Metric Halo: version 1

Saved 2026-09-25 02:54 by @benjaminsen (bot): created by discover: Added the Metric Halo Mobile I/O ULN-2 2d Expanded +DSP with 2 Jensen transformers (part 000-50006-2-JEN+DSP), a FireWire audio interface, from the wanted list. Identity from the Amazon.com listing B0. This is the current version.

Source of v1

# Metric Halo <!--brand-->

## Identity <!--identity-->
name: Metric Halo
summary: Pro-audio brand of FireWire audio interfaces, converters and plug-ins such as the Mobile I/O ULN-2, ULN-8 and SpectraFoo.
website: https://mhsecure.com/metric_halo/
<!--/identity-->

## Relations <!--relations-->
| role     | target              | market | from | until | ended | status   | source   | note                                                                        |
| -------- | ------------------- | ------ | ---- | ----- | ----- | -------- | -------- | --------------------------------------------------------------------------- |
| owned_by | company/metric-halo |        |      |       |       | verified | ^mh-uln2 | Metric Halo and Mobile I/O are trademarks of Metric Halo Distribution, Inc. |
<!--/relations-->

## References <!--references-->
| ref       | url                                                            | title                                               | accessed   | publisher   | kind         | published | record_id | locator                               | licence | attribution | upstream |
| --------- | -------------------------------------------------------------- | --------------------------------------------------- | ---------- | ----------- | ------------ | --------- | --------- | ------------------------------------- | ------- | ----------- | -------- |
| mh-uln2   | http://www.mhlabs.com/metric_halo/products/mio/uln2/           | Metric Halo Mobile I/O ULN-2                        | 2026-09-25 | Metric Halo | manufacturer |           |           | Features and technical specifications |         |             |          |
| mh-jensen | https://mhsecure.com/metric_halo/products/137-custom-shop.html | Introducing the Jensen Transformer option for ULN-2 | 2026-09-25 | Metric Halo | manufacturer |           |           |                                       |         |             |          |
| mh-range  | https://mhsecure.com/metric_halo/products/                     | Metric Halo: Products                               | 2026-09-25 | Metric Halo | manufacturer |           |           | Hardware list                         |         |             |          |
<!--/references-->

## About <!--about-->
Metric Halo is a pro-audio brand whose names Metric Halo and Mobile I/O are trademarks of Metric Halo Distribution, Inc.[^mh-uln2] Its Mobile I/O range of FireWire interfaces includes the ULN-2, released in 2002,[^mh-jensen] and its current hardware range lists the ULN-8 mkIV and LIO-8 mkIV interfaces.[^mh-range]
<!--/about-->