Centrum Sound, founded in 1990, specializes in speech reinforcement products for educational, municipal, corporate, and military applications. Our product line includes a full line of wireless all-in-one PA systems, tour guide audio systems, simultaneous language interpretation equipment, and assistive listening systems for ADA compliance in public facilities. With more than 50 years of experience in the hearing health care industry and sound reinforcement field, Centrum Sound has accumulated an unparalleled expertise in solving hearing related problems in places where speech intelligibility for one-way communication is of paramount importance.
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Contact Information
Centrum Sound Systems
2384 Voltaire Way Redding CA 96003 USA
Toll free US 1.888.736.6005 International +1.530.768.1444 Fax 1.530.768.1445
E-mail: sales@centrumsound.com |
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Competitive Pricing
Centrum Sound offers competitive pricing to customers in the U.S., U.S. territories, and U.S. military installations abroad. Our online shopping cart provides quick price access, but it may not show our lowest price because many items are subject to the manufacturer’s minimum advertised price (MAP). To get our best price, call 1.888.736.6005 for a discount code. You may also request an official quotation (RFQ) or receive a discount code by email by clicking the red and blue icon box and following the pop-up instructions. International customers should request a quotation as manufacturer restrictions or radio frequency limitations may apply. |

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Payment Terms and Conditions
Net 30 purchase orders are accepted from U.S. educational institutions and federal, state, and local government facilities. Credit card payments are accepted for orders placed by phone or through our shopping cart. Cards are not charged until the merchandise is ready to ship, except for custom orders. PayPal payments are accepted through the shopping cart or by email. U.S. military orders may be placed through DFAS (Defense Finance and Accounting Service), with payment through iRAPT (formerly WAWF). Past-due accounts may be assessed a minimum finance charge of $5 or 2% per month, whichever is greater. |
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Product Warranty
Products sold by Centrum Sound are covered by the original manufacturer's warranty. Warranty details are listed in each product’s technical data section. To avoid voiding the warranty, all repairs must be performed by the original manufacturer. Before returning a product, obtain a return authorization from the manufacturer and follow their return instructions. If you are unsure about the product’s warranty status, please contact Centrum Sound. |
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Shipping and Tracking - Domestic Orders
We offer free ground shipping on orders of $150 or more within the contiguous United States. Shipping quotes are available for destinations outside the contiguous United States. Orders under $150 may incur a minimum shipping charge of $25. Standard orders ship directly from the manufacturer through their selected carriers. Processing times are usually 1-5 business days but vary by vendor. Custom orders may require one to two more days. Once your order is complete, we will email you an invoice with tracking details. |
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Shipping and Tracking - International Orders
Centrum Sound accepts orders from all US territories and military bases abroad. International orders including APO AE destinations are shipped via United States Postal Service (USPS) unless otherwise requested. Products weighing over 70 lbs. cannot be shipped via USPS. A quote with shipping costs and/or options will be e-mailed for your approval. |
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Money-Back Guarantee
Centrum Sound offers a 30-day money-back guarantee on all standard products and accessories. Restrictions may apply to destinations outside the U.S. Custom and special orders are nonrefundable. Shipping charges are nonrefundable and return shipping costs are the shipper’s responsibility. A Return Authorization (RA) number is needed before merchandise can be returned. To obtain an RA number, call Centrum Sound at 530.768.1444 during Pacific Time business hours or email sales@centrumsound.com. To avoid a restocking fee, all equipment and accessories must be returned in their original boxes with all packaging, manuals, warranty certificates, and related materials. Products showing signs of use or improper handling will not be accepted and will be returned to the customer. Merchandise drop-shipped from manufacturers must be returned to the manufacturer unless other arrangements have been made. These items are subject to manufacturer inspection to decide whether a restocking fee applies. |
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Resource links
Assistive Listening and ADA compliance. Resource page by Centrum Sound Systems.
When Hearing Aids Are Not Enough - The need for Assistive Devices provided by Centrum Sound.
Hearing Loss Association of America. Leading organization representing people with hearing loss.
The Americans With Disabilities Act. Department of Justice, ADA Home Page.
U. S. Access Board. ADA Accessibility Guidelines (ADAAG) - Sections 1-4.
Tax Incentives for Businesses. Expanding your Market with Americans with Disabilities Act.
Intuit Turbo Tax: Tax Tips For The Deaf.
IRS Form 8826 (tax credit). Acrobat PDF version.
Northwest Outreach Center. Internet Resources Related to Hearing Loss.
A Quiet World: Living with Hearing Loss by David Myers.
Deaf Linx: Fighting Audism Through Empowerment and Education.
Oticon Inc. A world leader in hearing care. Headquarters in Denmark. US operation Somerset NJ. |
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Vendor Links
Anchor Audio. Manufacturer of portable sound systems. Carlsbad CA.
Comtek. Manufacturer of wireless communications equipment. Salt Lake City UT.
ELT/Connections Unlimited. ChatterVox voice amplification products. Nashville TN.
FrontRow by Boxlight. Manufacturer of high end classroom audio. Petaluma CA.
Phonic Ear A/S. Hearing enhancement equipment. Smørum Denmark.
TMP Pro. Microphones, On-Stage Stands. Berlin CT.
Williams AV (AKA Williams Sound). Manufacturer of wireless communication equipment. Eden Prairie MN. |