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SKU: preMO-222

[preMO-222] Networked dual mic/line preamplifier with Stereo Mic In, Dual Headset Out & PoE capability - AES67 SMPTE 2110-30 Ravenna®

Special Price US$1,295.00

Availability: In stock



The PreMo-222, a dual microphone preamplifier and dual stereo headset driver like no other, is a real conversation piece. It is both AES67 and SMPTE2110-30 compliant. Communicating with AES67 / Ravenna / ST2110-30 protocols, the PreMo-222 connects performance to producers, voices to ears, talent to task and audio with networks. Power Over Ethernet plus redundant local supply ensures broadcast reliability. Remote control via AES70 allows level adjustment, filter insertion, phantom powering, local mixing and more. Once digitized and packetized, the microphone signals are ready to be distributed on modern production AES67 / Ravenna / ST2110 networks. Audio signals on the network can be received and listened to through the exceptional headset drivers.

As the name suggests, the PreMo-222 has two mics to network input, 2 headset outputs, and 2 independent volume controls. Combining these features with its networking capabilities, it is basically a one-stop shop for decentralized radio production. PreMo-222 is perfect for talk show radio, reporters on the go, live-casting, live sports commentary from the stadium, and many other such applications.


  • • AES67 and SMPTE2110-30 compliant.
  • • PoE capability
  • • 2 networked mic inputs
  • • 2 Headset outputs
  • • Independent volume controls
  • • Information display screen


  • • Power supply: 14.5W Max., +12VDC/1.5A adaptor or POE
  • • Operation temperature: 0˚C to 40˚C
  • • Physical size: 1.73” H x 5.80” W x 7.72” D
  • • Weight: 1.95 lbs

  • • Local full-color LCD with 5 navigation buttons and 1 mute button
  • • Remote audio network controller (AES70)

  • • Audio Inputs: 2-ch MIC balanced inputs, XLR female, 2-ch line balanced inputs, ¼” TRS audio jack, 2-ch digital inputs from AES67 network, RJ45
  • • Audio Outputs: 2-ch 3.5mm jack headphone output, 2-ch digital outputs to AES67 network, RJ45, 2-ch ¼” TRS jack headphone output

  • • MIC Phantom power: +48V
  • • MIC input PAD: -20dB
  • • Max. MIC input level: +21dBu with PAD off, +41dBu with PAD on
  • • MIC input gain range: -14.4dB, -6.4dB to +68.6dB in 1dB step
  • • MIC input impedance: 2.1kΩ (PAD on)
  • • Max. line input level: +34.6dBu
  • • Line input gain range: -8dB, 0dB to +56dB in 1dB step
  • • Line input impedance: 11.5kΩ
  • • A/D resolution: 24 bits
  • • Sampling frequency: 44.1kHz, 48kHz, 96kHz
  • • A/D THD+N: 0.00089%(-101dB), (997Hz, @-1dBFS)
  • • A/D dynamic range: 118dB (A-weighted, 20Hz – 20kHz)
  • • Frequency response: ±0.1dB (20Hz – 20kHz, @-1dBFS)

  • • High pass filter: 120Hz, 12dB/octave roll-off, 18dB/octave roll-off
  • • Input gain/master gain: -12dB to +12dB in 1dB step
  • • Bass tone control: cut-off frequency 350Hz, gain = -12dB to +12dB
  • • Treble tone control: cut-off frequency 3.5kHz, gain = -12dB to +12dB
  • • Audio meter: PPM (IEC10268-10, IEC10268-18)

  • • Class: AB
  • • Stereo load power (32Ω, @-20dBFS): 100mW
  • • THD+N: 0.00087%(-101dB), (997Hz, @-10dBFS)
  • • Dynamic range: -115dB (A-weighted, 22Hz – 22kHz)

  • • AOIP: AES67
  • • Minimum audio packet latency: 1.0ms
  • • Ethernet: 100Base-T
  • • POE: IEEE802.3af compliant

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