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MOTU 8pre USB Specs

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Upper Mid-Range
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MOTU 8pre USB is an audio interface with USB 2.0 connectivity. Inputs include 8 mic preamps and 8 Hi-Z inputs. Outputs include 2 main outputs and 1 headphone output. It supports up to 96 kHz / 24-bit, 48V phantom power, and direct monitoring.

Audio interface specs: MOTU 8pre USB
SpecMOTU 8pre USB
General
CategoryUpper Mid-Range
Reference Price (USD)
Supported OSmacOS/Windows
ConnectionUSB 2.0
Inputs
Mic Preamps8
Combo Inputs (XLR/TRS)
Line Inputs
RCA Input
Hi-Z Inputs8
ADAT Input (ch@48kHz)8
Optical Ports (Input)2
S/PDIF (Coax) Input
S/PDIF (Optical) Input
AES/EBU Input
Outputs
Analog Main Output2
Analog Line Output
RCA Output
Headphone Output1
ADAT Output (ch@48kHz)8
Optical Ports (Output)2
S/PDIF (Coax) Output
S/PDIF (Optical) Output
AES/EBU Output
Features
Phantom Power (48V)Yes
MIDI I/OYes
Loopback
DSP Effects
Direct MonitoringYes
Audio Performance
Max Sample Rate (kHz)96
Max Bit Depth (bit)24
Preamp Gain Range (dB)48
DR Input (dB, A-weighted)
DR Output (dB, A-weighted)
DR (Unknown Conditions)
THD+N Mic Input (dB(%), 1kHz)
THD+N Output (dB(%), 1kHz)
THD+N (dB(%), Unknown)
EIN (dBu, A-weighted)
EIN (dBu, Unknown)
Measurement Reports
Software & Other
Bundled SoftwareCueMix FX, AudioDesk
Notes1U rack, 16x12 (8 mic preamp in + 8 ADAT in / 2 main out + 1 headphone out + 8 ADAT out). 8 combo XLR/TRS mic/instrument inputs (48dB mic gain, 39dB Hi-Z gain, individually defeatable 48V phantom + 20dB pad). Two ADAT optical banks; at 44.1/48kHz the lower bank mirrors the upper bank (no extra channels), at 88.2/96kHz each bank carries 4 discrete channels (S/MUX). CueMix DSP near-zero-latency monitoring, up to 8 independent monitor mixes. Can operate standalone as an 8-channel analog-to-ADAT converter without a computer.