Overview

If your factory bag lid speakers aren’t cutting it anymore, this is the clean upgrade.

The Rockford Fosgate TMS57 is a direct replacement 5x7" speaker designed for Harley-Davidson Boom!™ Audio and Stage-I bag lid systems. It installs in place of your factory speakers and delivers better clarity, output, and durability—without modifying your bike.

What It Is

A direct-fit bag lid speaker replacement.

• 5x7" 2-way coaxial speakers
• Designed for Harley Boom!™ Audio and Stage-I systems
• Plug-and-play compatibility for most models

Built to upgrade—not complicate.

Sound Performance

A solid improvement over factory speakers.

• Cleaner highs with integrated dome tweeter
• Stronger midrange and better overall output
• Designed to stay audible at speed

Perfect for riders who want better sound without a full system overhaul.

Fitment & Installation

Made specifically for Harley bag lids.

• Direct replacement for factory 5x7 speakers
• Includes both standard terminals and Deutsch connector
• Plug-and-play for most applications
• No major modifications required

Important Compatibility

• Works with Boom!™ Audio and Stage-I systems
• Compatible with both pre-2014 and 2014+ bikes

NOT compatible with Stage-II systems
(And not recommended to modify to fit)

Built for the Ride

Designed for real-world conditions.

• Element Ready™ construction
• Weather and water resistant
• Durable materials for long-term use

Construction & Design

• 25mm dome tweeter with phase plug
• Carbon fiber reinforced polypropylene cone
• Neodymium motor structure
• Built-in crossover network
• VAST surround for improved output

What’s Included

• (2) TMS57 5x7" Speakers
• Aluminum Diamond-R Badges
• Mounting Hardware

Specifications

Speaker Size:

• 5" x 7"

Design:

• 2-Way Coaxial

Power Handling:

• 100 Watts RMS

Impedance:

• 4 Ohm

Frequency Response:

• 61 Hz – 20 kHz

Sensitivity:

• 89 dB (1W/1M)
• 92 dB (2.83V/1M)

Mounting Depth:

• 2.2"

Fitment

• 2006–Current Harley-Davidson Touring Models (with factory bag lid speakers)
• Compatible with Boom!™ Audio & Stage-I systems

Quick Questions

Q: Is this plug-and-play?
A: Yes for most Boom!™ and Stage-I systems.

Q: Will this work with Stage-II?
A: No—these are not compatible.

Q: Do I need an amp?
A: Not required, but recommended for better performance.

Note

• Not compatible with Boom!™ Audio Stage-II systems
• No grilles included (uses factory or bag lid grilles)