Rated 4.9 (132 reviews)
USB-C powered audio balancing unit from Interspace Industries. Connects a computer or consumer audio source to a professional sound system via dual balanced XLR outputs. It is a self-contained USB sound card that bypasses the host’s internal DAC, with DC blocking capacitors protecting the outputs. Designed and assembled in the UK for the pro AV market, stage, install, broadcast and conference applications.
USB-C
INPUT · bus-powered
2 × XLR
OUTPUTS · balanced male
−35 dB
PAD · line-to-mic
20 Hz-20 kHz
BANDWIDTH · full range
Power & connectivityBus-powered entirely from the host USB-C port, no external PSU, no batteries. Ships with a USB-C cable. Works with any laptop, tablet or playback device that outputs audio over USB-C.
Features
Stereo-to-mono sum switch
Output pad: 0 dB or −35 dB for mic-level destinations
Switchable earth (ground) lift to break ground loops
USB-C bus powered, no external supply
Passive resistive output network protects source drivers
Full 20 Hz-20 kHz bandwidth
Designed and manufactured in the UK
UKCA, CE and FCC Class B compliant
NoteWhen using the earth-lift feature, the receiving equipment (i.e. the mixer or sound desk) must have a reliable balanced input earth for hum-free operation.
Specifications
| Input | USB-C (bus powered) |
| Outputs | 2 × balanced male XLR (L / R) |
| Output impedance (line) | 2.7 kΩ |
| Output impedance (mic / pad engaged) | 600 Ω |
| Pad attenuation | approx. −35 dB |
| Bandwidth | 20 Hz-20 kHz |
| Stereo-to-mono sum | Switchable; internal resistive network |
| Earth lift | Switchable on outputs |
| In the box | Unit + USB-C cable |
| Compliance | UKCA / CE, EN 62368-1:2014, EN 55103-1/2:2009, FCC Class B |
| Origin | Designed in England; made in the UK |
