Metric Halo ULN-8 mkIV

Professional music gear - detailed information and where to buy

Metric Halo ULN-8 mkIV

Metric Halo

ULN-8 mkIV

4.7 Expert Rating

Product Info

Article Number: 530768
Model: ULN-8 mkIV
Price: $3,012.90

* Prices may vary. Check retailer for current pricing and availability.

The ULN-8 mkIV is a serious workhorse for engineers and producers needing pristine conversion and flexible routing. Metric Halo's DSP is a game-changer, letting you offload processing and keep your DAW clean. It’s ideal for larger studios or anyone demanding top-tier audio performance and a rock-solid, expandable system.

Product Description

  • Metric Halo ULN-8 mkIV
  • USB-C Audio Interface
  • 192 kHz Converter
  • 3d Core Digital Engine with MH-Link
  • 8 Ultra-low-noise R preamps
  • High-resolution A/D and D/A converters (44.1 - 192 kHz)
  • +DSP licence
  • 2 High-impedance DI inputs for instruments
  • 128 Channel x 64 bus mixer
  • An integrated DSP available
  • FP control with gain controls
  • IR remote control support
  • EdgeBus slot
  • LED meter
  • Phantom power +48V
  • 8 Microphone inputs: Sub-D25
  • 2 x Hi-Z inputs: 6.3 mm jack
  • 8 Line inputs: Sub-D25
  • 8 Line outputs: Sub-D25
  • 8 Send: Sub-D25
  • 2 Monitor outputs: 6.3 mm jack
  • AES input and output: Sub-D25
  • MIDI in/out: 5-pin DIN
  • MH-Link
  • SMPTE input and output
  • Word Clock BNC input and output
  • Stereo headphone output: 6.3 mm jack
  • USB-C
  • Construction: 19" / 1U
  • Weight: 2.7 kg
  • Incl. rack bracket
  • 2 x CAT5e Ethernet cable
  • USB-A to USB-C cable and external power supply unit
PROS
  • • Exceptional preamp clarity; reveals subtle details in sources.
  • • MH-Link offers unparalleled flexibility and routing capabilities.
  • • Robust, rack-mountable build quality; feels incredibly solid.
  • • Powerful DSP unlocks complex mixing and processing workflows.
CONS
  • • Premium-priced, a significant investment for smaller studios.
  • • Sub-D25 connectors can be intimidating for some users.
  • • Size and weight limit portability; best suited for a fixed location.

Product Video

Key Features

Inputs 8 XLR, 2 Hi-Z, 8 Line (Sub-D25)
Outputs 8 Line (Sub-D25), 8 Send (Sub-D25), 2 Monitor (6.3mm)
Max Sample Rate 192 kHz
Bit Depth 24-bit
Preamps 8 Ultra-low-noise R preamps
Weight 2.7 kg

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Frequently Asked Questions

MH-Link allows cascading multiple ULN-8 mkIV units, dramatically increasing I/O count and enabling complex signal routing scenarios.
Yes, the 3D Core DSP can handle significant processing; Metric Halo provides a growing library of plugins and supports VST/AU for external options.
They're fantastic for direct recording of guitars and basses, delivering a warm, full tone with minimal noise and excellent headroom.

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