Focusrite VRM Box USB Audio Interface

The Focusrite VRM Box functions as a high-quality 24-bit/48kHz USB audio playback interface.

VRM overcomes the major obstacle for mixing with headphones by giving you multiple perspectives on your mix, as if you were listening through speakers. Indeed, noise levels from mixing through speakers can make it impossible for most to mix at home, especially late at night; with VRM, you can mix any time, anywhere. Using any pair of monitoring headphones, VRM lets you choose your mixing environment from a living room, a bedroom studio, or a professional studio. You then simply choose from a list of industry-standard studio monitors and speakers.

VRM Box delivers audio quality worthy of your headphones. Boasting a dynamic range of 108dB, it provides a sound that's more precise, with lower distortion, than other low-cost audio interfaces, and far superior to built-in laptop headphone outputs.

VRM Box functions as a high-quality 24- bit/48kHz USB audio playback interface. So, whether you're mixing, creating music or simply listening to tracks, VRM Box is perfect. What's more, there's no need for a power supply or batteries, because it gets all the power it needs, with full audio quality, from your computer's USB port. VRM Box also features a digital (S/PDIF) input, which supports sample rates up to 192kHz. This allows you to run it in conjunction with your Pro Tools HD system, or any other interface with an S/PDIF output.

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
• 2 input channels to computer: S/PDIF (2)
• 2 output channels from computer: Headphones (2)

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

• 1 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
• Mac
• OS X 10.5 Leopard (Intel only), OS X 10.6 Snow Leopard

Weight and Dimensions

• Unboxed: 68mm x 25mm x 68mm (W x H x D)
• Boxed: 155mm x 210mm x 75mm (W x H x D)
• NetWeight: 123g
• Gross Weight: 380g

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