See all parts that fit your 2004 Focus
1000W Peak (350W RMS) 10" SWT Series Single 4-ohm Shallow Car Subwoofer
• Peak Power: 1000 watts
• RMS Power: 350 watts
• Impedance: Single 4 ohm
• Kevlar Reinforced Pulp Paper Cone
• Polyurethane Surround
• Mount depth: 4-3/16"
• Sensitivity: 85.1 dB
Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen
$7.99
List price $11.99
Install a new car stereo in select 1986-2004 vehicles from Ford, Mercury, Mazda
$5.99
List price $6.99
Install a new Single-DIN car stereo in select 1999-2004 Focus and Cougar
$26.99
List price $29.99
Single DIN Digital Media Receiver with Bluetooth (SiriusXM Ready)
$149.95
List price $180.00
750W Peak (250W RMS) 6.5" V-Series 2 Way Component Car Speakers
$109.99
List price $129.99
Rockford Fosgate Punch P1 P1683
260W Peak (130W RMS) 6x8" Punch Series 3 Way Coaxial 4-ohm Speakers
$109.99
6.8" Double DIN CD/DVD Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)
$399.00
List price $479.00
500W Peak (80W RMS) 6x8" G-Series 2-way 4-ohm Coaxial Car Speakers
$49.99
List price $65.00
Get a Free roll of Belva 16 Gauge Speaker Wire. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.
Alpine SWT-10S4
100% off
$249 95
$12 99
Priced separately $262 94
Promo Savings of $12 99
Total price:
$249 95
• Peak Power: 1000 watts
• RMS Power: 350 watts
• Impedance: Single 4 ohm
• Kevlar Reinforced Pulp Paper Cone
• Polyurethane Surround
• Mount depth: 4-3/16"
• Sensitivity: 85.1 dB
The SWT 10” Truck Subwoofer has been engineered to offer more installation flexibility without sacrificing big output to build the ideal sound system for your truck. At 4-1/8” deep, these subs provide deep bass performance where it normally couldn’t fit in a truck. And the vented pole optimized for 4-1/8” deep box is the ideal enclosure size meaning great bass performance can fit just about anywhere in your truck.
The FEA-Optimized Motor Structure together with our revolutionary High-Amplitude Multi Roll (HAMR) Suspension Design gives the new SWT Truck Subwoofers the highest X-max and SPL output in its category. The new SWT Truck Subwoofers deliver the best-in-class bass output, ultra-low distortion, and unparalleled sound quality. With a real world, measured 11mm of X-max, the SWT subwoofers perform like traditional models, yet fit in smaller spaces.
Priced Individually
Alpine SWT10S4 owner’s manual
2 Infinity REF507CF (INFSPKRF507CFUS) w/ Adapter Plates
390W Peak (130W RMS) 5.25" Reference Series 2-way 3-ohm Component Speaker System with Speaker Adapter Plates
$477.88
List price $543.88
6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera
$329.99
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$349.99
List price $420.00
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
$329.95
List price $349.95
6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)
$599.99
List price $750.00
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
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• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
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• Mount depth: 3.23"
• Sensitivity: 83 dB
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• Peak Power: 700 watts
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• Impedance: Single 2 ohm
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• RMS Power: 350 watts
• Impedance: Single 4 ohm
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• RMS Power: 1000 watts
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Infinity Kappa 103WDSSI (INFSUBKA103WDSSIAM)
• Peak Power: 1350 watts
• RMS Power: 450 watts
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Manufacturer:
Model Number:
SWT-10S4
Weight:
12.60lbs
Internal SKU:
swt10s4
Internal Product ID:
77823
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Alpine SWT-10S4
Sound great in my sealed enclosure. Have 2 in my regular cab Sierra.
28 found this helpful
Great subs for the money
These subs are great for the cost of them. They hit harder than I expected for being shallow. My wife can hear me pulling into the driveway when she is inside with the tv on! I can't speak for their durability, but they look to be built really well. I would definitely recommend these.
27 found this helpful
Great for the price!
I built a box specific to the sealed box dimensions it requires. put it in my gladiator, and I am very happy with it. exactly what I needed for the cost. Yes, could I spend more and get more, sure. but this was exactly what I wanted.
Verified purchase
24 found this helpful
Not worth it
Have 2 in a 2012 Dodge Ram hooked up CORRECTLY, nice to have them under the seat and out of the way. They do not BANG hard. If you buy the right door speakers and spend the same amount you'll get the same bang.
28 found this helpful
Pretty good for truck subwoofers
These were put in a 2017 GMC Elevation and they sounds pretty darn good! Their not completely shallow which helps keep some more depth I feel like but made a nice addition to the truck!
Verified purchase
3 found this helpful
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Ultra-flexible PVC blended jacket for easy installation.
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• Peak Power: 700 watts
• RMS Power: 350 watts
• Impedance: Dual 4 ohm
• Carbon Fiber Reinforced Polypropylene Cone
• Butyl Rubber Surround
• Mount depth: 3.23"
• Sensitivity: 88 dB
(6)
$99.99
List price $119.99
• 100 watts x 4 channel + 315 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
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• 100 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
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• 330 watts x 1 channel @ 4 ohm
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• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier
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• Peak Power: 1000 watts
• RMS Power: 350 watts
• Impedance: Single 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• Polyurethane Surround
• Mount depth: 4-3/16"
• Sensitivity: 84.8 dB
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• 200 watts x 4 channel + 500W x 1 @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm + 800W @ 1 ohm
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
