The Rapido HO C30-7 and C36-7 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.

Designed to fit C30-7 and C36-7 models with MoPower; please check pictures for fitment. Dimensions: 40 × 20 × 12.5mm.

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 GP38, GP40, and CF7 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.

Designed to fit GP38, GP40 and CF7 models with MoPower; please check pictures for fitment. Dimensions: 32 × 17.7 × 10.5mm.

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 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 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.

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.