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Power#TMS57

Rockford Fosgate TMS57Power 5"x7" Harley-Davidson® Replacement Bag Lid Speakers

4.514 reviewsSee all reviews

Rockford Fosgate Power 5\"x7\" Harley-Davidson® Replacement Bag Lid Speakers deliver clear, punchy sound and a largely plug-and-play fit on many Harley CVO, Street Glide, and Road King models.

Buyer confidence

80%

Highlights

  • 2-Year Warranty
  • Factory H-D® connector for plug-n-play operation
  • Element Ready design that is weather and water resistant
  • Carbon Fiber Reinforced Polypropylene Cone

Key specs

Full specs
Sensitivity
89 dB (1w/1m) 92 dB (2.8V @ 1m)
Impedance
Speaker Type
2-Way
Midrange Size (Nominal Diameter)
5" x 7"
Midrange Mounting Depth
2.2" (55 mm)
Frequency Response
61 Hz - 20 kHz
Power Handling
100 Watts RMS
Grille/Trim Ring Included
No

Key specs

Full specs
Sensitivity
89 dB (1w/1m) 92 dB (2.8V @ 1m)
Impedance
Speaker Type
2-Way
Midrange Size (Nominal Diameter)
5" x 7"

Highlights

Overview
  • 2-Year Warranty
  • Factory H-D® connector for plug-n-play operation
  • Element Ready design that is weather and water resistant

Review highlights

Based on customer reviews

Clear, plug-and-play Harley bag-lid speakers from Rockford Fosgate

Rockford Fosgate Power 5\"x7\" Harley-Davidson® Replacement Bag Lid Speakers deliver clear, punchy sound and a largely plug-and-play fit on many Harley CVO, Street Glide, and Road King models.

14 reviews4.5/5 averageUpdated Mar 15, 2026

What buyers praise

  • Consistently clear, crisp sound — several reviewers call them amazing/awesome
  • Plug-and-play fit reported for multiple Harley models (CVO, Street Glide, Road King)

What to watch for

  • Not compatible with BOOM 2 (CVO) systems without changing amps or using Rockford's kit; plugging factory BOOM 2 leads can produce poor sound
Overview

The Rockford Fosgate TMS57 is a 5"x7" full-range coaxial speaker engineered to replace factory 5"x7" 2-way coaxial speakers in Harley‑Davidson Boom! Audio and Boom! Audio Stage‑I bag lids. It uses a Neodymium motor and a reinforced polypropylene cone with Santoprene surround.

Best for

  • Owners of Harley‑Davidson motorcycles with factory Boom! Audio or Boom! Audio Stage‑I bag lids seeking a direct-fit spe…
  • Riders who want clearer high-frequency response from a weather‑resistant dome tweeter
  • Situations where factory 5"x7" coaxial speakers need replacement without modifying the bag lid

Key points

  • Designed as a direct replacement for 5"x7" 2-way coaxial speakers in Boom! Audio and Boom! Audio Stage‑I bag lids
  • Neodymium motor structure driving a reinforced polypropylene cone with Santoprene surround
  • 25 mm ultra-efficient dome tweeter with integrated phase plug
  • Santoprene front isolation spider improves water/weather resistance of the tweeter assembly
  • Two connector types provided: standard terminals for 2013 and older, Deutsch-style connector for 2014 and newer
  • Technologies: Element Ready™, VAST Surround, CEA‑2031

Fit and use

Intended to replace existing 5"x7" factory speakers in compatible Harley‑Davidson Boom! Audio and Boom! Audio Stage‑I bag lids. Review the product fitment/compatibility chart or tab before purchasing. This speaker is not compatible with Boom! Audio Stage‑II systems, and modifying the speaker to force fit Stage‑II systems is not recommended.

What to know

Check your motorcycle year and factory audio system (Boom! Audio or Stage‑I) to confirm compatibility. The TMS57 includes two connector styles to match different model years—verify which connector your bike uses. Consult the compatibility chart or product documentation for complete fitment details.

Highlights

Key features

  • 2-Year Warranty
  • Factory H-D® connector for plug-n-play operation
  • Element Ready design that is weather and water resistant
  • Carbon Fiber Reinforced Polypropylene Cone
  • Santoprene VAST Surround
  • Co‐Molded Cone and Surround
  • Poly‐Cotton Spider
  • Santoprene Front Isolation Spider
  • High Power 35mm Voice Coil
  • Ultra‐High Temperature Glass Reinforced Polymer Frame
  • Integrated Spade Terminals
  • Integrated 6dB Crossover with High Power Polyester Capacitor
More info

Manufacturer details

The TMS57 full range coaxial speaker is designed to replace existing 5"x7" 2-way coaxial speakers in factory equipped Harley-Davidson® "Boom!™ Audio" and "Boom!™ Audio Stage-I" bag lids.  The TMS57 features a Neodymium motor structure driving a reinforced polypropylene cone with Santoprene surround. Highs are produced by an ultra-efficient 25mm dome tweeter with integrated phase plug and is made water/weather resistant with the addition of a Santoprene front isolation spider connecting between the tweeter housing and cone assembly. The speaker features two types of connectors, a standard set of terminals for 2013 and older generation motorcycles, and a new Deutsch style connector for 2014 and newer.

Compatibility Chart: Please review below tab for fitment before purchasing.

 H-D® M5 Audio Kits | Product Launch
 H-D® M5 Audio Kits | Product Overview
 2014+ CVO Street Glide / 2015+ CVO Road Glide Stage-2 | Installation
 H-D® M5 2014+ Amp Tuning Guide

Additional details

Do you enjoy hitting the road on your motorcycle but are tired of not enjoying your music because you can't hear it when riding? The Rockford Fosgate TMS series of motorcycle speakers solve that problem. The TMS57 full range coaxial speaker is designed to replace existing 5"x7" speakers in factory equipped Harley-Davidson® "Boom!™ Audio" and "Boom!™ Audio Stage-I" bag lids. NOTE: This is NOT compatible with "Boom!™ Audio Stage-II" systems, nor do we recommend modifying the speaker to fit on Stage-II systems. See Compatibility Tab for complete motorcycle fit guide.

Boom!™ is a trademark and Harley-Davidson® are registered trademarks of H-D U.S.A., LLC.

Technologies
Element Ready™ | Motorcycle

Element Ready™ | Motorcycle

Rockford Fosgate’s motorcycle products are fully tested against UV radiation degradation as well as tested to IPX

VAST Surround (speakers)
Patent: Patent Pending

VAST Surround (speakers)

The Vertical Attach Surround Technique significantly increases a subwoofer's effective radiating cone area up to

CEA-2031 (speakers)

CEA-2031 (speakers)

Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards. This means your speaker has

Specs

Specifications

11
Sensitivity89 dB (1w/1m) 92 dB (2.8V @ 1m)
Impedance
Speaker Type2-Way
Midrange Size (Nominal Diameter)5" x 7"
Midrange Mounting Depth2.2" (55 mm)
Frequency Response61 Hz - 20 kHz
Power Handling100 Watts RMS
Grille/Trim Ring IncludedNo
Mounting HardwareYes
Included In The Box(2) TMS57 (2) Aluminum Diamond-R Badges
Shipping Weight2.95 Lbs. (1.34 Kg)
What's in the box
QtyPart numberItem details
2TMS57
2Aluminum Diamond-R Badges
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Return Authorization

If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.



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Compatibility
YEAR MAKE MODEL OPTION
2014 - Current Harley-Davidson® Electra Glide Boom!™ Audio Stage-I Saddlebag Speaker
2014 - Current Harley-Davidson® Ultra Limited Boom!™ Audio Stage-I Saddlebag Speaker
2014 - Current Harley-Davidson® Street Glide Boom!™ Audio Stage-I Saddlebag Speaker
2014 - Current Harley-Davidson® Road Glide Boom!™ Audio Stage-I Saddlebag Speaker
2006 - 2013 Harley-Davidson® Road King Boom!™ Audio Saddlebag Speaker
2006 - 2013 Harley-Davidson® Electra Glide Boom!™ Audio Saddlebag Speaker
2006 - 2013 Harley-Davidson® Street Glide Boom!™ Audio Saddlebag Speaker
2006 - 2013 Harley-Davidson® Road Glide Boom!™ Audio Saddlebag Speaker

* NOTE: This is NOT compatible with Boom!™ Audio Stage-II systems.

Videos

M5 Audio Kits for H-D® | Launch

Experience unrelenting performance with the next step in motorcycle audio kits from Rockford Fosgate. Featuring simple plug-and-play installation paired with freeway speed output to create the best in class on bike audio experience.