Best 65 Inch Car Audio Subwoofers in 2026

SA-8 V.3 D2 - Sundown Audio 8" 500W RMS Dual 2-Ohm SA Series Subwoofer

Specifications: DC Resistance (Re): 3.36 Ω | Resonance Frequency (Fs): 38.29 Hz | Equivalent Volume (Vas): 6.88 L | Electrical Q Factor (Qes): 0.324 | Mechanical Q Factor (Qms): 6.310 | Total Q Factor (Qts): 0.309 | Force Factor (BL): 18.94 NA | Moving Mass (incl. Air Load) (Mms): 144 g | Suspension Compliance (Cms): 120 μm/N | Sensitivity: 82.79 dB 1w / 1m

Box Recommendations: Sealed Enclosure Suggestion: Not Recommended | Ported Enclosure Suggestion: 0.5 - 0.75 cu. ft. @ 35 Hz | Displacement: 0.08 cu. ft. | Depth: 6.625 in |Outside Diameter: 8.375 in | Cutout: 7.375 in

RMS Power: 1000-watts

High Temperature copper voice coil wire

Spring Loaded Terminals

Power Handling: 200W RMS | 1.5" Coil with 1" winding length | Thick 10mm Extended Top Plate | Hyper-Extended Pole piece with integrated cooling channels | Full height magnet ID shorting ring for reduced inductive distortion | Fully stitched surround | Flat tied-on high-current tinsel leads

T/S Parameters D2: Fms: 48.9 Hz | Res: 45.5 Ohm | Re: 4 Ohm | Qms: 4.82 | Qes: 0.50 | Qts: 0.46 | Rms: 4.8 kg/s | Cms: 0.14 mm/N | Mms: 74.8 gr

Nref: 0.09 % | Bl: 13.5 N/A | SPL: 81.6 dB | VAS: 4.1 L | Rp: 31 Ohm | Lp: 24.7 mH | Cp: 829.8 uF | Le: 1.69 mH

Sundown Audio U-12 D2 12" 1500W RMS Dual 2-Ohm U-Series Subwoofer

Specifications: DC Resistance (Re): 3.8 Ω | Resonance Frequency (Fs): 42.2 Hz | Equivalent Volume (Vas): 17.9 L | Electrical Q Factor (Qes): 0.30 | Mechanical Q Factor (Qms): 2.67 | Total Q Factor (Qts): 0.27 | Force Factor (BL): 31.2 NA | Moving Mass (incl. Air Load) (Mms): 290.2 g | Suspension Compliance (Cms): 0.05 mm/N | Sensitivity: 88.4 dB 1w / 1m

Box Recommendations: Sealed Enclosure Suggestion: 1.0 cu. ft. | Ported Enclosure Suggestion: 2.0 cu. ft. | Displacement: 0.21 cu. ft. | Depth: 7.75 in | Outside Diameter: 12.83 in | Cutout: 11.01 in | Recommended Tuning: 32 Hz | Recommended Port Area: 32 sq. in.

Power Handling: 200 Watts RMS | 1.5" Coil with 1" winding length | Thick 10mm Extended Top Plate | Hyper-Extended Pole piece with integrated cooling channels | Full height magnet ID shorting ring for reduced inductive distortion | Fully stitched surround | Flat tied-on high-current tinsel leads

T/S Parameters D2: Fms: 48.9 Hz | Res: 45.5 Ohm | Re: 4 Ohm | Qms: 4.82 | Qes: 0.50 | Qts: 0.46 | Rms: 4.8 kg/s | Cms: 0.14 mm/N | Mms: 74.8 gr

Nref: 0.09 % | Bl: 13.5 N/A | SPL: 81.6 dB | VAS: 4.1 L | Rp: 31 Ohm | Lp: 24.7 mH | Cp: 829.8 uF | Le: 1.69 mH

2 Years Warranty

2 Year Warranty

2 Year Warranty

(2) SA-6.5 SW D4 - Sundown Audio 6.5" 200W RMS Dual 4-Ohm SA Series Subwoofers

Power Handling: 400W RMS

1.5" Coil with 1" winding length

2 Year Warranty

Features & Specifications: Power Handling: 200W RMS | 1.5" Coil with 1" winding length | Thick 10mm Extended Top Plate | Hyper-Extended Pole piece with integrated cooling channels | Full height magnet ID shorting ring for reduced inductive distortion | Fully stitched surround | Flat tied-on high-current tinsel leads

T/S Parameters D4: Fms: 51.8 Hz | Res: 45.2 Ohm | Re: 7.1 Ohm | Qms: 4.65 | Qes: 0.54 | Qts: 0.49 | Rms: 5.3 kg/s | Cms: 0.12 mm/N | Mms: 75.6 gr | Nref: 0.09 % | Bl: 17.9 N/A | SPL: 81.5 dB | VAS: 3.6 L | Rp: 42.4 Ohm | Lp: 31.2 mH | Cp: 542.5 uF | Le: 2.45 mH

Enclosure Specifications: 0.25cuft - 0.35cuft ported (NET) per woofer | Port area: 4sqin per woofer | Mounting Depth: 3.79"

Authorized Sundown Audio Dealer

2 Years Warranty

Nightshade Version 5

Nightshade Version 5

2 Year Warranty

Nightshade