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1999 Saturn SL1

Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Universal-Fit Audio for 1999 Saturn SL1

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

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Wet Sounds ST-ADP-SLIDER BRACKET

Slider Mounting Bracket for Stealth HD and XT Soundbars

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Slider Mounting Bracket for Stealth HD and XT Soundbars

• Slider mounting bracket for Stealth HD and XT soundbars
• CNC'd from billet aluminum for extra durability
• Allows adjusting of soundbar mounting width
• Includes brackets, bolts, lock-washers, and flat-washers (2 each)

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• Slider mounting bracket for Stealth HD and XT soundbars
• CNC'd from billet aluminum for extra durability
• Allows adjusting of soundbar mounting width
• Includes brackets, bolts, lock-washers, and flat-washers (2 each)

Belva BAMMD3

Automotive 9-Function Digital Multimeter Tester

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Automotive 9-Function Digital Multimeter Tester

• Features easy-to-read 2-3/4" Digital display
• Updates 2.5 times per second
• Low battery indicator
• Over range indicator
• Includes two 36 in. 18 gauge CCA test leads

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• Features easy-to-read 2-3/4" Digital display
• Updates 2.5 times per second
• Low battery indicator
• Over range indicator
• Includes two 36 in. 18 gauge CCA test leads

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NVX VCW122 Version 3 (VCW122v3)

2400W Peak (1200W RMS) 12" VC-Series v3 Dual 2-ohm Car Subwoofer

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2400W Peak (1200W RMS) 12" VC-Series v3 Dual 2-ohm Car Subwoofer

• Peak Power: 2400 watts
• RMS Power: 1200 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 7.02"
• Sensitivity: 85 dB (1W/1m)

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JBL JBLSUBBPACCKITAM

BassPro Go Vehicle Installation Kit

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BassPro Go Vehicle Installation Kit

• BassPro Go Vehicle Installation Kit
• Designed for installing a JBL BassPro Go powered subwoofer in another vehicle
• Vehicle mounting bracket, hardware and harnesses included

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List price $139.95
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• BassPro Go Vehicle Installation Kit
• Designed for installing a JBL BassPro Go powered subwoofer in another vehicle
• Vehicle mounting bracket, hardware and harnesses included

Metra 44-EC48 Antenna Extension

48" Universal Antenna Extension Cable

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48" Universal Antenna Extension Cable

• Universal Antenna Extender • Extends Antenna 48" (4 ft.)

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• Universal Antenna Extender • Extends Antenna 48" (4 ft.)

JL Audio 10W0v3-4

300W RMS 10" W0v3 Series Single 4-ohm Car Subwoofer

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300W RMS 10" W0v3 Series Single 4-ohm Car Subwoofer

• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Mount depth: 4.90"
• Sensitivity: 84.07 dB

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JL Audio JD400/4

400W RMS Class D JD Series 4 Channel Car Amplifier

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400W RMS Class D JD Series 4 Channel Car Amplifier

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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NVX XKIT44

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Sundown Audio GT-R1 (GT1R8)

100W RMS 2" 8-ohm Pro Audio Super Tweeter (S-GT1R8)

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100W RMS 2" 8-ohm Pro Audio Super Tweeter (S-GT1R8)

• Super Tweeter
• 100 watts RMS Each
• 8 ohm Impedance

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• Super Tweeter
• 100 watts RMS Each
• 8 ohm Impedance

Kenwood KCA-RC35MR

Wired Marine Remote Control for KMR-700U, KMR-550U, KMR-D765BT and KMR-350U

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Wired Marine Remote Control for KMR-700U, KMR-550U, KMR-D765BT and KMR-350U

• Wired Remote Control
• Designed for Marine Environments
• Compatible with Kenwood Marine & In-Dash Head Units
• Includes Mounting Hardware

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• Wired Remote Control
• Designed for Marine Environments
• Compatible with Kenwood Marine & In-Dash Head Units
• Includes Mounting Hardware

NVX XW8BL20

20 ft 8-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Blue)

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20 ft 8-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Blue)

• 20 feet 8 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue

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Rockford Fosgate RFC10HB 10 Farad Hybrid Capacitor

Hybrid Digital Stiffening Capacitor and Distribution Block

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Hybrid Digital Stiffening Capacitor and Distribution Block

• 10 farad Hybrid Digital Capacitor
• Increases quality of sound
• Increases level of bass
• Platinum plated

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• 10 farad Hybrid Digital Capacitor
• Increases quality of sound
• Increases level of bass
• Platinum plated

NVX XW4BL5

5 ft 4-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Blue)

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5 ft 4-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Blue)

• 5 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue

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• 5 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue

NVX XKIT42

Full Spec 4 Gauge 100% (OFC) Oxygen Free Copper Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1500 Watts

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Full Spec 4 Gauge 100% (OFC) Oxygen Free Copper Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1500 Watts

• Complete 4 Gauge Amplifier Installation Kit
• For Amplifiers Up To 1500 Watts RMS
• 100% (OFC) Oxygen Free Copper
• Dual Twisted Pair 2-Channel RCA Cable
• Tinned conductors for corrosion resistance
• Pre-terminated seamless power and ground ring terminals
• ANL/Mini-ANL Fuse Holder with 100 amp fuse
• CEA-2015 and BC5W2 Compliant

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Available Offers (2) for NVX XKIT42
15% off an NVX XCAP10H w/ Select Amp Kits Add a qualifying amplifier to your cart and save 15% on the NVX XCAP10H Capacitor! No code needed — discount applies automatically at checkout.
15% off an NVX XCAP1F w/ Select Amp Kits Add a qualifying amplifier to your cart and save 15% on the NVX XCAP1F Capacitor! No code needed — discount applies automatically at checkout.

Audiovox VODP10

10.1" High-Resolution Digital LED Backlit Overhead Monitor with Two Headphones

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10.1" High-Resolution Digital LED Backlit Overhead Monitor with Two Headphones

• 10.1" High-Resolution Digital LED Backlit Overhead Monitor
• Built-in DVD, USB and HDMI inputs
• Dual channel IR headphone transmitter with 2 headphones
• Display Type: TFT Active Matrix LCD
• Screen Resolution: 1024 x 600

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• 10.1" High-Resolution Digital LED Backlit Overhead Monitor
• Built-in DVD, USB and HDMI inputs
• Dual channel IR headphone transmitter with 2 headphones
• Display Type: TFT Active Matrix LCD
• Screen Resolution: 1024 x 600

Deaf Bonce Apocalypse ATOM 1300.1 PRO

1300W RMS Class D Apocalypse Atom Pro Series Monoblock Car Amplifier with Bass Remote

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1300W RMS Class D Apocalypse Atom Pro Series Monoblock Car Amplifier with Bass Remote

• 490 watts x 1 channel @ 4 ohm
• 780 watts x 1 channel @ 2 ohm
• 1300 watts x 1 channel @ 1 ohm
• Total RMS Power: 1300 watts
• Class D 1 ohm Stable Monoblock Amplifier

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$199.90

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• 490 watts x 1 channel @ 4 ohm
• 780 watts x 1 channel @ 2 ohm
• 1300 watts x 1 channel @ 1 ohm
• Total RMS Power: 1300 watts
• Class D 1 ohm Stable Monoblock Amplifier

Dual 12" 3/4 MDF Sealed Subwoofer Enclosure (Belva MDFD12)

Dual 12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/Polyfil (2.46 cu ft Airspace - 12SQB)

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Dual 12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/Polyfil (2.46 cu ft Airspace - 12SQB)

• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals

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• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals

Stinger SI4617

17 ft. (5.1 meters) of 6-Channel 4000 Series RCA Interconnect Cables

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17 ft. (5.1 meters) of 6-Channel 4000 Series RCA Interconnect Cables

• 6-Channel 4000 Series RCA Interconnect Cables
• 17 ft. (5.1 meter) Cables
• Stinger Audiophile Grade
• Twisted Pair Construction
• Perfect for 5-Channel Amplifiers
• Durable

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• 6-Channel 4000 Series RCA Interconnect Cables
• 17 ft. (5.1 meter) Cables
• Stinger Audiophile Grade
• Twisted Pair Construction
• Perfect for 5-Channel Amplifiers
• Durable

NVX VPRO35TW

240W Peak (120W RMS) 3.5" V-Series Pro Audio Super Slim Bullet Tweeters

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240W Peak (120W RMS) 3.5" V-Series Pro Audio Super Slim Bullet Tweeters

• 3.5" Pro Audio Bullet Tweeters
• 240 watts Peak Each
• 120 watts RMS Each
• 4 ohm Impedance

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Limitless Lithium 25A12V-CRG

25A 12V Stock Voltage Battery Charger

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25A 12V Stock Voltage Battery Charger

• Stock Voltage Battery Charger
• Recommended for Nano, Retro Pro and No-Li batteries
• Designed for charging 15 volts batteries
• Features LED function display type

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$239.00

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• Stock Voltage Battery Charger
• Recommended for Nano, Retro Pro and No-Li batteries
• Designed for charging 15 volts batteries
• Features LED function display type

Scosche BOBAZT Stereo Connector Kit

Great Connection Kit for Stereo to Car Wire Harness with Zip Ties and Butt Connectors

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Great Connection Kit for Stereo to Car Wire Harness with Zip Ties and Butt Connectors

• Designed to connect in-dash receiver wiring harness to vehicle wiring harness

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• Designed to connect in-dash receiver wiring harness to vehicle wiring harness

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    FAQ for Universal-Fit Audio & Electronics in 1999 SL1

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1999 Saturn SL1?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your SL1.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.