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Metric Halo LIO-8 3d USB Type-C Line-Level Audio Interface with DSP

Metric Halo LIO-8 3d USB Type-C Line-Level Audio Interface with DSP

B&H # MELIO83D MFR # 000-50022
Metric Halo LIO-8 3d USB Type-C Line-Level Audio Interface with DSP

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Product Highlights

  • USB Type-C Computer Interface
  • Integrated DSP with Over 100 Plug-Ins
  • Software Mixing, Recording & Monitoring
  • Up to 24-Bit / 192 kHz Resolution
  • 8 x Line Inputs, 2 x Hi-Z DI Inputs
  • 8 x Line Outputs, 1/4" Headphone Output
  • MIDI Ports & 8-Channel AES3 I/O
  • SMPTE, Word Clock & MH Link I/O
  • 8 Insert Sends, Mute & Dim
  • Compatible with Mac, Windows, iOS, Linux
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Metric Halo LIO-8 Overview

  • 1Description

The Metric Halo LIO-8 3d is a 24-bit / 192 kHz USB Type-C audio interface offering eight line-level inputs and insert sends, multichannel digital I/O, DSP-powered mixing, and software control for musicians, engineers, and producers in studios and mobile setups. Its integrated dual-core DSP powers a variety of plug-ins—the included DSP+ license unlocks over 100 of them—without burdening your computer's CPU. Robust software ensures easy access to multi-track recording, mixing, monitoring, and more.

The LIO-8 3d's high-resolution converters are fed by DB25 line inputs and two 1/4" Hi-Z DI inputs; all eight inputs feature up to 31.5 dB of gain, informative metering, and front-panel gain controls. Analog outputs include eight line outs via DB25, and a 1/4" headphone jack, which can be affected by the front-panel volume, mute, and dim functions. The LIO-8 3d also mirrors its line inputs to eight insert sends for efficiently splitting to a mixing console or summing bus.

Properly synchronize with other equipment through the BNC word clock jacks and 1/4" SMPTE I/O. The 5-pin DIN connectors allow hookup to a MIDI control surface. Consolidate audio, clock, and data I/O with other 3d-equipped Metric Halo interfaces via the RJ45 MH Link ports. The LIO-8 3d connects to a compatible Mac, Windows, iOS, or Linux device via the supplied USB Type-A to USB Type-C cable. Power it with the included power supply or via a 4-pin XLR power system (available separately).

3d Card Features
  • MH Link: Low-latency, high-bandwidth audio, clock, and data connections via Gigabit Ethernet
  • MH Link Audio: Direct Ethernet Core Audio driver (with support for up to 128 channels of I/O at 192 kHz)
  • MH EdgeBus: A high-bandwidth, programmable, and pluggable audio expansion slot that accommodates a range of I/O expansion cards
  • MH Console: A 64-bit application to control your entire system with a simple, efficient, and flexible routing model (macOS only for Early Access versions)
  • MH Mixer: 128-input / 64-bus unified zero-latency mixer
  • MH MonitorControl: Integrated surround-capable monitor controller with system processing capability
  • MH Record: 128-input multitrack recorder with deep hardware integration
  • MH DSP Engine: Dual-core processing power and 1GB memory in the hardware, plus the +DSP license providing over a hundred plug-ins and the Metric Halo Graph environment
Analog I/O
  • Third-generation analog technology
  • Eight line inputs via DB25 connector
  • Two instrument DI inputs via front-panel 1/4" jacks
  • Eight balanced line-level sends via DB25 connector
  • Sends mirror analog signal present at line inputs 
  • Eight line outputs via DB25 connector with channels 1-2 multed to 1/4" outputs
  • 1/4" stereo headphone output with dedicated DAC
  • Up to 24-bit / 192 kHz conversion
Digital I/O
  • Eight channels of single-wire AES3 (AES/EBU) digital I/O at up to 24-bit / 192 kHz via DB25 connector
  • Word clock I/O via BNC jacks for proper clocking of multiple digital devices using word clock or SuperClock
  • 5-pin MIDI input and output jacks allow integration of a control surface
  • 1/4" SMPTE input and output for timecode synchronization
Informative Front Panel
  • Eight multifunction controls with bicolor LED rings
  • Eight 15-segment LED input meters with programmable color
  • Eight 15-segment LED output meters with programmable color
  • LED indicators for sample rate, clock source/status, power, and more
  • Dim and mute buttons with dedicated LED indicators
  • Front-panel volume control with push-to-toggle function for switching between sources
Included Accessories
  • IEC power cable and external power supply
  • USB Type-A to USB Type-C cable
  • 1' Cat5e patch cable for MH Link between interfaces
  • Two rack ears with fasteners
  • Four rubber feet
  • 12 configuration jumpers
  • MIO software CD-ROM
UPC: 832081000507
In the Box
Metric Halo LIO-8 3d USB Type-C Line-Level Audio Interface with DSP
  • IEC Power Cable
  • 24 VDC / 48W External Power Supply
  • USB Type-A to USB Type-C Cable
  • 1' Cat5e MH Link Patch Cable
  • 2 x Rack Ears with Fasteners
  • 4 x Rubber Feet
  • 12 x Configuration Jumpers
  • MIO Software CD-ROM
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Metric Halo LIO-8 Specs

    Channels of I/O Analog:
    8 Inputs / 8 Outputs at 192 kHz
    8 Inputs / 8 Outputs at 192 kHz
    Max Sample Rate/Resolution 192 kHz / 24-Bit
    Display and Indicators 8 x Multi-Segment LED Meters (Input Level)
    8 x Multi-Segment LED Meters (Output Level)
    4 x LEDs (Input Level)
    4 x LEDs (Output Level)
    8 x Multi-Segment LED Meters (Multifunction)
    6 x LEDs (Sample Rate)
    8 x LEDs (Clock Source)
    5 x LEDs (Data Transmission)
    8 x LEDs (Phantom Power)
    16 x LEDs (Input Selection)
    2 x LEDs (Output Selection)
    4 x LEDs (Dim, Host Connection, Mute, Power)
    8 x LEDs (Control Mode)
    Host Connection 1 x USB Type-C
    Analog I/O 1 x DB25 Balanced Line Input
    2 x 1/4" (6.3 mm) TRS Balanced/Unbalanced Hi-Z Input
    1 x DB25 Balanced Line Output
    1 x DB25 Balanced Insert Output
    2 x 1/4" (6.3 mm) TRS Balanced Line Output
    1 x 1/4" (6.3 mm) TRS Unbalanced Headphone Output
    Phantom Power None
    Digital I/O 1 x DB25 / AES/EBU (I/O) In/Out
    1 x 1/4" (6.3 mm) TRS / SMPTE/LTC (LTC) Input
    1 x 1/4" (6.3 mm) TRS / SMPTE/LTC (LTC) Output
    1 x BNC (Word Clock) Input
    1 x BNC (Word Clock) Output
    1 x RJ45 (MH Link) Input
    1 x RJ45 (MH Link) Output
    MIDI I/O 1 x 5-Pin MIDI In
    1 x 5-Pin MIDI Out
    Memory Card Slot None
    Frequency Response Line Inputs:
    6 Hz to 20.5 kHz -0.1 dB (at 44.1 kHz) 
    2 Hz to 21 kHz -1 dB (at 44.1 kHz) 
    6 Hz to 43.9 kHz -0.1 dB (at 96 kHz) 
    2 Hz to 45.4 kHz -1 dB (at 96 kHz) 
    6 Hz to 42.1 kHz -0.1 dB (at 192 kHz) 
    2 Hz to 64.7 kHz -1 dB (at 192 kHz) 
    Gain Range Line/Hi-Z Inputs:
    -12 dB to +31.5 dB
    Monitor Outputs:
    -96 dB to +30 dB
    Max Input Level Line Inputs:
    +24.5 dBu (Balanced) 
    Max Output Level Line Outputs, Monitor Outputs:
    +24.5 dBu at 0 dBFS (High Gain) 
    +18.5 dBu at 0 dBFS (Low Gain) 
    Insert Outputs:
    +21.5 dBu at 0 dBFS 
    Dynamic Range A/D Converters:
    115 dB 
    D/A Converters:
    120 dB 
    Impedance Line Inputs:
    10 kOhms (Balanced) 
    Hi-Z Inputs:
    10 MOhms (Balanced) 
    5 Ohms (Balanced) 
    THD Line Inputs:

    THD Measured at 0 dBFS Through Converter Loop

    SNR Line Inputs:
    115 dB 
    Line Outputs:
    120 dB 
    Crosstalk Line Inputs:
    -127 dB
    Digital Audio
    Sample Rates Up to 192 kHz (AD/DA Conversion)
    Bit Depth Up to 24-Bit (AD/DA Conversion)
    Latency 107 Samples at 44.1 kHz (Input to Output)
    107 Samples at 48 kHz (Input to Output)
    107 Samples at 88.2 kHz (Input to Output)
    107 Samples at 96 kHz (Input to Output)
    107 Samples at 176.4 kHz (Input to Output)
    107 Samples at 192 kHz (Input to Output)
    Sync Sources AES/EBU, Internal, Word Clock, MH Link via Ethernet
    Word Clock Input Termination 75 Ohms
    OS Compatibility macOS
    Windows 10

    MH Console Software for Early Access Models Supports macOS Only

    Required Hardware USB 2.0 Port
    Power Requirements AC/DC Power Adapter (Included)
    AC Input Power 100 to 240 VAC at 50/60 Hz
    AC/DC Power Adapter 24 VDC at 2 A, Center-Positive (Included)
    Power Consumption 32 W
    Anti-Theft Features Kensington Security Slot
    Rackmount Size 1 RU (With Included Hardware)
    Dimensions 17.01 x 12.99 x 1.73" / 43.2 x 33 x 4.4 cm
    Weight 6.0 lb / 2.7 kg (Without Accessories)

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