Focusrite's VRM (Virtual Reference Monitoring) technology, which first made an appearance in their Saffire Pro 24 DSP interface, has found its way into a dedicated headphone monitoring interface, the VRM Box. Launched at NAMM, this clever gizmo connects to your computer via USB, and endows it with a stereo 24-bit/48kHz headphone output (though it can work at any standard sample rate up to 192kHz, when used with its S/PDIF input).
As well as offering a high-quality headphone amp (which boasts a dynamic range of 108dB, A-weighted), it also boasts some cunning internal DSP processing, which models the sound of a pair of monitors in a control room, giving you a more natural monitoring experience. The speakers modelled include a pair of Genelec 1031As, KRK VXT8s, Auratone 5Cs and Yamaha NS10s. There are also models of speakers "commonly found in domestic environments", such as those of a television set.
With VRM Box, you can mix in your studio, wherever you are. Pocket sized and built to last, VRM Box places Focusrite's proven and patent-pending VRM - Virtual Reference Monitoring - technology in a robust, palm-sized audio 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.
Virtual Reference Monitoring
The Problem VRM (Virtual Reference Monitoring) is Focusrite's own loudspeaker & room simulator designed for headphone listening. Accurate mixing has until now, required expensive monitors and a carefully designed and treated control room. Currently, both professional music producers facing budgetary limitations and project music makers without access to such, frequently encounter mixing and "auditioning" difficulties.
The Solution VRM allows you to choose from 10 pairs of industry standard nearfield and main monitors in an acoustically treated control room.
Engineers routinely A/B their mixes by burning CDs and taking them into untreated rooms to reference on consumer stereos. VRM eliminates this process by simulating two extra rooms; a large living room and a smaller bedroom. You can choose between a range of speakers including quality hi-fi, computer, cheap stereo and television speakers.
The Method VRM Box uses standard headphones to reproduce the direct sound, together with software running on your computer that is used to simulate specific monitoring scenarios. VRM's room models are mathematical models which provide greater flexibility in the possible combinations of loudspeakers and listening environments. The loudspeaker simulations are created using convolutions of impulse responses measured using the original loudspeakers. The accuracy of these simulations in different environments is taken care of by the impulse responses themselves and the way they are calculated and manipulated.
Mix in your studio, wherever you are.
Focusrite's patent-pending and proven VRM - Virtual Reference Monitoring - technology, lets hear your mix in different environments and through different speakers, just using headphones. Enhanced mathematical room models combine with speaker emulations, sampled using a unique dynamic convolution 'sampling' process.
Make the most of your headphones
VRM Box has D/A conversion with a dynamic range of 108dB, delivering 105dB at the headphone output - significantly better than most laptop headphone outputs, which seldom exceed 93dB.
Pocket sized and built to last
The compact size and robust build quality of VRM Box means it's ready to go anywhere, any time.
Headphone Outputs (Outputs 1-2)
· Output impedance: < 10 O
· Power output into 150O: 15mW
· Power output into 50O: 30mW
· THD+N: -100dB (0.001%) (-1dBFS input, 20Hz/22kHz bandpass filter, 150O 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
· 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
· 1 Green LED Indicator:
- Flashing: Unit not installed correctly on host
- Off: VRM effects turned off
- On: VRM effects turned on
· Bus power from USB bus
Operating System Requirements
XP (service pack 3), Vista, 7 (32 and 64-bit)
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)
Gross Weight: 380g
Focusrite warrants its products to be free from defects for 1 year from the date of purchase.
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