Check the listing for details. Resilient Sounds GOLD 8 1,000RMS/2000Watt Peak (D4 OHM LOAD) 8inch subwoofer. Condition: New. Listed at 199.99 USD. GOLD 8 1,000RMSGold 8 1000 RMS Woofer The RS Gold Series is geared towards audio fanatics searching for a high performance driver without breaking your budget! SPECS RMS: 1000SPL: 79.1 dBFMS: 42.5 HzBL: 26.4Res: 117Re: 6.0Qms: 4.17Qes: 0.54Qts: 0.48Cms: 0.06Mms: 237.9 grNref: 0.05%VAS: 3.8 LRp: 40.4 Lp: 41.0 mHCp: 428.0 uFLe: 3.59 mHXmax: 19 BOX HEALTHY RECOMMENDATIONEvery vehicles applications, equipment, tuning, wiring, ext all play a factor in making sure your woofers are playing clean signals to avoid any clipping. Our products have the reputation of taking some of the most abuse in the industry for its given power rating, but to ensure the longevity using the right air space and scoping for a clean signal will be sure to have a lasting daily resilient subwoofer. Suggested Healthy spec range.Rule of thumb lean towards smaller enclousre if clamping @ or more than conservative power. Lean towards bigger enclosure clamping below conservative power Ported enclosure.9 -1.1 ft tuned @35hertz with 12-16sqaure inch of port area per cubic foot. CUTOUT 7.3"