Best Sundown Audio 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

800W RMS Subwoofer

High strength & patented cast aluminum frame

Solid Pole piece with chamfered edges & machined air channels for increased voice coil cooling

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

Authorized Sundown Audio Dealer

2 Years Warranty

2 Years Warranty

2 Year Warranty

Xmax = 30mm one-way by 70% BL | RMS Power = 1500-watts

Specifications: DC Resistance (Re): 6.1 Ω | Resonance Frequency (Fs): 27.7 Hz | Equivalent Volume (Vas): 137.7 L | Electrical Q Factor (Qes): 0.54 | Mechanical Q Factor (Qms): 5.12 | Total Q Factor (Qts): 0.49 | Voice Coil Inductance (Le): 4.0 mH | Force Factor (BL): 29.8 NA | Moving Mass (incl. Air Load) (Mms): 454 g | Suspension Compliance (Cms): 0.07 mm/N | Sensitivity: 89.2 dB 1w / 1m

Box Recommendations: Sealed Enclosure Suggestion: Not Recommended | Ported Enclosure Suggestion: 7.0 cu. ft. | Displacement: 0.23 cu. ft. | Depth: 10.25 in | Outside Diameter: 18.42 in | Cutout: 16.69 in | Recommended Tuning: 32 Hz | Recommended Port Area: 112 sq. in.

(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 Years Warranty

RMS Power - 1 ohm Mono: 2000W

RMS Power - 2 ohm Mono: 1000W

RMS Power - 4 ohm Mono: 500W

Sundown Audio SD-3 8 D2 8" 300W RMS Dual 2-Ohm SD Series Subwoofer

Power Handling: RMS Power = 300-watts

Voice Coil Configuration: Dual 2-Ohm

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"

Features: Black Aluminum 3” voice coil former for superior heat dissipation, High Temperature Round-Wire CCAW voice coil with high-temp black adhesive, Double stitched surround, Heavy duty cast basket, Spring loaded terminals accept up to 8 gauge, Stitched-on double-XL tinsel leads, Rear vented pole piece, Rear drilled gap-venting, Innovative high-velocity cast aluminum vented frame spacer ring, Magnet ID shorting ring, Top-Plate Cooling Channels, Cast Aluminum surround bolt-on rings, Optimized

Specifications: 1500 Watts RMS | Linear X-Max by 70% | Magnet Diameter: 8.66 in. | DC Resistance (Re): 3.8 Ω | Resonance Frequency (Fs): 48.5 Hz | Equivalent Volume (Vas): 8.3 L | Electrical Q Factor (Qes): 0.35 | Mechanical Q Factor (Qms): 3.20 | Total Q Factor (Qts): 0.32 | Force Factor (BL): 26.8 NA | Moving Mass (incl. Air Load) (Mms): 216.3 g | Suspension Compliance (Cms): 0.05 mm/N | Sensitivity: 86.2 dB 1w / 1m

Box Recommendations: Sealed Enclosure Suggestion: 0.5 cu. ft. | Ported Enclosure Suggestion: 1.0 cu. ft. | Displacement: 0.21 cu. ft. | Depth: 7.007 in |Outside Diameter: 10.94 in | Cutout: 9.17 in | Recommended Tuning: 32 Hz | Recommended Port Area: 16 sq. in.

Authorized Sundown Audio Dealer

2 Years Warranty

Sundown Audio U-18 D2 18" 1500W RMS Dual 2-Ohm U-Series Subwoofer

Specifications: DC Resistance (Re): 3.8 Ω | Resonance Frequency (Fs): 31.3 Hz | Equivalent Volume (Vas): 135.4 L | Electrical Q Factor (Qes): 0.37 | Mechanical Q Factor (Qms): 3.41 | Total Q Factor (Qts): 0.33 | Voice Coil Inductance (Le): 2.62 mH | Force Factor (BL): 29.9 NA | Moving Mass (incl. Air Load) (Mms): 444.1 g | Suspension Compliance (Cms): 0.06 mm/N | Sensitivity: 92.3 dB 1w / 1m

Box Recommendations: Sealed Enclosure Suggestion: 3.0 cu. ft. | Ported Enclosure Suggestion: 4.0 cu. ft. | Displacement: TBA | Depth: 10.11 in | Outside Diameter: 18.66 in | Cutout: 16.69 in | Recommended Tuning: 32 Hz | Recommended Port Area: 64 sq. in.

2 Year Warranty

Nightshade

Nightshade Version 5

Nightshade Version 5

Product 1: DEEP AND POWERFUL BASS

Product 1: PREMIUM BUILD QUALITY AND MODERN DESIGN

Product 1: DISTORTION-FREE AUDIO

12" high excursion spun-copper Imp woofer

29 hertz – 120 hertz plus /- 3 dB

400 watt

Power - 1100 Max x 1 @ 2 Ohms, 550 Max x 1 @ 4 Ohms

Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal

Mosfet Power Supply - A MOSFET is an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry

The P3 Series is Rockford Fosgate’s best performing Punch subwoofer delivering reference quality bass in our most popular models

The Punch P3D4-12 is a 12” 4-Ohm DVC (dual voice coil) subwoofer with 600 Watts RMS / 1200 Watts Max power handling and custom 10-AWG nickel plated push terminals

Featuring anodized aluminum cones and dustcaps, with a unique spider venting design to keep the motor cooler and a new hybrid stamp-cast basket providing super strength while minimizing weight and resonance

Class D MOSFET Monoblock Power Amplifier

Peak Power at 1 Ohm: 1,600 Watts | RMS Power at 1 Ohm: 1,200 Watts

Frequency Response: 20Hz - 250Hz, On-board Bass EQ Switch with +6 or +12dB boost at 45Hz