It will run cleanly off of just 50 watts. This is a fairly sensitive sub and doesn't need a bunch of power. 100w of rms power will drive this thing about as far as you want ro take it. I run one in a .6 ft sealed enclosure in my 16 yr old sons 2002 civic, it has a surprising amount of outpit but matches very nicely to a well treated door containing 6.5" midwoofers and tweeters.I also have one in a 2001 suburban in the factory subwoofer enclosure. Again, it is very surprising to see people react to the sound a "cheap" subwoofer produces.

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【国内正規品】Dayton Audio SD215A-88 20cm DVC サブウーファー 4Ω PS-SWF-D01

【国内正規品】Dayton Audio SD215A-88 20cm DVC サブウーファー 4Ω PS-SWF-D01

Q: In an infinite baffle replacement install in a Lexus sc430 what is recommended to obtain the best sound quality without building a box?

To be honest I never build a sub system without a box. I tried this in a Lincoln town car designed for a free air 8". The results were okay but lacked control and easily got distorted. I placed it in a box and got better results. I am surprised at how well this sub performs for the price. My advice though is to save your money and invest in a better sub or one rated/designed to go free air or infinite baffle. By the way use the specs sheet to design the box.

Q: Why does it have to sides to connect to?

Its basically 2 speakers in 1, it's done mainly for more wiring options, you can wire left channel on 1, and right on the other, or wired together in different combinations to raise or lower the ohms to match your amplifier/system, there used in home and mobile audio systems, as long as the onms are a safe match, to low or high can burn up your amplifier or make hour music sound crappy, at the same time if the ohms are setup right, you can draw the maximum wattage from your amp safely although sound quality may not be as good at that level it's a trade off, 2ohm to 4ohm as example, 2 louder 4 quality.

Q: can this run 2ohm in parallel? is there a version of this with dual 4ohm coils? I need 2ohm version of this for Lexus SC430 (aftermarket 2ohm sub amp)

No. Dual 8 ohm coils can only give a 4 ohm load in parallel for a single woofer. It is a fairly high sensitivity rating though, so if you could find specs for your old woofer, if the Dayton was 3db higher...then it would be comparable to your old woofer at 2 ohm.

Product ID: 741502906

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Details

Brand
Dayton Audio
Speaker Maximum Output Power
160 Watts
Mounting Type
Floor Standing
Speaker Type
Subwoofer
Compatible Devices
Laptop Tablet

🎯31Hz resonant frequency

📏8.5-inch flange diameter

🔊85.9dB efficiency

Frequently Bought Together

Dayton Audio SD215A-88 8" DVC Subwoofer

Skar Audio FSX65-8 6.5" 300 Watt 8 Ohm Pro Audio Midrange Loudspeaker, Each

Dayton Audio DC160-8 6-1/2" Classic Woofer

Description

🎵 Feel the bass, own the vibe.

COMPACT YET MIGHTY - Sleek 8.5-inch flange diameter fits seamlessly into your setup without sacrificing performance.
DUAL VOICE COIL DESIGN - 4Ω DVC configuration offers flexible wiring options for custom sound tuning.
POWERFUL LOW END PUNCH - Dive deep with a 31Hz resonant frequency that delivers rich, room-shaking bass.
HIGH EFFICIENCY SOUND OUTPUT - Experience crisp, clear audio with an impressive 85.9dB sensitivity at 1W/1m.
TRUSTED AMERICAN CRAFTSMANSHIP - From Dayton Audio, a brand known for reliable, cost-effective audio excellence.

The Dayton Audio SD215A-88 is a 20cm (8-inch) dual voice coil subwoofer with a 4Ω impedance, designed to deliver deep bass down to 31Hz with high efficiency (85.9dB). Its compact 8.5-inch flange diameter and 3.7-inch depth make it ideal for vehicle audio upgrades, combining American engineering quality with versatile installation options.

Specifications

Subwoofer Diameter	20 Centimeters
Item Weight	2.06 kg
Is Waterproof	False
Speaker Size	8 Inches
Batteries Included	No
Batteries Required	No
Manufacturer	Dayton Audio
Item Model Number	PS-SWF-D01
Package Dimensions	22.5 x 22.3 x 11.61 cm; 2.06 kg

Have a Question? See What Others Asked

In an infinite baffle replacement install in a Lexus sc430 what is recommended to obtain the best sound quality without building a box?

Why does it have to sides to connect to?

how many watts?

can this run 2ohm in parallel? is there a version of this with dual 4ohm coils? I need 2ohm version of this for Lexus SC430 (aftermarket 2ohm sub amp)

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