Avaya B100 Expansion Microphones (700501539)
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Free Shipping on Orders of $500+ *
Satisfaction Guaranteed
The Avaya B100 Expansion Microphones increase the range of your Avaya B100 series conference phone from 30 square meters to up to 70 square meters (750 sq. feet).
Features
- Used for greater microphone coverage on larger conference tables or when number of participants is greater than 10
- Increases the range of your Avaya B100 series conference phone from 30 square meters to up to 70 square meters (750 sq. feet)
Compatibility
- Compatible with Avaya B149, B159, B169, B179, and B189 conference phones
Included
- Avaya B100 Expansion Microphones (700501539)

Refurbished
| Functionality | |
|---|---|
| Cosmetics |
All refurbished items are restored to full functionality, and their grades reflect only cosmetic condition. Lower-grade products may have more visible blemishes but are rigorously tested and cleaned to ensure identical performance and warranty coverage.
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
- No restocking fees, ever
- Refund or store credit — your choice
- 30 days from invoice date
- Return in original condition, securely packed
Fast Shipping
- Ships within 2 business days*
- Rush & Saturday delivery available — call us
- Free ground shipping available (continental US orders over $500)
- Overnight delivery available
1-Year Warranty
- Covers defects & functional failures
- Normal business use, from date of purchase
- Batteries: 90 days (consumable)
- Excludes misuse, modification, mishandling
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Our team is ready with expert support before and after your purchase.
*Shipping and delivery on business days. Purchaser is responsible for return shipping costs and insurance. Free/fixed shipping offers exclude palletized items — call for freight rates.






















































