July 4th SALE IS LIVE! FREE shipping on qualifying orders over $99

Sundown Audio • Down4Sound • American Bass • Orion • Resilient Sounds & more top brands — in stock

Need help building your system? Contact our team

The same team behind JS Alternators

July 4th SALE IS LIVE! FREE shipping on qualifying orders over $99

Sundown Audio • Down4Sound • American Bass • Orion • Resilient Sounds & more top brands — in stock

Need help building your system? Contact our team

The same team behind JS Alternators

July 4th SALE IS LIVE! FREE shipping on qualifying orders over $99

Sundown Audio • Down4Sound • American Bass • Orion • Resilient Sounds & more top brands — in stock

Need help building your system? Contact our team

The same team behind JS Alternators

July 4th SALE IS LIVE! FREE shipping on qualifying orders over $99

Sundown Audio • Down4Sound • American Bass • Orion • Resilient Sounds & more top brands — in stock

Need help building your system? Contact our team

The same team behind JS Alternators

July 4th SALE IS LIVE! FREE shipping on qualifying orders over $99

Sundown Audio • Down4Sound • American Bass • Orion • Resilient Sounds & more top brands — in stock

Need help building your system? Contact our team

The same team behind JS Alternators

July 4th SALE IS LIVE! FREE shipping on qualifying orders over $99

Sundown Audio • Down4Sound • American Bass • Orion • Resilient Sounds & more top brands — in stock

Need help building your system? Contact our team

The same team behind JS Alternators

July 4th SALE IS LIVE! FREE shipping on qualifying orders over $99

Sundown Audio • Down4Sound • American Bass • Orion • Resilient Sounds & more top brands — in stock

Need help building your system? Contact our team

The same team behind JS Alternators

July 4th SALE IS LIVE! FREE shipping on qualifying orders over $99

Sundown Audio • Down4Sound • American Bass • Orion • Resilient Sounds & more top brands — in stock

Need help building your system? Contact our team

The same team behind JS Alternators

July 4th SALE IS LIVE! FREE shipping on qualifying orders over $99

Sundown Audio • Down4Sound • American Bass • Orion • Resilient Sounds & more top brands — in stock

Need help building your system? Contact our team

The same team behind JS Alternators

July 4th SALE IS LIVE! FREE shipping on qualifying orders over $99

Sundown Audio • Down4Sound • American Bass • Orion • Resilient Sounds & more top brands — in stock

Need help building your system? Contact our team

The same team behind JS Alternators

Shop by Vehicle
- Car Audio
  
  Subwoofers
  Amplifiers
  Speakers & Pro Audio
  Subwoofer Enclosures
  Stereos & Head Units
  Recone Kits
- Marine
  
  Shop All Marine
  Tower Speakers
  Speakers
  Amplifiers
  Soundbars
  Enclosures
  Lighting
  Batteries & Electrical
  Accessories
- Powersports & UTV
  
  Shop All Powersports
  Batteries & Electrical
  Wiring & Accessories
  Subwoofers
  Accessories
  Bundles & Packages
- Motorcycle & Bagger
  
  Shop All Motorcycle & Bagger
  Subwoofers
  Speakers
  Amplifiers
  Batteries & Electrical
  Accessories
  Bundles & Packages
- Jeep & Bronco
  
  Shop All Jeep & Bronco
  Soundbars
  Tower Speakers
  Speakers
  Subwoofers
  Enclosures
  Lighting
  Bundles & Packages
  Accessories
Brands
Subwoofers
Amplifiers
Speakers
Enclosures
Bundles
Batteries
Accessories
Alternators
Wiring

JS Ultimate Sounds

Search
Login
Cart
0 items

Alternators

Account

315 Custom Audio
American Bass
Audio Ace
B2 Audio
Basshead Supply
Colossal Sounds
Crescendo Audio
Custom Speaker Pods
DC Audio
Down4Sound
DS18
Elite Sounds
FatMat
JS Alternators
Limitless Lithium
Lithium Pros
Orion
Pride Audio
Resilient Sounds
SoundQubed
Stealth Energy
Stetsom
Sundown Audio
Taramps
VFL Audio
XS Power

Shop All Subwoofers
8"
10"
12"
15"
18"
21"
6.5"
Recone Kits

Shop All Amplifiers
Monoblock
2-Channel
4-Channel
5-Channel
6-Channel

Shop All Speakers
3.5"
4"
5.25"
6.5"
6x9
4x6
5x7 / 6x8
8"
10"
12"
Tweeters
Pro Audio (Mids & Horns)

Shop All Enclosures
8"
10"
12"
15"
18"

Shop All Bundles
Subwoofer + Enclosure
DS18 Bundles

Shop All Batteries
AGM Batteries
LiFePO4 / LFP Batteries
LTO Batteries
Sodium-Ion Batteries

Shop All Accessories
Stereos / Head Units
Signal Processors & DSP
Crossovers & Bass Blockers
Bass Knobs & Remotes
Speaker Grilles & Trim
Mounting Hardware & Brackets
Voltage Meters & Monitors
Backup Cameras
Sound Deadening
Replacement Parts

Shop All Wiring
Amp Wiring Kits
Big 3 Upgrade Kits
Power & Ground Wire
Speaker Wire
RCA Cables
Distribution Blocks
Fuses & Breakers
Terminals, Lugs & Hardware

Subwoofers
Amplifiers
Speakers & Pro Audio
Subwoofer Enclosures
Stereos & Head Units
Recone Kits

Shop All Marine
Tower Speakers
Speakers
Amplifiers
Soundbars
Enclosures
Lighting
Batteries & Electrical
Accessories

Shop All Powersports
Batteries & Electrical
Wiring & Accessories
Subwoofers
Accessories
Bundles & Packages

Shop All Motorcycle & Bagger
Subwoofers
Speakers
Amplifiers
Batteries & Electrical
Accessories
Bundles & Packages

Shop All Jeep & Bronco
Soundbars
Tower Speakers
Speakers
Subwoofers
Enclosures
Lighting
Bundles & Packages
Accessories

Your cart is empty

Continue shopping

Car Audio

Filters

Sort by

Featured

Most relevant

Best selling

Alphabetically, A-Z

Alphabetically, Z-A

Price, low to high

Price, high to low

Date, old to new

Date, new to old

In stock only

Price

$ to $

Brand

315 Custom Audio (13)

American Bass (160)

Audio Ace (26)

B2 Audio (133)

Basshead Supply (413)

Colossal Sounds (5)

Crescendo Audio (58)

Custom Speaker Pods (40)

DC Audio (89)

Down4Sound (413)

DS18 (1213)

Elite Sounds (15)

FatMat (6)

JS Alternators (36)

Limitless Lithium (48)

Lithium Pros (24)

Nagy's Customs (11)

Orion Car Audio (280)

Pride Audio (120)

Resilient Sounds (77)

SoundQubed (136)

Stealth Energy (9)

Stetsom (56)

Sundown Audio (240)

Taramps (89)

VFL (43)

XS Power (226)

Size

4x6 (2)

6x8 (2)

6x9 (5)

1" (40)

1.1" (1)

1.3" (1)

1.4" (1)

1.5" (2)

1.6" (2)

1.7" (1)

1.75" (2)

1.9" (1)

1.92" (1)

2" (53)

2.2" (2)

2.25" (1)

2.3" (3)

2.5" (9)

2.7" (2)

2.75" (1)

3" (26)

3.2" (2)

3.4" (1)

3.5" (13)

3.6" (2)

3.75" (1)

3.8" (14)

3.9" (2)

4" (37)

4.0" (1)

4.5" (9)

4.6" (2)

5" (3)

5.25" (15)

5.35" (1)

5.7" (2)

5.75" (1)

6" (9)

6.3" (1)

6.5" (314)

6.9" (4)

7" (2)

8" (325)

9" (9)

10" (340)

12" (321)

13" (1)

13.5" (2)

15" (235)

18" (86)

21" (3)

24" (2)

25" (8)

26" (1)

28" (2)

30" (1)

32" (1)

33" (1)

35" (2)

37" (4)

39" (1)

75" (5)

95" (1)

4x6" (5)

5x7" (6)

6x9" (27)

7x9" (1)

Amplifier Channels

0-Channel (1)

1 (monoblock)-Channel (3)

1-Channel (1)

2-Channel (64)

4-Channel (115)

5-Channel (18)

6-Channel (6)

7-Channel (1)

8-Channel (1)

Monoblock (219)

Impedance

1 Ohm (53)

2 Ohm (95)

3 Ohm (4)

4 Ohm (511)

6 Ohm (4)

8 Ohm (166)

4 Ω (2)

8 Ω (1)

4 or 8 Ω (9)

Dual 1 Ohm (70)

Dual 2 Ohm (90)

Dual 4 Ohm (66)

RMS Power

1 (2)

2 (2)

20 (1)

100W x4 RMS (1)

1W RMS (1)

15W RMS (1)

20W RMS (2)

25W RMS (2)

30W RMS (8)

40W RMS (10)

45W RMS (3)

50W RMS (15)

60W RMS (12)

65W RMS (2)

70W RMS (4)

75W RMS (9)

80W RMS (15)

90W RMS (4)

100W RMS (65)

110W RMS (6)

120W RMS (21)

125W RMS (18)

130W RMS (4)

140W RMS (8)

145W RMS (3)

150W RMS (69)

160W RMS (4)

165W RMS (1)

175W RMS (8)

180W RMS (23)

190W RMS (6)

200W RMS (88)

210W RMS (1)

220W RMS (6)

224W RMS (1)

225W RMS (6)

230W RMS (1)

240W RMS (1)

245W RMS (1)

250W RMS (67)

266W RMS (1)

275W RMS (16)

290W RMS (2)

300W RMS (92)

325W RMS (2)

350W RMS (34)

400W RMS (69)

450W RMS (16)

500W RMS (67)

550W RMS (4)

574W RMS (2)

600W RMS (52)

650W RMS (3)

675W RMS (3)

700W RMS (17)

750W RMS (28)

800W RMS (26)

850W RMS (2)

900W RMS (5)

1000W RMS (57)

1100W RMS (2)

1200W RMS (16)

1250W RMS (18)

1260W RMS (1)

1300W RMS (4)

1400W RMS (1)

1500W RMS (49)

1600W RMS (3)

1650W RMS (1)

1700W RMS (6)

1750W RMS (3)

1800W RMS (4)

2000W RMS (57)

2200W RMS (8)

2300W RMS (3)

2340W RMS (1)

2500W RMS (35)

2700W RMS (4)

2800W RMS (1)

3000W RMS (44)

3250W RMS (4)

3500W RMS (33)

4000W RMS (25)

4500W RMS (2)

4700W RMS (3)

5000W RMS (29)

5500W RMS (2)

6000W RMS (6)

6500W RMS (3)

7500W RMS (6)

8000W RMS (13)

10000W RMS (12)

12000W RMS (2)

12500W RMS (2)

15000W RMS (2)

17000W RMS (2)

180000W RMS (1)

1400W (200W x4 RMS) (1)

1600W (250W x4 RMS) (1)

2000W (325W x4 RMS) (1)

Enclosure Type

Ported (493)

Sealed (11)

Number of Subs

2 (2)

4 (4)

Dual (2) (220)

Quad (4) (12)

Single (1) (252)

Triple (3) (10)

Cover Design

BIG Combs (2)

BIG Slots (2)

Billz (2)

Double B (2)

Flakes (2)

Honey Comb (2)

Leafy (2)

Radioactive (2)

Slots (2)

Team Bassheads (2)

Vortex (2)

Product Category

Add-On / Service (5)

Alternator Parts (28)

Amp Wiring Kit (81)

Audio Accessory (4)

Bass Knob / Remote (19)

Big 3 Upgrade Kit (12)

Camera & Safety (7)

Capacitor (2)

Charger / Power Supply (8)

Cooling Fan (2)

Covers & Protectors (6)

Crossover / Bass Blocker (8)

Distribution Block (41)

Fuse / Breaker (44)

Grille / Trim (33)

Head Unit / Stereo (26)

Heat Shrink / Loom / Wire Mgmt (4)

Isolator / Module (16)

Meters & Monitors (7)

Misc Accessory (44)

Mounting Hardware (50)

Power & Ground Wire (88)

RCA Cable (155)

Replacement Part (55)

Security & Alarm (3)

Signal Processor / DSP (115)

Sound Deadening (49)

Speaker Wire (51)

Terminal / Lug / Hardware (120)

Tools (1)

Product type

Accessories (295)

AGM Car Audio Batteries (96)

Amp Kits (85)

Amplifiers (497)

Battery Chargers (46)

Head Units (26)

Horns & Compression Drivers (121)

Isolators, Modules & Accessories (16)

Lighting (113)

Lithium Car Audio Batteries (72)

Lithium Titanate (LTO) Batteries (32)

Power & Ground Wire (90)

Pro Audio Speakers (434)

RCA Cables (154)

Replacement Parts (44)

Signal Processors (108)

Sodium-Ion Car Audio Batteries (3)

Sound Deadening (39)

Speaker Wire (51)

Speakers (238)

Subwoofer Enclosures (573)

Subwoofers (462)

Terminals, Hardware & Hold-Downs (193)

Thump Covers (22)

Tweeters (131)

Ultracapacitor Banks (38)

Wire Gauge

2 AWG (3)

4 AWG (32)

8 AWG (32)

10 AWG (5)

12 AWG (12)

14 AWG (10)

16 AWG (8)

18 AWG (1)

1/0 AWG (91)

2/0 AWG (8)

Conductor

CCA (Copper-Clad Aluminum) (43)

OFC (Oxygen-Free Copper) (121)

Tinned OFC (45)

Filters

Sort by:

In stock only

Price

$ to $

Brand

315 Custom Audio (13)

American Bass (160)

Audio Ace (26)

B2 Audio (133)

Basshead Supply (413)

Colossal Sounds (5)

Crescendo Audio (58)

Custom Speaker Pods (40)

DC Audio (89)

Down4Sound (413)

DS18 (1213)

Elite Sounds (15)

FatMat (6)

JS Alternators (36)

Limitless Lithium (48)

Lithium Pros (24)

Nagy's Customs (11)

Orion Car Audio (280)

Pride Audio (120)

Resilient Sounds (77)

SoundQubed (136)

Stealth Energy (9)

Stetsom (56)

Sundown Audio (240)

Taramps (89)

VFL (43)

XS Power (226)

Size

4x6 (2)

6x8 (2)

6x9 (5)

1" (40)

1.1" (1)

1.3" (1)

1.4" (1)

1.5" (2)

1.6" (2)

1.7" (1)

1.75" (2)

1.9" (1)

1.92" (1)

2" (53)

2.2" (2)

2.25" (1)

2.3" (3)

2.5" (9)

2.7" (2)

2.75" (1)

3" (26)

3.2" (2)

3.4" (1)

3.5" (13)

3.6" (2)

3.75" (1)

3.8" (14)

3.9" (2)

4" (37)

4.0" (1)

4.5" (9)

4.6" (2)

5" (3)

5.25" (15)

5.35" (1)

5.7" (2)

5.75" (1)

6" (9)

6.3" (1)

6.5" (314)

6.9" (4)

7" (2)

8" (325)

9" (9)

10" (340)

12" (321)

13" (1)

13.5" (2)

15" (235)

18" (86)

21" (3)

24" (2)

25" (8)

26" (1)

28" (2)

30" (1)

32" (1)

33" (1)

35" (2)

37" (4)

39" (1)

75" (5)

95" (1)

4x6" (5)

5x7" (6)

6x9" (27)

7x9" (1)

Amplifier Channels

0-Channel (1)

1 (monoblock)-Channel (3)

1-Channel (1)

2-Channel (64)

4-Channel (115)

5-Channel (18)

6-Channel (6)

7-Channel (1)

8-Channel (1)

Monoblock (219)

Impedance

1 Ohm (53)

2 Ohm (95)

3 Ohm (4)

4 Ohm (511)

6 Ohm (4)

8 Ohm (166)

4 Ω (2)

8 Ω (1)

4 or 8 Ω (9)

Dual 1 Ohm (70)

Dual 2 Ohm (90)

Dual 4 Ohm (66)

RMS Power

1 (2)

2 (2)

20 (1)

100W x4 RMS (1)

1W RMS (1)

15W RMS (1)

20W RMS (2)

25W RMS (2)

30W RMS (8)

40W RMS (10)

45W RMS (3)

50W RMS (15)

60W RMS (12)

65W RMS (2)

70W RMS (4)

75W RMS (9)

80W RMS (15)

90W RMS (4)

100W RMS (65)

110W RMS (6)

120W RMS (21)

125W RMS (18)

130W RMS (4)

140W RMS (8)

145W RMS (3)

150W RMS (69)

160W RMS (4)

165W RMS (1)

175W RMS (8)

180W RMS (23)

190W RMS (6)

200W RMS (88)

210W RMS (1)

220W RMS (6)

224W RMS (1)

225W RMS (6)

230W RMS (1)

240W RMS (1)

245W RMS (1)

250W RMS (67)

266W RMS (1)

275W RMS (16)

290W RMS (2)

300W RMS (92)

325W RMS (2)

350W RMS (34)

400W RMS (69)

450W RMS (16)

500W RMS (67)

550W RMS (4)

574W RMS (2)

600W RMS (52)

650W RMS (3)

675W RMS (3)

700W RMS (17)

750W RMS (28)

800W RMS (26)

850W RMS (2)

900W RMS (5)

1000W RMS (57)

1100W RMS (2)

1200W RMS (16)

1250W RMS (18)

1260W RMS (1)

1300W RMS (4)

1400W RMS (1)

1500W RMS (49)

1600W RMS (3)

1650W RMS (1)

1700W RMS (6)

1750W RMS (3)

1800W RMS (4)

2000W RMS (57)

2200W RMS (8)

2300W RMS (3)

2340W RMS (1)

2500W RMS (35)

2700W RMS (4)

2800W RMS (1)

3000W RMS (44)

3250W RMS (4)

3500W RMS (33)

4000W RMS (25)

4500W RMS (2)

4700W RMS (3)

5000W RMS (29)

5500W RMS (2)

6000W RMS (6)

6500W RMS (3)

7500W RMS (6)

8000W RMS (13)

10000W RMS (12)

12000W RMS (2)

12500W RMS (2)

15000W RMS (2)

17000W RMS (2)

180000W RMS (1)

1400W (200W x4 RMS) (1)

1600W (250W x4 RMS) (1)

2000W (325W x4 RMS) (1)

Enclosure Type

Ported (493)

Sealed (11)

Number of Subs

2 (2)

4 (4)

Dual (2) (220)

Quad (4) (12)

Single (1) (252)

Triple (3) (10)

Cover Design

BIG Combs (2)

BIG Slots (2)

Billz (2)

Double B (2)

Flakes (2)

Honey Comb (2)

Leafy (2)

Radioactive (2)

Slots (2)

Team Bassheads (2)

Vortex (2)

Product Category

Add-On / Service (5)

Alternator Parts (28)

Amp Wiring Kit (81)

Audio Accessory (4)

Bass Knob / Remote (19)

Big 3 Upgrade Kit (12)

Camera & Safety (7)

Capacitor (2)

Charger / Power Supply (8)

Cooling Fan (2)

Covers & Protectors (6)

Crossover / Bass Blocker (8)

Distribution Block (41)

Fuse / Breaker (44)

Grille / Trim (33)

Head Unit / Stereo (26)

Heat Shrink / Loom / Wire Mgmt (4)

Isolator / Module (16)

Meters & Monitors (7)

Misc Accessory (44)

Mounting Hardware (50)

Power & Ground Wire (88)

RCA Cable (155)

Replacement Part (55)

Security & Alarm (3)

Signal Processor / DSP (115)

Sound Deadening (49)

Speaker Wire (51)

Terminal / Lug / Hardware (120)

Tools (1)

Product type

Accessories (295)

AGM Car Audio Batteries (96)

Amp Kits (85)

Amplifiers (497)

Battery Chargers (46)

Head Units (26)

Horns & Compression Drivers (121)

Isolators, Modules & Accessories (16)

Lighting (113)

Lithium Car Audio Batteries (72)

Lithium Titanate (LTO) Batteries (32)

Power & Ground Wire (90)

Pro Audio Speakers (434)

RCA Cables (154)

Replacement Parts (44)

Signal Processors (108)

Sodium-Ion Car Audio Batteries (3)

Sound Deadening (39)

Speaker Wire (51)

Speakers (238)

Subwoofer Enclosures (573)

Subwoofers (462)

Terminals, Hardware & Hold-Downs (193)

Thump Covers (22)

Tweeters (131)

Ultracapacitor Banks (38)

Wire Gauge

2 AWG (3)

4 AWG (32)

8 AWG (32)

10 AWG (5)

12 AWG (12)

14 AWG (10)

16 AWG (8)

18 AWG (1)

1/0 AWG (91)

2/0 AWG (8)

Conductor

CCA (Copper-Clad Aluminum) (43)

OFC (Oxygen-Free Copper) (121)

Tinned OFC (45)

3979 products

Down4Sound

Down4Sound D4S LTO 6.0 Battery Buss Bars

Sale price$49.99

Down4Sound

Down4Sound GM 86-95 5.7L Dual Alternator Kit

Sale price$299.99

Down4Sound

Down4Sound GM 96 - 2000 5.7L Triple Alternator Kit

Sale price$399.99

Sold out

Down4Sound

Down4Sound GM 2000- 2013 4.8 - 5.3 - 6.0 - 6.2 Dual Alternator Kit

Sale price$299.99

Down4Sound

Down4Sound GM 2000- 2013 5.3L Triple Alternator Kit

Sale price$399.99

Down4Sound

Down4Sound GM 96 - 2000 5.7L Dual Alternator Kit

Sale price$299.99

Down4Sound

Down4Sound GM 96 - 2000 5.7L Quad Alternator Kit

Sale price$499.99

Down4Sound

Down4Sound GM 2000- 2013 Quad Alternator Kit

Sale price$499.99

Down4Sound

Down4Sound GM 86-95 4.3-5.7L Dual Alternator Kit

Sale price$299.99

Sold out

Limitless Lithium

Limitless Lithium Super Cap 2.7V 3000F Single Ultracapacitor Cell

Sale price$61.99

Sold out

Limitless Lithium

Limitless Lithium Super Caps 2.7V 3000F Ultracapacitor Bank of 6

Sale price$399.00

Sold out

Limitless Lithium

Limitless Lithium Super Cap Battery 6-Cell 2.7V 3000F Ultracapacitor Bank

Sale price$599.00

Sold out

XS Power

XS Power SB75-5 75F 12V SuperBank Ultracapacitor

Sale price$199.99

Sold out

XS Power

XS Power SB75-14Q 75F 12V SuperBank Ultracapacitor

Sale price$199.99

Sold out

XS Power

XS Power SB75-20Q 75F 12V SuperBank Ultracapacitor

Sale price$199.99

Sold out

XS Power

XS Power SB75-30Q 75F 12V SuperBank Ultracapacitor

Sale price$199.99

Sold out

XS Power

XS Power SB75-545L 75F 12V SuperBank Ultracapacitor

Sale price$199.99

Sold out

XS Power

XS Power SB75-680L 75F 12V SuperBank Ultracapacitor

Sale price$199.99

XS Power

XS Power SB75-925L 75F 12V SuperBank Ultracapacitor

Sale price$199.99

XS Power

XS Power SB75-975L 75F 12V SuperBank Ultracapacitor

Sale price$199.99

XS Power

XS Power SB150-30Q 150F 12V SuperBank Ultracapacitor

Sale price$299.99

Sold out

XS Power

XS Power SB150-925L 150F 12V SuperBank Ultracapacitor

Sale price$299.99

Sold out

XS Power

XS Power SB75-5CK 75F 12V SuperBank Ultracapacitor

Sale price$319.98

Sold out

XS Power

XS Power SB150-975L 150F 12V SuperBank Ultracapacitor

Sale price$299.99

21 / 166

Everything for your car audio system — subwoofers, amplifiers, speakers, pro audio, enclosures, head units, batteries, wiring, and install accessories from every brand we carry.

Free Shipping Over $99

Free shipping applies to qualifying orders within the contiguous US. Oversized and special-order items may vary.

Expert Support

Real car-audio enthusiasts, ready to help you build it right.

Bundles & Deals

Save on pre-matched bass packages and combo deals.

Secure Checkout

Shop safely with encrypted, secure payment options.

E-mail

Customer Care

Contact Us
FAQ
Shipping Policy
Returns & Warranty
Refund Policy
Terms of Service
Legal Notice
Track Your Order

Shop

About Us
Best Sellers
Bundles & Deals
Subwoofer Wiring Diagram
Blog
Privacy Policy

About our store

146 W. Phillips Rd. Suite H, Greer, SC 29650

864-479-4340

contact@jsultimatesounds.com

Privacy policy
Refund policy
Terms of service
Contact information
Shipping policy
Legal notice

Select your vehicle

Clear filters