- The Sundown Audio XV4 15″ Subwoofer delivers the ultimate low-frequency experience for serious bass lovers. Built with the advanced X v.4 coil design, this subwoofer offers extreme power handling and consistent performance under heavy loads.
- With up to 2750W RMS and 5500W peak power, it ensures clean, distortion-free sound even at the highest volumes. The durable motor structure and optimized cone area (72.58 in²) provide deeper lows and better air displacement for maximum sound pressure.
- Engineered for flexibility, the XV4 15″ works best in ported enclosures (4.25 cu ft, tuned to 32 Hz) but can also be customized for complex box designs like 4th order setups. Every element — from the high-grade magnet to the precision voice coil — is crafted to deliver unmatched performance and reliability.
- Perfect for audiophiles and competitors seeking solid bass impact, this subwoofer combines engineering excellence and raw power in one package.
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15″ high-performance subwoofer with X v.4 coils
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2750W RMS / 5500W peak power handling
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30mm Xmax for strong linear excursion
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Optimized motor design (9.25″ diameter)
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Recommended ported box: 4.25 cu ft @ 32 Hz
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Robust cone design for high SPL output
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Ideal for competitive and high-end car audio systems
Parameter XV4 15D1 XV4 15D2 RMS Power 2750W 2750W Peak Power 5500W 5500W Displacement 0.26 cu.ft. 0.26 cu.ft. Mounting Depth 12.95″ 12.95″ Outside Diameter 15.51″ 15.51″ Cutout Diameter 13.93″ 13.93″ Motor Diameter 9.25″ 9.25″ Sealed Enclosure Not Recommended Not Recommended Ported Enclosure 4.25 cu ft 4.25 cu ft Recommended Port Tuning 32 Hz 32 Hz Recommended Port Area 68 sq in 68 sq in 4th Order Sealed Side 2.0 cu ft 2.0 cu ft 4th Order Ported Side 6.0 cu ft 6.0 cu ft 4th Order Port Area 120 sq in 120 sq in 4th Order Port Length 8″ 8″ Xmax 30mm 30mm SD (Cone Area) 72.58 in² 72.58 in² RE (Ohms) 3.2 3.74 FS (Hz) 29.91 29.51 Qes 0.55 0.49 Qms 4.87 4.08 Qts 0.49 0.44 BL (NA) 22.32 27.44 Mms (g) 457.51 538.24 CMS 61.87 54.02 Sensitivity 85.29 dB 85.1 dB T/S Specs RMS Power (D2)RMS Power (D1)Peak Power (D1)Peak Power (D2)RE D1 (Ohms)RE D2 (Ohms)FS D1 (Hz)FS D2 (Hz)VAS D1 (L)VAS D2 (L)Qes D1Qes D2Qms D1Qms D2Qts D1Qts D2Le D1 (mH)BL D1 (NA)BL D2 (NA)Mms D1 (Grams)Mms D2 (Grams)Cms D1 (uM/N)Cms D2 (uM/N)Sens D1 (dB @ 1w/1m)Sens D2 (dB @ 1w/1m)Xmax D1Xmax D2Subwoofer Measurements Displacement (Inches)Depth (Inches)Cutout (Inches)Motor Diameter (Inches)Ported Enclosure Specs Ported Enclosure SizeRecommended Port AreaRecommended Port Tuning4th Order Enclosure Specs 4th Order Sealed Side4th Order Ported Side4th Order Port Area4th Order Port Length