Focusrite VRM Box

USB interface with headphone output featuring Virtual Reference Monitoring technology Focusrite VRM Box

We’ve all burned CDs of our mixes so that we can listen to our latest creation on as many different systems as we can: the living room HiFi, the television, our friends’ studio monitors and so on. Then the process of improving the mix based on what we’ve heard begins. We might burn another CD to check the updated mix on the same systems in the hope that it sounds better second time around. We may not realise it but we are now ‘reference mixing’. This is why most studios have multiple pairs of speakers; so the engineer can reference the mix on more than one monitor. For most of us this is tough, due to space or budget constraints. That is until now…

The Solution?
Introducing VRM Box. The high-quality USB headphone interface with a difference. VRM stands for Virtual Reference Monitoring. It gives you the option of listening to your mix on multiple sets of speakers, in different rooms, just using headphones. This helps to overcome the problems associated with creating a mix that translates well on many speakers. Burning CDs to listen to your mix in different environments will become a thing of the past.

Mix anywhere, any time
There’s no substitute for mixing on high-quality monitors in a well treated room, however sometimes this ideal scenario is not possible; we might be on a train, in a plane, in a hotel room, on the tour bus or simply at home late at night not wishing to disturb anyone. VRM allows you to make critical decisions on your mix, knowing for certain that it will translate well in many environments.

Small but perfectly formed
Compact enough to fit in the palm of your hand, and USB bus-powered, VRM Box is the ideal high-fidelity portable headphone interface. With a measured dynamic range of 108dBA, VRM Box provides a huge improvement for headphone listening when compared with the on-board sound of all laptops, as well as many far more expensive audio interfaces. Added with the Virtual Reference Monitoring technology, VRM Box represents incredible value for money.


Specifications :

Headphone Outputs (Outputs 1-2)
- Output impedance: < 10 Ω
- Power output into 150Ω: 15mW
- Power output into 50Ω: 30mW
- THD+N: -100dB (0.001%) (-1dBFS input, 20Hz/22kHz bandpass filter, 150Ω load)
- Signal to Noise Ratio: > 105dB

S/PDIF Digital Input
- Automatic Sample Rate conversion
- Supported sample rates: continuous from 32kHz to 192kHz
- THD+N: < -110dB any sample rate

Crosstalk (Channel Isolation)
- Any output to output: > 100dB

DIGITAL PERFORMANCE
- D/A Dynamic Range: 120dB (A-weighted)
- Measured D/A Dynamic Range: 108dB (A-weighted)
- Clock Source: Internal Clock only Clock jitter < 250 picoseconds
- Supported Sample Rates: 44.1kHz & 48kHz
- Input channels to computer: S/PDIF (stereo)
- Output channels from computer: Headphones (stereo)

Connectors and Controls
- Stereo S/PDIF input on RCA
- Stereo Headphone Output on 1⁄4” TRS
- Headphone Output Level control (analogue)
- 4-pin USB2.0 compatible socket

Indicators
- Green LED Indicator:
- Flashing: Unit not installed correctly on host
- Off: VRM effects turned off
- On: VRM effects turned on

Power
- Bus power from USB bus

Operating System Requirements
- Windows
- XP (service pack 3), Vista, 7 (32 and 64-bit)

- Mac :
- OS X 10.5 Leopard (Intel only), OS X 10.6 Snow Leopard
- For customers running computers with Intel's Core i-series chipsets, please check here.

Weight and Dimensions :
- Dimensions :
- Unboxed: 68mm x 25mm x 68mm (W x H x D)
- Boxed: 155mm x 210mm x 75mm (W x H x D)

- Weights :
- NetWeight: 123g
- Gross Weight: 380g