High-end Ultra-low Frequency 18 inch professional subwoofer speaker

ITC promise the electronics yearly failure rate is less than 1%.

ITC guarantee all electronics of 3 years quality warranty.

ITC could supply 1% wearing spare parts free of charge.

ITC guarantee all loudspeakers of 6 months quality warranty.

All of quality complaint shall be attached with serial number, failure test report and photos.

All of the quality compliant shall be feedback with a solution within 48 hours.

ITC could supply circuit diagram documents for repair.

• Well-trained sales team for sales and basic technical service.
• New product promotion and seminar for all employees.
• Two English spoken technician provide online after sales service.
• Online system software demo and configuration is available.
• 30 system consultants and 10 designers to make drawing and BOQ for each tender.
• Design and BOQ response to customer within 48 hours.
• PDF specification sheet, system configuration template and architectural & engineer specification for documents support.
• Technical documents could be downloaded from website 

Full-sealing package of Products:

We adopt full-sealing bubble film+strech film+wood frame (or wood box). It will keep the moist from entering into the package to make the products rusted.