# Horizon Fitness 7.4AT-02 Treadmill Right Speaker Boxed (MX385)

\## Horizon Fitness 7.4AT-02 Treadmill Right Speaker Boxed

The Horizon Fitness 7.4AT-02 Treadmill Right Speaker Boxed (MX385) is a preowned replacement speaker for the right side of a Horizon Fitness 7.4AT-02 treadmill. It is intended for customers who need to replace the original right speaker in their treadmill audio system. If the right speaker is damaged, missing, or no longer functions properly, this component can help restore the treadmill’s right-side audio output.

## Product Details and Benefits

This product is the right speaker assembly for the Horizon Fitness 7.4AT-02 treadmill. The speaker comes boxed and is sold as a preowned component. Its position is specific: it is the right-side speaker, not a general or universal treadmill speaker.

Replacing the correct speaker can help maintain the original audio setup of the treadmill. The right speaker supports the equipment’s built-in sound system and may be useful when servicing a treadmill that has a faulty or missing right-side audio component. Using a part identified for the correct treadmill model can also make product matching easier than choosing an unspecified replacement.

The product listing identifies this item by the following information:

\- \*\*Brand:\*\* Horizon Fitness  
\- \*\*Product:\*\* 7.4AT-02 treadmill right speaker  
\- \*\*Product type:\*\* Replacement treadmill speaker  
\- \*\*Part or SKU number:\*\* MX385  
\- \*\*Barcode:\*\* MX385  
\- \*\*Condition:\*\* Preowned  
\- \*\*Packaging:\*\* Boxed  
\- \*\*Listed serial number:\*\* TM746B2008C03211

No additional details about the speaker’s dimensions, materials, electrical specifications, color, or testing status are provided in the product information.

## Compatibility and Applications

The Horizon Fitness 7.4AT-02 Treadmill Right Speaker Boxed (MX385) is identified for use with the \*\*Horizon Fitness 7.4AT-02 treadmill\*\*. It is intended to replace the treadmill’s right speaker and is most suitable for repair, maintenance, or restoration work on that specific equipment model.

This part may suit treadmill owners, fitness equipment repair technicians, service businesses, and parts buyers who need a replacement right speaker for a Horizon Fitness 7.4AT-02 unit. It should not be treated as a universal speaker for all Horizon Fitness treadmills or other treadmill brands.

## Why Choose This Product

This replacement part gives you a clearly identified option for addressing a right-speaker issue on a Horizon Fitness 7.4AT-02 treadmill. The boxed presentation may help keep the component protected during storage or handling. Because the item is preowned, it can provide a practical source for replacing a missing or damaged original component when an exact model-specific part is required.

## Before You Buy

Confirm that your treadmill is the \*\*Horizon Fitness 7.4AT-02\*\* model and that you need the \*\*right-side speaker\*\* before ordering. Check the part identifier \*\*MX385\*\* against your existing equipment or service records when possible. The listing does not provide installation instructions, technical speaker specifications, dimensions, warranty details, or information about included hardware. Review those requirements before purchase, especially if a technician or additional mounting or connection hardware may be needed.

## Details

- **Price:** 49.99 USD
- **Vendor:** Horizon Fitness
- **Type:** Miscellaneous
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 49.99 USD | In stock |

## Images

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## Additional Information

- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/horizon-fitness-7-4at-02-treadmill-right-speaker-boxed-mx385)
> Updated: 2026-08-29