| Technical Support | |
| Hi-Tech Sound offers support to customers who purchased their sound system, message marketing, or DMX Music system from a local Hi-Tech Sound owned and operated office. If you purchased your equipment or DMX Music system from another DMX Music affiliate or local sales office please call 1-800-700-4412. |
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| For service on equipment purchased from Hi-Tech Sound or DMX Music systems installed by Hi-Tech Sound please call: 1-888-843-8369. After hours select voicemail option 3. |
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