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Metric Halo Lio-8 Digital Audio Processor

Metric Halo Lio-8 Digital Audio Processor

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Page last updated Jan 15, 2026

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Description

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Unlock the potential of your studio with the Metric Halo Lio-8 Digital Audio Processor. Designed for discerning audio engineers and producers, the Lio-8 combines cutting-edge technology with unparalleled flexibility, making it an essential tool for both pristine recording and dynamic live performance. Known for its exceptional A/D conversion quality, this audio interface is perfect for those who demand the highest sonic fidelity.

What sets the Lio-8 apart is its expandable architecture, allowing you to customize your setup as your needs evolve. While the base model offers stellar performance, the option to add up to eight ULN-R mic preamps transforms it into a powerhouse of versatility. Whether you're working in stereo or crafting immersive 7.1 surround soundscapes, the clickless remote-controlled monitor outputs ensure seamless transitions and crystal-clear audio delivery.

The Lio-8 doesn't just stop at recording; its integration capabilities are second to none. With features like DC-coupled, servo-balanced line inputs and outputs, and support for universal sample rates, it fits effortlessly into any studio environment. Add the +DSP license, and you gain access to a treasure trove of over 100 plug-ins, enabling you to sculpt your sound with precision and creativity.

Whether you're a seasoned professional or an ambitious newcomer, the Metric Halo Lio-8 is your gateway to superior audio quality and unmatched adaptability.

Key Features:

192k sample rate support for Analog and AES Inputs and Outputs
DC-coupled, zero phase distortion, servo-balanced Line Inputs and Outputs
Remote-controlled, clickless Monitor outputs for flexible stereo to 7.1 surround applications
Optional upgrade to 4 or 8 ULN-R mic pres
+DSP license option with over 100 plug-ins for advanced processing
Universal sample rate support with Analog, AES, and Firewire interfacing
Works standalone or with a computer, compatible with various DAWs

Product specs

Peak Line Output @ 0 dBFS (no jumper/low power)	+18.5 dBu
Peak Line Output @ 0 dBFS (output jumper/low power)	+22.0 dBu
Peak Line Output @ 0 dBFS (output jumper/high power)	+24.5 dBu
Analog Send Max Output	+21.5 dBu
Line In Max Input	+24.5 dBu
Output Impedance	5 Î
Nominal FS output (Balanced) Output Jumper Off	-19.0 dBu
Nominal FS output (Balanced) Output Jumper On	-12.0 dBu
Maximum Output	Same as Line
Gain Range	-12 dB to +31.5 dB
Gain Precision	±0.05 dB
Gain Step	0.5 dB
Input Impedance	10 kÎ
Dynamic Range (-60 dB, flat 0-22.05 kHz, typ)	115 dB
Dynamic Range (-60 dB, A-weighted, typ)	118 dB
Noise Floor (flat 0-22.05 kHz, typ)	115 dB
Noise Floor (A-weighted, typ)	117.9 dB
THD D/A/A/D loop @ -12 dBFS	0.0005 %
THD D/A/A/D loop @ -0 dBFS	0.0015 %
Crosstalk @ 1kHz	-127 dB
IMD 1k component (19 kHz/20kHz @ +8dBu)	-104 dBu
+0/-0.1dB @ fs = 44100 Hz	5.7 Hz - 20.5 kHz
+0/-1.0dB @ fs = 44100 Hz	1.8 Hz - 21.0 kHz
+0/-0.1dB @ fs = 96000 Hz	5.7 Hz - 43.9 kHz
+0/-1.0dB @ fs = 96000 Hz	1.8 Hz - 45.4 kHz
+0/-0.1dB @ fs = 192000 Hz	5.7 Hz - 42.1 kHz
+0/-1.0dB @ fs = 192000 Hz	1.8 Hz - 64.7 kHz
5 low-end in-channel phase deviation point	10.7 Hz
Interchannel phase 0 Hz - 20 kHz	< ±0.05
Crosstalk from SMPTE Input	< -142 dB
M/S Decode	Instantiable
Parameteric EQ	Instantiable
Dynamics	Instantiable
Character	Instantiable
Reverb	Instantiable
Delay	Instantiable
M/S Encode	Instantiable
Dither	Instantiable
Mix Foldown	Instantiable
Indicator LEDs (Bicolor)	495
Meters	16
Segments per Meter	15
Channel Encoder Knobs	8
Encoders Have Shaft Push Buttoms	Yes
Monitor Controller Encoder Knobs	1
Monitor Controller Mute	Yes
Monitor Controller Dim	Yes
Indicators Per Encoder	16
Sample Rate Indicators	6
Clock Source Indicators	4
AES Clock Source Indicators	4
AES Lock Indicators	4
AES Input Signal Indicators	4
AES Output Signal Indicators	4
System Lock Indicator	1
Firewire Indicator	1
Front Panel Modes	14
Headphone Output (Dedicated DAC)	TRS Stereo
DI Inputs (2)	TRS Balanced
DI Input Impedance	10 MÎ
DI Input Fixed Gain (Jumper Selectable)	0/10/20 dB
DI Input Variable Gain	-12 dB to 31.5 dB
Power Switch (Jumper Defeatable)	Toggle
MIDI Connectors (In and Out)	5-Pin DIN
SMPTE Connectors (In and Out)	Balanced TRS
Word Clock Connectors (In and Out)	75Î BNC
AES Connector (8 Channels In and Out)	DB-25
AES Connector Pinout	Tascam/Digidesign Digital
Line Input Connector (8 Channels)	DB-25
Line Input Pinout	Tascam/Digidesign Analog
Send Output Connector (8 Channels)	DB-25
Send Output Pinout	Tascam/Digidesign Analog
Line/Monitor Output Connector (8 Channels)	DB-25
Line/Monitor Output Pinout	Tascam/Digidesign Analog
Line/Monitor Mult Output Connectors (Analog 1/2)	TRS Balanced
FireWire Connectors (2)	1394a 6-Pin
Power (Unswitched)	2.1mm Coaxial
Power (Switched)	4-Pin XLR
Security Slot	Kensignton
Driver	CoreAudio Mac OS X
Mac OS X	10.3.9 or newer
Architectures	PPC, Intel
MIO Console	Included
Record Panel	Included
LTC Decoder	Included
Mixer	Included
+DSP License	Optional
Voltage	14v - 28v
Power	24 Watts
FireWire Bus Powerable	No
Passes FireWire Bus Power	Yes
Supplies FireWire Bus Power	No
External Supply (Input)	I00-240VAC
External Supply (Max Input Current)	1.2 A
External Supply (Output)	24 VDC
External Supply (Max Output Current)	2.0 A
External Supply Connector	4-Pin XLR
Material	Powder Coated Aluminum
Fasteners	3mm Phillips Head
Weight	2.7 kg
Dimensions	432 x 330 x 44 mm
Rack Ears (included)	Powder Coated Steel
Rear Rack Mounts	Available

FAQs

What connectivity options does the Metric Halo Lio-8 Digital Audio Processor offer?: The Metric Halo Lio-8 features multiple connectivity options including FireWire, AES/EBU via DB-25, and TRS balanced connectors for DI inputs, providing flexibility for various studio setups.
Is the Metric Halo Lio-8 compatible with Mac OS?: Yes, the Metric Halo Lio-8 is compatible with Mac OS X 10.3.9 and newer, supporting both PPC and Intel architectures, and integrates with CoreAudio.
How many channels does the Metric Halo Lio-8 support?: The Metric Halo Lio-8 supports 8 channels of analog input and output, making it suitable for multitrack recording and complex studio configurations.
Does the Metric Halo Lio-8 require an external power supply?: Yes, the Metric Halo Lio-8 requires an external power supply with a voltage range of 14v to 28v and is not FireWire bus-powerable.
What is the dynamic range of the Metric Halo Lio-8?: The Metric Halo Lio-8 boasts a dynamic range of 118 dB A-weighted, ensuring high-quality audio capture and playback with minimal noise.