Product Description
This listing is for the RetroSound SUB8100 Subwoofer and Quadraphonic Amplifier Bundle. Authorized RetroSound / RetroBelt dealer. Choose options that match your vehicle and features.
Features
- Authorized product for classic car and truck applications
- Sold through an authorized dealer
Vehicle Fit
This page targets SUB8100 Subwoofer and Quadraphonic Amplifier Bundle. Compare your year, make, model, and opening to the title before ordering. Call 844-802-4499 if you are unsure.
Before You Install
Test-fit before cutting or drilling. Confirm wiring, mounting, and clearances. Vintage Car Radio does not offer installation.
About This Product
For help with RetroSound SUB8100 Subwoofer and Quadraphonic Amplifier Bundle, call 844-802-4499 or 574-226-6676.
SUB8100 Subwoofer and Quadraphonic Amplifier Bundle specifications
- The Ultimate Vintage Car Audio Upgrade Take your classic car’s audio experience to the next level with this powerful, custom car audio upgrade bundle from RetroSound.
- Key Features: SUB-8100 8-inch Powered Subwoofer System: Compact yet powerful, with an 8-inch subwoofer and a built-in 100-watt amplifier, designed to deliver deep, high-quality bass while saving space.
- Perfect for custom car audio installations in vintage cars.
- Adjustable crossover and bass boost for precise sound control.
- Easy-to-install design, perfect for under-seat or trunk mounting.
- Quadraphonic 4-Channel Power Amplifier: 45 watts per channel, delivering high-definition sound with minimal distortion.
- Limited warranty for Speakers/Accessories: 1 year (Retro Manufacturing chart), unless the product page states otherwise
Source: Retro Manufacturing product page. If the sheet in the box differs, follow the sheet that ships with the product.
SUB8100 Subwoofer and Quadraphonic Amplifier Bundle wiring and tech tips
- Disconnect the battery before amplifier or subwoofer wiring.
- Provide a solid chassis ground and proper fusing as specified by Retro Manufacturing.
- RetroSound radio: use the direct / low-level connection method described for this model when applicable.
- Set gains to match the radio pre-out; avoid clipping.
- Confirm speaker/sub impedance load before powering up.
Vintage Car Radio does not offer installation. See the manufacturer product page for the model’s manual when linked.
SUB8100 Subwoofer and Quadraphonic Amplifier Bundle manuals
- Manufacturer product page (specs & any linked manuals)
- Retro Manufacturing warranty
- Retro Manufacturing help center
When Retro Manufacturing publishes a PDF on the product page (speakers manual, amp manual, antenna sheet, etc.), use that document for the official diagram.
One-Year Retro Manufacturing Warranty
Per Retro Manufacturing’s limited warranty, Speakers and Accessories (including many antennas, amps, and related parts sold under those charts) are covered for 1 year from the original purchase date for defects in materials and workmanship when purchased from Retro Manufacturing or an authorized dealer.
RA required — tech@retromanufacturing.com or 1-888-325-1555, or Vintage Car Radio at 844-802-4499 / 574-226-6676.
Vintage Car Radio does not offer installation.
FAQ — SUB8100 Subwoofer and Quadraphonic Amplifier Bundle
Is this a radio head unit?
No — this listing is a RetroSound amplifier / subwoofer package. Motor 1B/2B/4HD options apply only to RetroSound radios.
Where are the official specs?
See Specs (from Retro Manufacturing’s product page) and the manufacturer link under Manuals.
Do you install?
No. DIY or a shop you choose.
Warranty?
Typically 1-year Speakers/Accessories coverage from Retro Manufacturing — see Warranty.
Need help?
844-802-4499 or 574-226-6676.
Specs
Wiring / Tech Tips
Manuals
Warranty
One-Year Retro Manufacturing Warranty
Per Retro Manufacturing’s limited warranty, Speakers/Accessories such as QUAD SUB KIT are typically covered for 1 year when purchased from Retro Manufacturing or an authorized dealer.
RA: tech@retromanufacturing.com / 1-888-325-1555, or Vintage Car Radio 844-802-4499 / 574-226-6676.
Vintage Car Radio does not offer installation.
