Product Description
The RetroSound 4" x 10" Premium Stereo Dash Speaker for 1968-1970 Plymouth Belvedere (store SKU RS-SP-ULTRATHINDASHREPLACEMENTSPEA85, Retro Manufacturing part R-410N) is a vehicle-specific RetroSound speaker listing from an authorized dealer.
Application: 1968-1972 x 10". Install location: dash. Speaker size: 4x10. Design: Dual Voice Coil.
Published electrical and mounting data for part R-410N: 4+4ohm nominal impedance; TrueRating™ / published power handling 90/160; frequency response 43Hz-21kHz; sensitivity 87dB; mounting depth 2.32″ (59 mm). Figures come from Retro Manufacturing’s product information for this model — if the sheet in the box differs, follow the sheet that ships with the product.
This listing uses a dual-voice-coil speaker so a single dash opening can deliver a stereo mix. Use the included 8 Ω / DVC wiring guidance from Retro Manufacturing when connecting to a modern head unit.
Features for this listing
- Fitment focus: 1968-1972 x 10" (dash)
- Manufacturer part R-410N — 4x10
- Authorized RetroSound / Retro Manufacturing product
- Vintage Car Radio does not offer installation
This page is only for RetroSound 4" x 10" Premium Stereo Dash Speaker for 1968-1970 Plymouth Belvedere. Other RetroSound speaker sizes and vehicles have their own listings with their own part numbers and openings — match years, location, and size carefully.
4" x 10" Premium Stereo Dash Speaker for 1968-1970 Plymouth Belvedere specifications
- Manufacturer model: R-410N
- Store SKU: RS-SP-ULTRATHINDASHREPLACEMENTSPEA85
- Years (this listing): 1968-1972
- Vehicle focus: x 10"
- Install location: dash
- Nominal Diameter (inch): 4x10
- Description: Dual Voice Coil
- Nominal impedance: 4+4ohm
- Frequency response: 43Hz-21kHz
- Sensitivity: 87dB
- Power Handling (watts RMS/peak): 90/160
- Speaker Grill: NO
- Mounting Depth (inch): 2.32
- Mounting Depth (mm): 59
- Frequency Response (SPL@1w/1m): 43Hz-21kHz
Source: Retro Manufacturing product page for part R-410N. If the sheet in the box differs, follow the sheet that ships with the product.
4" x 10" Premium Stereo Dash Speaker for 1968-1970 Plymouth Belvedere wiring and tech tips
- Disconnect the vehicle battery before working on speaker wiring.
- This listing is for the 4x10 speaker (part R-410N) at the dash location on 1968-1972 x 10".
- Confirm polarity and load: published impedance is 4+4ohm; power handling 90/160.
- Verify mounting depth clearance of 2.32″ (59 mm) at the dash opening.
- Use brackets, grills, and wire included with this kit when supplied; do not force mismatched openings.
- Dual voice coil: follow Retro Manufacturing’s DVC / 8 Ω wiring diagram so both coils are used correctly.
Vintage Car Radio does not offer installation. Share the manufacturer manuals with your installer if needed.
4" x 10" Premium Stereo Dash Speaker for 1968-1970 Plymouth Belvedere manuals
- Manufacturer product page for R-410N (specs & linked manuals)
- Retro Manufacturing warranty
- Retro Manufacturing help center
Documents on the R-410N product page are the official reference for RetroSound 4" x 10" Premium Stereo Dash Speaker for 1968-1970 Plymouth Belvedere.
One-Year Retro Manufacturing Warranty
Per Retro Manufacturing’s limited warranty, Speakers such as R-410N 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 — 4" x 10" Premium Stereo Dash Speaker for 1968-1970 Plymouth Belvedere
What exactly is this listing?
RetroSound 4" x 10" Premium Stereo Dash Speaker for 1968-1970 Plymouth Belvedere — manufacturer part R-410N, store SKU RS-SP-ULTRATHINDASHREPLACEMENTSPEA85, for the dash position on 1968-1972 x 10".
Is this the same as every other 4×6 / speaker on the site?
No. Hardware families may share a part number (R-410N), but this page’s fitment, years, and install location are specific to this SKU.
Do you install?
No. DIY or a shop you choose.
Warranty?
Typically 1-year Speakers 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 such as R-410N 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.
