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MB Quart DK2-113

180W Peak (90W RMS) 5.25" Discus Series 2-way 4-ohm Coaxial Car Speakers

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180W Peak (90W RMS) 5.25" Discus Series 2-way 4-ohm Coaxial Car Speakers

• 90 watts Peak Each, 45 watts RMS Each
• Aluminum Inverted Dome tweeters
• Lightweight Thermoformed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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List price $79.99
-13% $69.99 /pair

Available

Ships in 10-14 days

Diamond Audio MP525

300W Peak (150W RMS) 5.25" Motorsport Series Pro Audio Full-Range Coaxial Horn Speakers

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300W Peak (150W RMS) 5.25" Motorsport Series Pro Audio Full-Range Coaxial Horn Speakers

• 300 watts Peak Each, 150 watts RMS Each
• 1" Horn tweeters
• Impedance:
• Sensitivity: 101 dB

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$439.99 /pair

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Only 2 Left!

DS18 PRO-CUPOLA3 (Sold Individually)

400W Peak (150W RMS) 5.25" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

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400W Peak (150W RMS) 5.25" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

• 400 watts Peak, 150 watts RMS
• Coated non-resonant soft dome material
• Ultra-high sound quality
• Perfect for studio monitors or Hi-Fi applications
• Impedance: 4 ohm
• Sensitivity: 96 dB

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List price $239.99
-17% $199.95

In stock.

DS18 PRO-X5.4M (Sold Individually)

300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Midrange Loudspeaker

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300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Midrange Loudspeaker

• 300 watts Peak Each, 150 watts RMS Each
• Red Steel Basket
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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1
$44.95

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PRV Audio 4MR60-NDY-4

120W Peak (60W RMS) 4" MR Series Pro Audio Midrange 4-ohm Car Speaker (Sold Individually)

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120W Peak (60W RMS) 4" MR Series Pro Audio Midrange 4-ohm Car Speaker (Sold Individually)

• 120 watts Peak Each, 60 watts RMS Each
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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List price $49.89
-20% $39.91

Available

Ships in 10-14 days

Limited time!

Earthquake Sound VTEK-52Xi

800W RMS 5.25" VTEK Series 2-Way Coaxial 2-ohm Car Speakers

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800W RMS 5.25" VTEK Series 2-Way Coaxial 2-ohm Car Speakers

• 400 watts RMS Each
• 3/4" Silk Dome swiveling tweeters
• Glass Carbon Fiber cone material
• Impedance: 2 ohm
• Sensitivity: 89 dB

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$159.00 /pair

In stock.

American Bass SQ-5.25-FR

240W Peak (120W RMS) 5.25" SQ Series 2 Way Full Range Coaxial 4-ohm Speakers

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240W Peak (120W RMS) 5.25" SQ Series 2 Way Full Range Coaxial 4-ohm Speakers

• 120 watts Peak Each, 60 watts RMS Each
• Swivel 3/4" Neodymium Dome Tweeters
• Glass Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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List price $83.00
-40% $49.40 /pair

In stock.

Kenwood KFC-C1356S

520W Peak (60W RMS) 5.25" 2-way 4-ohm Dual Cone Car Speakers

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520W Peak (60W RMS) 5.25" 2-way 4-ohm Dual Cone Car Speakers

• 260 watts Peak Each, 30 watts RMS Each
• Cone tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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List price $60.00
-42% $34.99 /pair

Available

Ships in 10-14 days

DS18 PRO-X4.4BMSL (Sold Individually)

200W Peak (100W RMS) 4" PRO-X Series 8-ohm Shallow-mount Mid-range Speaker

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200W Peak (100W RMS) 4" PRO-X Series 8-ohm Shallow-mount Mid-range Speaker

• 200 watts Peak Each, 100 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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$39.95

In stock.

DS18 PRO-X5M

300W Peak (150W RMS) 5.25” PRO-X Series 8-ohm Midrange Car Loudspeaker

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300W Peak (150W RMS) 5.25” PRO-X Series 8-ohm Midrange Car Loudspeaker

• 300 watts Peak Each, 150 watts RMS Each
• Glossy red steel basket material
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 90 dB

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$44.95

In stock.

Limited time!

MTX SS5

250W RMS 5.25" Signature Series 2 Way Component 4-ohm System

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250W RMS 5.25" Signature Series 2 Way Component 4-ohm System

• 125 watts RMS Each
• 1-3/16" Teteron Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 84.9 dB

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$499.95 /set

Available

Ships in 10-14 days

Lowest price in 30 days

NVX VADM4 Amplifier + 5.25" NVX Speakers

400W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

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400W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

• 400 Watt True RMS Output!
• Marine Certified 4-Channel Micro Class D Amplifier
• 75W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/2 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

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68
List price $371.97
-27% $269.97

In stock

• 400 Watt True RMS Output!
• Marine Certified 4-Channel Micro Class D Amplifier
• 75W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/2 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

DS18 PRO-X4M (Sold Individually)

200W Peak (100W RMS) 4" PRO-X Series 8-ohm Mid-range Speaker

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200W Peak (100W RMS) 4" PRO-X Series 8-ohm Mid-range Speaker

• 200 watts Peak Each, 100 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 85.7 dB

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$37.95

In stock.

Deaf Bonce Black Hydra Delta 513X

240W Peak (140W RMS) 5.25" Black Hydra Series 2 Way Coaxial 4-ohm Speakers

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240W Peak (140W RMS) 5.25" Black Hydra Series 2 Way Coaxial 4-ohm Speakers

• 120 watts Peak Each, 60 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 87.4 dB

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$49.90 /pair

Available

Ships in 10-14 days

American Bass SYMPHONY 5.25 FR

300W Peak (150W RMS) 5.25" Symphony Series 2 Way Coaxial 4-ohm Speakers

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300W Peak (150W RMS) 5.25" Symphony Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• Neodymium Cone tweeters
• cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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List price $70.45
-34% $46.28 /pair

In stock.

Deaf Bonce Machete MFX-50

200W Peak (100W RMS) 5.25" Machete Series 2 Way Coaxial 4-ohm Speakers

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200W Peak (100W RMS) 5.25" Machete Series 2 Way Coaxial 4-ohm Speakers

• 100 watts Peak Each, 50 watts RMS Each
• Dome Tweeters
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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$39.90 /pair

Available

Ships in 10-14 days

Limited time!

JL Audio C2-525

120W RMS 5.25" C2 Series 2-Way 4-ohm Component Speaker System

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120W RMS 5.25" C2 Series 2-Way 4-ohm Component Speaker System

• 60 watts RMS Each
• 3/4" Silk Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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$329.99 /set

• 60 watts RMS Each
• 3/4" Silk Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Alpine S2-S50 with Sound Damping

340W Peak (110W RMS) 5.25" S-Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

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340W Peak (110W RMS) 5.25" S-Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 170 watts Peak Each, 55 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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48
List price $178.74
-19% $144.94

In stock

Only 2 Left!

• 170 watts Peak Each, 55 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

Hertz CK 130 + FREE $100 Gift Card

5.25" Cento Series 2-Way Component Speaker system

CK 130, 100EGIFT big
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5.25" Cento Series 2-Way Component Speaker system

• 105 Watts Max Each, 35 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92.5 dB
• Mounting Depth: 2"

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List price $580.00
-31% $399.99 /set

Available

Ships in 10-14 days

• 105 Watts Max Each, 35 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92.5 dB
• Mounting Depth: 2"

Limited time!

Infinity Kappa 503CF (INFSPKKA503CFAM) (Open Box, Great)

480W Peak (160W RMS) 5.25” Kappa Series 2 Way 3-ohm Component Speaker System

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480W Peak (160W RMS) 5.25” Kappa Series 2 Way 3-ohm Component Speaker System

• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Silk Edge Driven Dome uni-pivot and angled tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

10% Off Open Box!
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List price $449.95
-38% $279.30 /set
$251.37 with coupon | Price details

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    FAQ for Speakers in 1981 I-Mark

    Q: Can I upgrade or change the Speakers in 1981 Isuzu I-Mark?

    A: Yes this page includes all the best Speakers that work in your I-Mark.

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

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