Resources:
Technology Overview (PDF)
Data Sheet (PDF)

SPN16i

16 inputs, 1RU:
16i
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SPN32i

32 inputs, 2RU:
32i

Add inputs to your ASPEN system easily with the 16i and 32i input-only units. High-resolution, low-noise microphone preamplifiers featuring true 48 V phantom power provide studio-grade mic/line inputs for your audio system. The 1 Gbs ASPEN port ties these units to others in the stack with ultra-low latency of 1.33 ms for the 16i and 1.46 ms for the 32i.

Specifications for Input Only Units:

ASPEN port: 1Gbs control and audio data between ASPEN units
Inputs: SPN16i: 16 mic/line
  SPN32i: 32 mic/line

Gain:

0 dB to 56 dB, programmable in 8 dB steps

Input Level:

0 dBu nominal, max 20dBu

Input impedance:

8 k Ohms differential mode, 2 k Ohms common mode

Phantom power:

True 48 Volt

Dynamic range:

102 dB

EIN:

-127 dBu (20 Hz - 20 kHz, unweighted)

THD + noise:

0.01%

Frequency response: 20 Hz – 21 kHz ± 1 dB
Latency: SPN16i: 1.33 ms; SPN32i: 1.46 ms