The Rapido HO C40-8M is a fantastic model, but due to the speakers used, the sound quality is sub-optimal. The Motown Models C40-8M speaker upgrade kit greatly enhances the sound quality and turns a 9/10 model into a 10/10. With dual speakers and increased driver sizes, this kit both improves the volume output along with the fidelity, for more bass and richer mid-tones. The installation is very straight forward, with 3D printed enclosures that ensures a perfect fit every time. The video below shows the step-by-step process of shell removal, stock speaker removal, Motown Model speaker installation and re-assembly.

Designed for 2024+ run of Rapido C40-8M. Not compatible with first run C40-8M.

The Rapido HO GMD1 is a fantastic model, but due to the speakers used, the sound quality is sub-optimal. This Motown Models speaker upgrade kit greatly enhances the sound quality and turns a 9/10 model into a 10/10. With a large baffle design, this kit both improves the volume output along with the fidelity, for more bass and richer mid-tones. The installation is very straight forward, with a 3D printed enclosure that ensures a perfect fit every time. A 4 ohm resistor is included to wire in series for non-LokSound installations.

This was designed for the first run of the HO GMD1. It will likely not fit the 2024 release model.

The Rapido HO E8 is a fantastic model, but due to the speakers used, the sound quality is sub-optimal. This Motown Models speaker upgrade kit greatly enhances the sound quality and turns a 9/10 model into a 10/10. With a large baffle design, this kit both improves the volume output along with the fidelity, for more bass and richer mid-tones. The installation is very straight forward, with a 3D printed enclosure that ensures a perfect fit every time. A 4 ohm resistor is included to wire in series for non-LokSound installations.

This was designed for the first run of the HO E8 locomotive. It should fit all Rapido E8 models.

The Rapido HO M420W is a fantastic model, but due to the speakers used, the sound quality is sub-optimal. This Motown Models speaker upgrade kit greatly enhances the sound quality and turns a 9/10 model into a 10/10. With a large baffle design, this kit both improves the volume output along with the fidelity, for more bass and richer mid-tones. The installation is very straight forward, with a 3D printed enclosure that ensures a perfect fit every time. A 4 ohm resistor is included to wire in series for non-LokSound installations.

Fitment is ONLY confirmed for 2023 run M420W’s. May fit other runs, but is unconfirmed.

The Rapido HO F40PH is a fantastic model, but due to the speakers used, the sound quality is sub-optimal. The Motown Models F40PH speaker upgrade kit greatly enhances the sound quality and turns a 9/10 model into a 10/10. With a large baffle design, this kit both improves the volume output along with the fidelity, for more bass and richer mid-tones. The installation is very straight forward, with a 3D printed enclosure that ensures a perfect fit every time. The video below shows the step-by-step process of shell removal, stock speaker removal, Motown Model speaker installation and re-assembly.

Fits all Rapido HO F40PH models, including NPCU.

The Rapido HO RS11, RS18, RS18u, and RSC14 are fantastic models, but due to the speakers used, the sound quality is sub-optimal. This Motown Models speaker upgrade kit greatly enhances the sound quality and turns a 9/10 model into a 10/10. With a large baffle design, this kit both improves the volume output along with the fidelity, for more bass and richer mid-tones. The installation is very straight forward, with a 3D printed enclosure that ensures a perfect fit every time. A 4 ohm resistor is included to wire in series for non-LokSound installations.

Fits Rapido HO RS11, RS18u, and RSC14 from 2023+ runs. Will fit in pre-2023 run models with some modification.

The Rapido F59PH is a fantastic model, but due to the speakers used, the sound quality is sub-optimal. The Motown Models F59PH speaker upgrade kit greatly enhances the sound quality and turns a 9/10 model into a 10/10. With a large driver design, this kit both improves the volume output along with the fidelity, for more bass and richer mid-tones. The installation is very straight forward, with a 3D printed enclosure that ensures a perfect fit every time. The video below shows the step-by-step process of shell removal, stock speaker removal, Motown Model speaker installation and re-assembly.