Maintenance
Repair & Maintenance
Every M's system wave-motion speaker is handcrafted by skilled Japanese artisans. Repairs and maintenance are performed with the same care and expertise.

Trouble Checker
Simply answer yes or no to each question. Quickly determine whether your product needs repair.
In some cases, adjusting your settings may resolve the issue.
お使いの製品をお選びください。
Repair Process
Identify the Issue
Use the checker above to assess the issue, or contact us by phone or email for consultation.
Submit a Repair Request
Submit your request through the form below. Attaching photos of the issue helps us provide a more accurate assessment.
Ship Your Product
Send your product to our support center. Shipping costs are the customer's responsibility. We will provide packing instructions.
Inspection & Estimate
We will inspect your product and provide a repair estimate. Repairs begin only after your approval.
Repair Complete & Return
After repair, we conduct a thorough quality check and carefully package your product for return. Return shipping is the customer's responsibility.
Fee Guide
Within Warranty (within 3 years of purchase)
Free repair
Shipping costs are the customer's responsibility.
Out of Warranty (3+ years after purchase)
Paid repair (estimate provided upon inspection)
Second-hand / Gifted Products
Base fee: 13,200 JPY (tax incl.) + repair costs
Applies to products purchased second-hand or received as a gift from a friend or acquaintance.
Periodic Inspection Service
3 Years Maintenance Service (3YMS)
An inspection service for products beyond the 3-year warranty period. We examine the internal condition and perform maintenance as needed. We recommend periodic inspections to ensure long-lasting performance.
Inspection Items
- ・Exterior inspection
- ・Sound quality verification
- ・Speaker component integrity check
- ・Safety component evaluation
- ・Speaker unit performance test
- ・Screw torque balance check
- ・Wave-motion adjustment
- Fee (Speaker / Amplifier)
- 7,700 JPY (tax incl.)
- Fee (Amplifier-integrated model)
- 8,800 JPY (tax incl.)
- Eligibility
- Authorized purchases more than 3 years old
Online Repair Request Form
Use this form for repairs, periodic inspections, and second-hand product services.
Attaching photos of the issue enables a more accurate estimate.
Payment & Shipping
Payment Methods
- ・Bank transfer
- ・Cash on delivery
Shipping
Shipping costs (both ways) are the customer's responsibility. Please contact us for packing advice.