Sundown Audio SD-4 Series 8" 400W Neo Car Audio Subwoofer/Sub NEO SD4 - Sundown Audio

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Sundown Audio SD-Series v.4 8" Neo Shallow Mount Subwoofer

Sundown AudioSKU: SNDN-SD48D4

Impedance: D4

Variant

Price:

$318.99

Stock:

Available

Quantity:

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It's the ideal choice for anyone seeking a high-quality, low-mounting-depth subwoofer that performs hammers in small enclosures. With enhanced mechanical durability and superb sound quality, you get the perfect marriage of form and function.\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"uk-panel uk-margin\"\u003e\n\u003cdiv class=\"cus-flex\"\u003e\n\u003cdiv class=\"box-1\"\u003e\n\u003ch3 class=\"el-title uk-text-danger uk-margin-top uk-margin-remove-bottom\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"uk-margin\"\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\u003e4.2018\u003c\/td\u003e\n\u003ctd\u003e6.4276\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFS (Hz)\u003c\/td\u003e\n\u003ctd\u003e35.6841\u003c\/td\u003e\n\u003ctd\u003e36.2549\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVAS 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(Grams)\u003c\/td\u003e\n\u003ctd\u003e106.4747\u003c\/td\u003e\n\u003ctd\u003e97.7789\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms (uM\/N)\u003c\/td\u003e\n\u003ctd\u003e186.8295\u003c\/td\u003e\n\u003ctd\u003e197.0082\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSens (dB @ 1w\/1m)\u003c\/td\u003e\n\u003ctd\u003e81.5509\u003c\/td\u003e\n\u003ctd\u003e81.4416\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e14.5mm\u003c\/td\u003e\n\u003ctd\u003e14.5mm\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\u003eSD-4 8″ D2\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth class=\"uk-text-nowrap\"\u003e\u003cstrong\u003eSD-4 8″ D4\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\u003c\/div\u003e\n\u003cdiv class=\"box-2\"\u003e\n\u003ch3 class=\"el-title uk-text-danger uk-margin-top uk-margin-remove-bottom\"\u003eEnclosure Specifications\u003c\/h3\u003e\n\u003ctable class=\"uk-table uk-table-striped uk-table-small\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealed Enclosure\u003c\/td\u003e\n\u003ctd\u003e0.33-0.5 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorted Enclosure\u003c\/td\u003e\n\u003ctd\u003eNot Recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Tuning\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Port Area\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement\u003c\/td\u003e\n\u003ctd\u003e0.07 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e4.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside Diameter\u003c\/td\u003e\n\u003ctd\u003e8.70\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCut-Out\u003c\/td\u003e\n\u003ctd\u003e7.30\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Dimensions\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0770\/6669\/9062\/files\/SD-4-8.pdf?v=1688792297\"\u003eDownload\u003c\/a\u003e\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":"2024-05-13T15:51:38-04:00","created_at":"2024-05-13T15:51:46-04:00","vendor":"Sundown Audio","type":"8\" Subwoofer","tags":["8 inch","8\"","8\" Subwoofer","alt text generated","D2","D4","Neo","Neodymium","Neodymium magnets","New Stock","SD-Series","Shallow Mount","Subwoofer","Subwoofers"],"price":31899,"price_min":31899,"price_max":31899,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":42170874986589,"title":"D4","option1":"D4","option2":null,"option3":null,"sku":"SNDN-SD48D4","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Sundown Audio SD-Series v.4 8\" Neo Shallow Mount Subwoofer - 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class=\"MsoNormal\"\u003eComputer-optimized foam “w” surround\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eTwo-inch 8-layer copper voice coil\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eLarge aluminum Faraday ring for smooth acoustic response\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003ePatented high strength cast aluminum frame\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eLow distortion motor construction\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eHigh-temperature voice coil wire\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eSpring-loaded terminals\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eStitched-on tinsel lead wires\u003c\/li\u003e\n\u003c\/ul\u003e\nThe SD-4 series truly is a world-class sound quality woofer with low mounting depth, small box requirements, yet extraordinarily high power handling. It's the ideal choice for anyone seeking a high-quality, low-mounting-depth subwoofer that performs hammers in small enclosures. With enhanced mechanical durability and superb sound quality, you get the perfect marriage of form and function.\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"uk-panel uk-margin\"\u003e\n\u003cdiv class=\"cus-flex\"\u003e\n\u003cdiv class=\"box-1\"\u003e\n\u003ch3 class=\"el-title uk-text-danger uk-margin-top uk-margin-remove-bottom\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"uk-margin\"\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\u003e4.2018\u003c\/td\u003e\n\u003ctd\u003e6.4276\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFS (Hz)\u003c\/td\u003e\n\u003ctd\u003e35.6841\u003c\/td\u003e\n\u003ctd\u003e36.2549\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVAS (L)\u003c\/td\u003e\n\u003ctd\u003e12.1640\u003c\/td\u003e\n\u003ctd\u003e12.8320\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.5783\u003c\/td\u003e\n\u003ctd\u003e0.6561\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e5.7988\u003c\/td\u003e\n\u003ctd\u003e5.7301\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.5259\u003c\/td\u003e\n\u003ctd\u003e0.5887\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLe (mH)\u003c\/td\u003e\n\u003ctd\u003e4.4242\u003c\/td\u003e\n\u003ctd\u003e6.0746\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBL (NA)\u003c\/td\u003e\n\u003ctd\u003e13.1700\u003c\/td\u003e\n\u003ctd\u003e14.7716\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms (Grams)\u003c\/td\u003e\n\u003ctd\u003e106.4747\u003c\/td\u003e\n\u003ctd\u003e97.7789\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms (uM\/N)\u003c\/td\u003e\n\u003ctd\u003e186.8295\u003c\/td\u003e\n\u003ctd\u003e197.0082\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSens (dB @ 1w\/1m)\u003c\/td\u003e\n\u003ctd\u003e81.5509\u003c\/td\u003e\n\u003ctd\u003e81.4416\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e14.5mm\u003c\/td\u003e\n\u003ctd\u003e14.5mm\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\u003eSD-4 8″ D2\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth class=\"uk-text-nowrap\"\u003e\u003cstrong\u003eSD-4 8″ D4\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\u003c\/div\u003e\n\u003cdiv class=\"box-2\"\u003e\n\u003ch3 class=\"el-title uk-text-danger uk-margin-top uk-margin-remove-bottom\"\u003eEnclosure Specifications\u003c\/h3\u003e\n\u003ctable class=\"uk-table uk-table-striped uk-table-small\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealed Enclosure\u003c\/td\u003e\n\u003ctd\u003e0.33-0.5 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorted Enclosure\u003c\/td\u003e\n\u003ctd\u003eNot Recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Tuning\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Port Area\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement\u003c\/td\u003e\n\u003ctd\u003e0.07 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e4.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside Diameter\u003c\/td\u003e\n\u003ctd\u003e8.70\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCut-Out\u003c\/td\u003e\n\u003ctd\u003e7.30\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Dimensions\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0770\/6669\/9062\/files\/SD-4-8.pdf?v=1688792297\"\u003eDownload\u003c\/a\u003e\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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RMS 400 watts
Dual 2 or 4 ohm voice coils
Optimized for small, sealed enclosures
Lightweight Neodymium motor
Computer-optimized foam “w” surround
Two-inch 8-layer copper voice coil
Large aluminum Faraday ring for smooth acoustic response
Patented high strength cast aluminum frame
Low distortion motor construction
High-temperature voice coil wire
Spring-loaded terminals
Stitched-on tinsel lead wires

The SD-4 series truly is a world-class sound quality woofer with low mounting depth, small box requirements, yet extraordinarily high power handling. It's the ideal choice for anyone seeking a high-quality, low-mounting-depth subwoofer that performs hammers in small enclosures. With enhanced mechanical durability and superb sound quality, you get the perfect marriage of form and function.

Specifications

T/S SPECS	SD-4 8″ D2	SD-4 8″ D4
RE (Ohms)	4.2018	6.4276
FS (Hz)	35.6841	36.2549
VAS (L)	12.1640	12.8320
Qes	0.5783	0.6561
Qms	5.7988	5.7301
Qts	0.5259	0.5887
Le (mH)	4.4242	6.0746
BL (NA)	13.1700	14.7716
Mms (Grams)	106.4747	97.7789
Cms (uM/N)	186.8295	197.0082
Sens (dB @ 1w/1m)	81.5509	81.4416
Xmax	14.5mm	14.5mm

Enclosure Specifications

Sealed Enclosure	0.33-0.5 cu ft
Ported Enclosure	Not Recommended
Recommended Tuning	N/A
Recommended Port Area	N/A
Displacement	0.07 cu ft
Depth	4.6"
Outside Diameter	8.70"
Cut-Out	7.30"
Physical Dimensions	Download

Product Brand	Sundown Audio
Coil	Dual 4 Ohm (D4) Dual 2 Ohm (D2)
RMS Power	400W
Diameter	8"

Sundown Audio SD-Series v.4 8" Neo Shallow Mount Subwoofer

Description

Specifications

Enclosure Specifications

Specifications

Sundown Audio SD-Series v.4 8" Neo Shallow Mount Subwoofer

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