See all parts that fit your 1989 Summit
720W 4-Channel TH Series Class A/B Car Amplifier
• 4 ohm: 60 watts x 4-Chan.
• 2 ohm: 90 watts x 4-Chan.
• Bridged, 4 ohm: 180 watts x 4-Chan.
• 4/3/2 Channel Operation
270W Peak (90W RMS) 5.25" Club Series 2 Way Coaxial 3-ohm Speakers
$74.99
List price $129.95
Infinity Reference 5030cx (REF5030CX)
390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System
$99.95
List price $249.95
10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Wired Android Auto (SiriusXM Ready)
$798.00
List price $999.99
Single DIN CD Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)
$199.00
List price $240.00
Single DIN Digital Media Receiver with Bluetooth, Built-in Alexa (Sirius XM Ready)
$199.00
List price $250.00
Single DIN Digital Media Receiver with Bluetooth and Amazon Alexa
$129.99
List price $150.00
Single DIN CD Receiver with Bluetooth, HD Radio and SiriusXM Ready
$249.99
List price $280.00
270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$90.00
List price $99.99
• 4 ohm: 60 watts x 4-Chan.
• 2 ohm: 90 watts x 4-Chan.
• Bridged, 4 ohm: 180 watts x 4-Chan.
• 4/3/2 Channel Operation
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(newest, current model)
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(previous model, replaced by MTX XTHUNDER125.4)
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Manufacturer:
Model Number:
TH90.4
Weight:
7.50lbs
Internal SKU:
th904
Internal Product ID:
43784
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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.
