Sundown Audio M-Series M18 18" 2000W Subwoofer

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Sundown Audio M-Series M18 18" 2000W Subwoofer

Sundown AudioSKU: M15D1

Impedance: Dual 1 Ohm

Variant

Price:

$699.99

Stock:

Available

Quantity:

{"id":7884838928477,"title":"Sundown Audio M-Series M18 18\" 2000W Subwoofer","handle":"m-series-m18-1750w-subwoofer","description":"\u003cul\u003e\n\u003cli\u003e4000w Peak \/ 2000w RMS\u003c\/li\u003e\n\u003cli\u003eAvailable in Dual 1 and Dual 2 Ohm Configurations\u003c\/li\u003e\n\u003cli\u003eMega Roll Surround and Frame\u003c\/li\u003e\n\u003cli\u003eEtched All Black Backplate\u003c\/li\u003e\n\u003cli\u003eQuad Stack Magnet Structure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"cus-flex\"\u003e\n\u003cdiv class=\"box-2\"\u003e\n\u003ch3 class=\"el-title uk-text-danger uk-margin-top uk-margin-remove-bottom\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"uk-table uk-table-striped uk-table-small\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRE (Ohms)\u003c\/td\u003e\n\u003ctd\u003e2.12\u003c\/td\u003e\n\u003ctd\u003e4.125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFS (Hz)\u003c\/td\u003e\n\u003ctd\u003e26.152\u003c\/td\u003e\n\u003ctd\u003e25.749\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVAS (L)\u003c\/td\u003e\n\u003ctd\u003e112.182\u003c\/td\u003e\n\u003ctd\u003e117.53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.782\u003c\/td\u003e\n\u003ctd\u003e0.74\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e5.452\u003c\/td\u003e\n\u003ctd\u003e5.379\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.684\u003c\/td\u003e\n\u003ctd\u003e0.65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLe (mH)\u003c\/td\u003e\n\u003ctd\u003e1.797\u003c\/td\u003e\n\u003ctd\u003e3.55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBL (NA)\u003c\/td\u003e\n\u003ctd\u003e17.044\u003c\/td\u003e\n\u003ctd\u003e24.026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms (Grams)\u003c\/td\u003e\n\u003ctd\u003e651.24\u003c\/td\u003e\n\u003ctd\u003e638.994\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms (uM\/N)\u003c\/td\u003e\n\u003ctd\u003e56.86\u003c\/td\u003e\n\u003ctd\u003e59.58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSens (dB @ 1w\/1m)\u003c\/td\u003e\n\u003ctd\u003e85.836\u003c\/td\u003e\n\u003ctd\u003e86.102\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"uk-text-nowrap\"\u003eT\/S SPECS\u003c\/th\u003e\n\u003cth class=\"uk-text-nowrap\"\u003e\u003cstrong\u003eM18D1\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth class=\"uk-text-nowrap\"\u003e\u003cstrong\u003eM18D2\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"box-3\"\u003e\n\u003ch3\u003eEnclosure Specifications\u003c\/h3\u003e\n\u003cdiv class=\"uk-margin\"\u003e\n\u003ctable class=\"uk-table uk-table-striped uk-table-small\" style=\"width: 100.088%; height: 251.719px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003eSealed Enclosure\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003eNot Recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003ePorted Enclosure\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e7.0 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003eRecommended Tuning\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e32Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003eRecommended Port Area\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e112 sq in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 16.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 16.5938px;\"\u003e4th Order Sealed Side\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 16.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e3.0 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e4th Order Ported Side\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e9.0 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e4th Order Port Area\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e180 sq in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e4th Order Port Length\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eDisplacement\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e0.25 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003eDepth\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e14.05″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003eOutside Diameter\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e18.46″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003eCut-Out\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e16.68″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","published_at":"2025-04-11T15:59:55-04:00","created_at":"2025-04-11T16:00:18-04:00","vendor":"Sundown Audio","type":"","tags":["18 inch","18\"","18\" Subwoofer","alt text 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Peak \/ 2000w RMS\u003c\/li\u003e\n\u003cli\u003eAvailable in Dual 1 and Dual 2 Ohm Configurations\u003c\/li\u003e\n\u003cli\u003eMega Roll Surround and Frame\u003c\/li\u003e\n\u003cli\u003eEtched All Black Backplate\u003c\/li\u003e\n\u003cli\u003eQuad Stack Magnet Structure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"cus-flex\"\u003e\n\u003cdiv class=\"box-2\"\u003e\n\u003ch3 class=\"el-title uk-text-danger uk-margin-top uk-margin-remove-bottom\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"uk-table uk-table-striped uk-table-small\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRE (Ohms)\u003c\/td\u003e\n\u003ctd\u003e2.12\u003c\/td\u003e\n\u003ctd\u003e4.125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFS (Hz)\u003c\/td\u003e\n\u003ctd\u003e26.152\u003c\/td\u003e\n\u003ctd\u003e25.749\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVAS (L)\u003c\/td\u003e\n\u003ctd\u003e112.182\u003c\/td\u003e\n\u003ctd\u003e117.53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.782\u003c\/td\u003e\n\u003ctd\u003e0.74\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e5.452\u003c\/td\u003e\n\u003ctd\u003e5.379\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.684\u003c\/td\u003e\n\u003ctd\u003e0.65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLe (mH)\u003c\/td\u003e\n\u003ctd\u003e1.797\u003c\/td\u003e\n\u003ctd\u003e3.55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBL (NA)\u003c\/td\u003e\n\u003ctd\u003e17.044\u003c\/td\u003e\n\u003ctd\u003e24.026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms (Grams)\u003c\/td\u003e\n\u003ctd\u003e651.24\u003c\/td\u003e\n\u003ctd\u003e638.994\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms (uM\/N)\u003c\/td\u003e\n\u003ctd\u003e56.86\u003c\/td\u003e\n\u003ctd\u003e59.58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSens (dB @ 1w\/1m)\u003c\/td\u003e\n\u003ctd\u003e85.836\u003c\/td\u003e\n\u003ctd\u003e86.102\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"uk-text-nowrap\"\u003eT\/S SPECS\u003c\/th\u003e\n\u003cth class=\"uk-text-nowrap\"\u003e\u003cstrong\u003eM18D1\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth class=\"uk-text-nowrap\"\u003e\u003cstrong\u003eM18D2\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"box-3\"\u003e\n\u003ch3\u003eEnclosure Specifications\u003c\/h3\u003e\n\u003cdiv class=\"uk-margin\"\u003e\n\u003ctable class=\"uk-table uk-table-striped uk-table-small\" style=\"width: 100.088%; height: 251.719px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003eSealed Enclosure\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003eNot Recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003ePorted Enclosure\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e7.0 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003eRecommended Tuning\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e32Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003eRecommended Port Area\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e112 sq in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 16.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 16.5938px;\"\u003e4th Order Sealed Side\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 16.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e3.0 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e4th Order Ported Side\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e9.0 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e4th Order Port Area\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e180 sq in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e4th Order Port Length\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eDisplacement\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e0.25 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003eDepth\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e14.05″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003eOutside Diameter\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e18.46″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7648%; height: 19.5938px;\"\u003eCut-Out\u003c\/td\u003e\n\u003ctd style=\"width: 42.32%; height: 19.5938px;\"\u003e16.68″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e"}

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4000w Peak / 2000w RMS
Available in Dual 1 and Dual 2 Ohm Configurations
Mega Roll Surround and Frame
Etched All Black Backplate
Quad Stack Magnet Structure

Specifications

T/S SPECS	M18D1	M18D2
RE (Ohms)	2.12	4.125
FS (Hz)	26.152	25.749
VAS (L)	112.182	117.53
Qes	0.782	0.74
Qms	5.452	5.379
Qts	0.684	0.65
Le (mH)	1.797	3.55
BL (NA)	17.044	24.026
Mms (Grams)	651.24	638.994
Cms (uM/N)	56.86	59.58
Sens (dB @ 1w/1m)	85.836	86.102
Xmax	35mm	35mm

Enclosure Specifications

Sealed Enclosure	Not Recommended
Ported Enclosure	7.0 cu ft
Recommended Tuning	32Hz
Recommended Port Area	112 sq in
4th Order Sealed Side	3.0 cu ft
4th Order Ported Side	9.0 cu ft
4th Order Port Area	180 sq in
4th Order Port Length	8"
Displacement	0.25 cu ft
Depth	14.05″
Outside Diameter	18.46″
Cut-Out	16.68″

Sundown Audio M-Series M18 18" 2000W Subwoofer

Description

Specifications

Enclosure Specifications

Specifications

Sundown Audio M-Series M18 18" 2000W Subwoofer

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