Like New (Open Box) - Sundown Audio SW-SAV212D4 12" SA Series Dual 4-ohm Subwoofer (Open Box, Like New)

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Product highlights

• RMS Power: 1000 watts
• Impedance: Dual 4 ohm
• Competition Grade Paper Cone
• Foam Surround
• Mount depth: 7.35"
• Sensitivity: 85.03 dB

Learn more about the sav212d4_obn

Description

Authorized dealer

Item Condition - Like New (Open Box):

This product works and looks like new. It may have been opened for a visual demo or product video. In some cases there may be signs of an attempt at installation like opened packaging or mounting screw holes used, but there is no real sign of use or wear. Includes all original parts, packaging and accessories (or suitable replacement)

Sundown Audio SA-12 v.2 D4 12" (SA12V2D4)

2500W Peak (1250W RMS) 12" SA Series Dual 4-ohm Car Subwoofer (SW-SAV212D4)
Quantity: 1

Product Details:

12" Dual 4 ohm SA Series Subwoofer
Power Handling:

Peak: 2500 watts
RMS: 1250 watts

Competition Grade Paper Cone
Foam Surround
Vented magnetic gap and pole piece
Innovative high velocity, cast aluminum vented frame spacer ring
Magnet ID faraday ring for smooth acoustic response
Spring-loaded terminals for easy connection
Stitched-on double “XL” tinsel leads
2.75" High Temperature Copper Voice coil on aluminum former
19 mm Xmax
Double Stacked magnet motor structure
Resonance Frequency (Fs): 33.6039 Hz
Sensitivity: 85.03 dB
Recommended sealed box volume: 1.0 cubic feet
Recommended ported box volume: 1.75 cubic feet
Top-mount depth: 7.35"
Cutout diameter: 11.01"
Authorized Internet Dealer
1-year Manufacturer's Warranty

Priced Individually

Subwoofer Wiring Guide

Wiring Guide to Wire 1 Sundown Audio SW-SAV212D4 (Open Box, Like New) Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Sundown Audio SW-SAV212D4 (Open Box, Like New) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Sundown Audio SW-SAV212D4 (Open Box, Like New) Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Sundown Audio SW-SAV212D4 (Open Box, Like New) Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details

Subwoofer Specifications

Series

SA Series

Subwoofer Size

12"

RMS Power Handling

1000 watts

Voice Coil(s)

Dual

Impedance (Per Voice Coil)

4 ohm

Voice Coil Material

Aluminum

Voice Coil Diameter

2.75"

Sensitivity

85.03 dB

Xmax (millimeters)

19 mm

Subwoofer Design

Round / Circle

Main Cone Color

Black

Woofer Composition

Competition Grade Paper

Woofer Surround

Foam

Magnet Structure

Double Stacked

Recommended Enclosure Specifications

Recommended Enclosure Type

Ported / Vented
Sealed

Optimum Sealed Box Volume

1.0 cubic feet

Optimum Ported Box Volume

1.75 cubic feet

Top-Mount Depth (Mounting Depth)

7.35"

Cutout Diameter

11.01"

Shallow Mount Installation

T/S Parameters (Electromechanical)

Free-Air Resonance (Fs)

33.6039 Hz

Equivalent Compliance (Vas)

28.0603 liters

Total Speaker Q Value (Qts)

0.4443

Electrical Q Value (Qes)

0.4996

Electrical Resistance of Voice Coil (Re)

6.35 ohm

Mechanical Q Value (Qms)

4.0178

What is in the box?

WITB: Subwoofers

Subwoofer

Warranty and Return Policy

Parts Warranty Duration

1 year

Labor Warranty Duration

1 year

Warranty Provider

Manufacturer

Customer Ratings & Reviews

Sundown Audio SW-SAV212D4 (Open Box, Like New) thumbnail image

Overall rating distribution

5 star		100%
4 star		0%
3 star		0%
2 star		0%
1 star		0%

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By feature average rating

Durability		5
Value		5
Features		5
Design		5
Usability		5

Customer Reviews

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Great subs

The following review is for SAV212D4, which is a part of the bundle you are viewing.

Sounds awesome

By Clint on May 28, 2026 Checkmark Icon

Verified purchase

2016 Mitsubishi Outlander Sport

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Best money spent

The following review is for SAV212D4, which is a part of the bundle you are viewing.

I wish I would had spent the money the first go around. These subs are amazing. I highly recommend these. The slam I only have my amp turned up half way bass settings on low and the are ridiculously loud.

By Michael on April 17, 2026 Checkmark Icon

Verified purchase

2009 Chevrolet Impala

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First time buying Sundown. .

The following review is for SAV212D4, which is a part of the bundle you are viewing.

I have always used skar products but I decided to spend more money on higher end stuff . These sa v2 12s hit so hard on my jp 23 v2!!!

By Jesse on February 23, 2026 Checkmark Icon

Verified purchase

2023 Kia Forte

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