Inputs
| Phantom power |
48 V |
| Analog input gain |
0 - 30 dB |
| Maximum input amplitude |
+19 dB |
| Equivalent input noise |
<-124 dB |
| Mic/Line switch gain |
33 dB |
| Input impedance |
10000 Ω |
Ports & interfaces
| Parallel ports quantity |
2 |
| EF Bus out |
1 |
| Modem (RJ-11) ports |
2 |
| EF Bus in |
1 |
| Audio connections |
2x 3.5mm |
Technical details
| Average latency |
13 ms |
| Convergence |
40 dB/s |
| Cancellation span |
270 ms |
| Frequency range |
20 - 20000 Hz |
| Echo cancellation |
40 dB |
Power
| Output current |
20 mA |
| Input frequency |
47/63 Hz |
| Output power |
10 W |
| Input voltage |
110 - 240 V |
Outputs
| Output gain |
-100 - 20 dB |
| Maximum output amplitude |
+23 dB |
| Output impedance |
33 Ω |
Telephone
| Telephone input gain |
-100 - 20 dB |
| Off hook loop current |
16 - 120 mA |
| Telephone output gain |
-100 - 20 dB |
| Telephone frequency response |
250 - 3300 Hz |
| Telephone dynamic range |
>70 dB |
Amplifier
| Signal-to-Noise Ratio (SNR) |
90 dB |
| Impedance |
16 Ω |
Additionally
| Output power |
8 Ohm, >10W, 20-20000 Hz, + 0.2/- 0.5 dB |
| RS-232 port |
1 |
Integrates with Polycom SoundStation VTX 1000 conference phones and Polycom VSX 7000 and Polycom VSX 8000 series video conferencing units
- Four microphone/line level inputs (phantom power available for each input
- Individual channel acoustic echo cancellation
- Third-generation DSP noise cancellation algorithms (patent pending) remove ambient background noise prior to mixing which results in a much cleaner audio feed
- Typically installed in smaller rooms that require audio conferencing
- Polycom Vortex EF2241 Automatic Mic / Matrix Mixer with Phone Hybrid and Power Amp
Features and Benefits
- Offers four microphone/line inputs, four line inputs, eight line outputs
- Integrated phone add and 10-watt power amplifier
- Offers full-bandwidth performance
- Fastest acoustic echo cancellation performance available
- Multiple units can be linked or can work in conjunction with Polycom Vortex units
- Can be programmed from the front panel or by using included Conference Composer software
Solutions
All Vortex products integrate with the Polycom SoundStation VTX 1000 and Polycom VSX series video conferencing units, such as the Polycom VSX 8000 system, for premium quality voice and video conferencing.
