1970 Chevrolet Impala Speaker Sizes

The 1970 Chevrolet Impala speaker size chart provides factory speaker specifications and locations for replacement or aftermarket audio system upgrades. Available data includes center dash and rear deck lid positions. Information covers original equipment specifications to assist with identifying compatible aftermarket speakers for factory audio system upgrades.

As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.

Speaker Details by Location
Location Size Type Notes
Center Dash 4x10 Full-Range
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Deck Lid 6x9 Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low

1970 Chevrolet Impala Speaker Replacement Summary

2 total positions
1 easy to replace
0 high priority
0 professional only

Replacement difficulty:

Low: 1 Medium: 1 High: 0

Replacement priority:

High: 0 Medium: 2 Low: 0

Additional Notes

  • The 1970 Chevrolet Impala appears to have only two speaker locations noted in the specifications, suggesting a relatively minimal factory audio layout by today's standards.
  • The center dash position calls for a 4x10 inch full-range driver, which is a somewhat uncommon oval size that may limit the number of compatible aftermarket options compared to more widely produced sizes.
  • A full-range speaker type at the center dash position means a single driver would be responsible for handling the entire audible frequency spectrum at that location, which could result in certain sonic limitations depending on the driver selected.
  • The rear deck lid position accommodates a 6x9 inch full-range speaker, a size that tends to have broader aftermarket availability and is generally associated with stronger low-frequency output relative to smaller formats.
  • Since both positions are specified as full-range only, there is no noted provision for component speaker systems, meaning configurations involving separate tweeters and woofers would likely require additional modification beyond a direct replacement.
  • The rear deck lid location, given its larger 6x9 inch sizing, might be considered a higher priority for replacement if low-frequency response and overall output level are of concern.
  • Upgrading both positions with higher-quality full-range drivers could potentially address mid and high frequency clarity, though the absence of a dedicated subwoofer location in the specifications suggests low-end extension may remain a limiting factor.