Centrum Sound is a principal supplier of all-in-one indoor/outdoor public address and sound systems for educational, municipal, corporate and military applications. In addition, we carry a full line of tour guide audio, simultaneous language interpretation equipment and hearing enhancement systems for educational institutions and ADA compliance in public facilities.
PA and Sound Systems 
- All-in-one PA and Sound systems
- Crowd sizes from 20 to 5,000 +
- No special operator skills required
- 8 Hours run time on battery power
- Wireless hands-free microphones
- Bluetooth range up to 100 feet
- Combo MP3/CD players
- Hard and soft transport cases
Digital Classroom Audio 
- Portable Infrared & FM line arrays
- Infrared ceiling speaker systems
- Multiple wireless IR microphones
- Secure IR for sensitive applications
- Conventional classroom systems
- Waistband amplification systems
- Rechargeable batteries, chargers and carry cases.
Tour Guide Audio 
- Lightweight waistband PA systems
- User friendly one-way systems
- One & two-way digital systems
- Simple channel select for multi-group applications
- Choice of many headset styles
- Rechargeable batteries, chargers, storage and carry cases.
Language Interpretation 
- Single & multi-language systems
- Digital multi-user systems
- One-on-One personal systems
- Large area FM systems
- Large area infrared systems
- Rechargeable batteries, chargers, storage and carry cases
Assisted Listening 
- ADA compliant hearing systems
- Personal FM & Digital systems
- Large area FM assistive listening systems with up to 1,000 ft range
- Infrared assistive listening systems for multiplex facilities
- Conference table microphones
Parts and Accessories 
- Clearance sale - great bargains
- Discontinued products
- Anchor Audio accessories
- Williams Sound Accessories
- Phonic Ear parts and accessories
ADA Resource Page 
- Why an Assistive Listening System?
- Wireless technologies
- How to Comply with the Americans with Disabilities Act (ADA)
- California Building Code (CBC)
Orders and Payments 
- How to place orders
- Terms and Conditions of Sales
- Shipping policies
- Remittance address
- Money Back Guarantee
About Centrum Sound 
- Centrum Sound - Since 1990
- Excerpts from Audiology Treatment When hearing aids are not enough
- Links to our suppliers and other convenient resources
Covid-19 Update