2009 Acura RL Speaker Sizes

The 2009 Acura RL factory audio system incorporates multiple locations for sound reproduction. Dashboard and rear deck lid accommodate 2.5 inch speakers, while front door panel and rear door panel accept 6.5 inch units. Front door panel accommodates a 1.5 inch speaker size. Dashboard and rear deck lid support midrange types, whereas front door panel and rear door panel support midbass / full-range choices for acoustic replacement and upgrade. Rear deck lid supports a woofer and accommodates an 8 inch unit.

Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.

Speaker Details by Location
Location Size Type Notes
Dashboard 2.5 Midrange
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 1.5 Tweeter
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 2.5 Midrange
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Deck Lid 8 Woofer
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2009 Acura RL Speaker Replacement Summary

6 total positions
5 easy to replace
2 high priority
0 professional only

Replacement difficulty:

Low: 5 Medium: 1 High: 0

Replacement priority:

High: 2 Medium: 4 Low: 0

2009 Acura RL Radio Slot Size (DIN)

DIN Type Size (inch) Size (mm) Notes
Single DIN 7"×2" 180×50 Standard size for basic car radios with small display or no display
  • Always measure the slot before purchasing a new radio
  • Check slot depth - it may vary

Additional Notes

  • The 2009 Acura RL utilizes a multi-speaker configuration with tweeters, midrange drivers, midbass components, and dedicated woofers distributed across various mounting locations throughout the cabin.
  • Front door panels accommodate both 1.5 inch tweeters and 6.5 inch midbass or full-range speakers, suggesting a component-style setup that separates high-frequency and mid-to-low frequency reproduction in the front soundstage.
  • Dashboard and rear deck lid positions include 2.5 inch midrange speakers, which may contribute to improved vocal clarity and mid-frequency response when properly integrated with other drivers.
  • Rear door panels feature 6.5 inch midbass or full-range speakers matching the front door woofer size, potentially providing consistent sound character between front and rear seating positions.
  • The rear deck lid houses the largest driver at 8 inches designated as a woofer, which could enhance low-frequency output compared to smaller speakers in other locations.
  • Replacing factory speakers in the 2009 Acura RL might prioritize the front door components and dashboard midrange units, as these positions typically have greater impact on the primary listening area.
  • Aftermarket tweeter upgrades in the 1.5 inch front door location could refine high-frequency detail, while 6.5 inch component or coaxial replacements may address overall tonal balance and dynamic range.
  • The single DIN radio opening allows for head unit replacement with standard aftermarket receivers, though integration with existing speaker configurations would require compatible power output and crossover considerations.
  • Sound quality improvements may result from matching speaker sensitivity and impedance specifications across all positions to maintain proper system balance and prevent uneven frequency response.