifications: DC Resistance (Re): 6.1 Ω | Resonance Frequency (Fs): 31.4 Hz | Equivalent Volume (Vas): 135.4 L | Electrical Q Factor (Qes): 0.42 | Mechanical Q Factor (Qms): 3.55 | Total Q Factor (Qts): 0.38 | Voice Coil Inductance...