Biamp Tesira EX-IN 4-Channel Mic/Line Input Expander, Powered by PoE+
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Time Left: 8 Days
Ending: 06/12 at 04:05 AM ET
New Retail Price: $1,398.00
$1,099.00 USD
| Condition | |
| Quantity | 1 |
| Payment methods | |
Contact seller after sale to pay via Express Checkout | |
| Ships from | Denver, CO, 80222 |
| Ships to | United States |
| Package dimensions | unspecified |
| Voltage | unspecified |
| Shipping carrier | UPS |
| Shipping cost | Free |
| Original accessories | Box, Manual |
| Research Pricing |
This is an open box item with no found cosmetic issues, all accessories and the original box. The box may show some wear and tear. This unit still carries its full manufacturer's warranty and has been fully tested to be sonically flawless. If there are any found issues, please contact us through the Audiogon portal or via [email protected]. We will do everything we can to make it right as quickly as possible.
Tesira EX-IN Input expander allows placement of audio Input in remote locations. Expanders can be added to existing Tesira and TesiraFORTÉ installations as the system’s needs change and grow.
Details

Tesira EX-IN
The Tesira EX-IN is a half-rack expander box for use with AVB-enabled Tesira server-class devices. The EX-IN is a 4-channel mic or line level audio input expander. The expander communicates with the Tesira AVB network for audio networking, configuration, and control, and is powered by PoE+.
The Tesira EX-IN complies with the United States Trade Agreement Act (TAA), allowing it to be included in GSA Schedule contractors’ sales bids for the U.S. federal government.
Key Features
- Four channels of balanced microphone or line level input
- 0 – 66 dB gain, adjustable in 6 dB increments
- +48 volts Phantom Power
- -100 to +12 dB fader range for level
- Audio and control networking over AVB/TSN
- Powered by PoE+
- Plug-in barrier strip connectors
- Front panel LEDs for device status indications
- Half-rack chassis
- RoHS compliant and AES grounded
- Compliant with the US Trade Agreement Act (TAA)
SPECIFICATIONS
AUDIO
- Audio: 4 channels of analog audio, the EX-IN is a 4-channel mic/line level input expander
- Impedance: (balanced): 8kΩ
- Input Gain Range: (6dB Steps): 0 - 66dB
- Maximum Input: +24dBu
- Output Impedance: (balanced): 200Ω
- Maximum Output: +24dBu
- THD+N:
- (20Hz~20kHz):
- @ 0dB Gain, +4dBu In: < 0.006%
- @ 54dB Gain, -50dBu In: < 0.040%
- Frequency Response: (20Hz~20kHz @ +4dBu): +0/-0.25dB
- EIN: (20Hz~20kHz, 66dB Gain, 150Ω):* < -125dBu
- Dynamic Range: (20Hz~20kHz, 0dB): > 108dB
- Crosstalk:
- (channel to channel @ 1kHz):
- @ 0dB Gain, +4dBu In: < -85dB
- @ 54dB Gain, -50dBu In: < -75dB
- Sampling Rate: 48kHz
- A/D Converters: A/D - D/A Converters: 24-bit
- TAA Compliant: TAA Compliant
GENERAL
- Height: 1.75 inches (44 mm)
- Width: 8.5 inches (216 mm)
- Depth: 7.75 inches (197 mm)
- Weight: 3 lbs (1.4 kg)
ENVIRONMENTAL
- Ambient Operating Temperature Range: 32 - 104° F (0 - 40° C)
- Humidity: 0-95% relative humidity (non-condensing)
- Altitude: 0-10,000 ft (0-3000m) MSL
POWER
- Power: PoE+ (IEEE 802.3at Class 4, 30W)
- Phantom Power: +48 VDC (7mA/input)
COMPLIANCE
- Certifications:
- FCC Part 15B (USA)
- CE marked (Europe)
- UL and C-UL listed (USA & Canada)
- RCM (Australia)
- EAC (Eurasian Customs Union)
- RoHS Directive (Europe)
NOTES
- Specification Notes Tail Length: up to 300ms
- Convergence: up to 100dB/sec
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Return Policy
Return Window
Item can be returned within 30 days of receipt.
General Terms
Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.
Refunds
Buyer will receive a full refund in the original payment method less any shipping charges.
Special Conditions
All returns and support are only available within the continental US.


