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| New Lower Pricing M2 Tech Hi Face 24/192 USB to SPDIF Converter - $159.99 (RCA), $179.99 (BNC) | |||||||||||||||||||
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Reviews: http://www6moonscom/audioreviews/m2tech/hifacehtml http://wwwpositive-feedbackcom/Issue51/m2techhtm - reviewed by Larry Cox http://wwwenjoythemusiccom/magazine/equipment/0210/m2tech_hiface_usbhtm |
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Hi-End S/PDIF Output Interface DETAILS Highest quality digital audio up to 192kHz/24bit S/PDIF audio format available from your PC or MAC Very low jitter oscillators and proprietary drivers Compact size (2x22x102cm) with hi-end performances hiFace USB interface has been conceived to obtain the highest quality digital audio signal using a PC or MAC hiFace input format is a data stream signal with sampling frequency/resolution up to 192kHz/24bits, available from a PC or MAC USB port A very high quality S/PDIF stereo audio output signal is available from hiFace for your Hi-Fi system DAC (Digital to Analog Converter) HiFace looks like a small USB pendrive, featuring a very compact size Internal very low jitter oscillators and proprietary drivers allow for playing 192kHz/24bits audio files that feature the best signal quality FEATURES 1) LOW JITTER, LOW PHASE NOISE, HIGH STABILITY OSCILLATORS Most audio interfaces and USB-provided DACs refer the data stream clock to the same USB interface clock, that often suffers a very heavy jitter (short range oscillator frequency variations) Thanks to two quartz precision oscillators used on M2Tech hiFace, clock source for output data stream features a very low jitter A more stable clock is recovered by DAC S/PDIF receiver; a low jitter produces a very limited sound image distortion and degradation Phase noise (main responsible for jitter) is also very low: this guarantees a short and long range clock stability, also reinforced by a board supply voltage regulation (eg at environmental temperature stability is 2-5ppm approximately, compared to 50-100ppm performed by oscillators normally used on commercial CD players) 2) PROPRIETARY DRIVERS The standard audio drivers available on the market (eg Microsoft Windows operating system) dictated constraints can be overcome thanks to hiFace proprietary drivers: they allow for transferring audio data, maintaining the original file quality without any loss of resolution quality; also, sampling frequency constraints are overcome, while Microsoft and ASIO drivers oblige to operate at no more than 96kHz When hiFace is used together with a player application such as FooBar (available for free on Internet), you can transfer S/PDIF stream music files to a D/A converter at 192kHz/24bits maximum frequency/resolution, avoiding undesired PC or MAC audio mixer data processing during the data transfer from hard disk to interface Presently, Windows XP, Vista, Windows 7 drivers are available, as well as Mac drivers for 104, 105 and 106 3) COMPACT SIZE AND EASE OF USE M2Tech hiFace features a very compact size and can be directly (or using an accessory USB A-A adapter, not supplied with hiFace) connected to a High Speed USB 20 port of any computer A very high electric and mechanical performance RCA gold connector provides an output signal, ready to be connected to a Hi-End system No external power supply is required, as hiFace draws its power from USB bus itself and regulates it with its internal regulators hiFace USB interface connected to a last generation mini PC provided with a High Speed USB port makes for a complete music transport system at very low prices (in the range of few hundreds Euros) Such system allows for listening any density and resolution music files, playing own CD's using a CD ROM drive, obtaining access to more than 10,000 web radio, many of which broadcast their transmissions with CD quality SPECIFICATIONS Connections Input 1 x USB A type male Output 1 x RCA female I/O Standard Input USB 20 Format Output S/PDIF Stereo Digital Audio Format Sampling Frequency 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4khZ, 192kHz Resolution 16 up to 24 bit Dimensions 102(d) x 22(h) x 2(w) cm Power Supply 5V DC from USB bus Temperature from 0°C to 70°C Weight 50gr approx |
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HiFace Evo 24/192 USB to SPDIF Converter -
$499.99 NOTE: AC to DC power adapter included! |
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| Recomended Digital Cable, Recommended USB Cables | |||||||||||||||||||
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Review: hifi-advicecom - October 2010 http://wwwhifi-advicecom/Hiface-EVO-reviewhtml -Christiaan Punter - since this Review was published! 120 Volt Power Adapter included. Review Snippet: The Evo is a development from the original HiFace usb-stick type interface that offered an affordable and simple solution to converting usb to spdif audio The new Evo does not only that, it also offers its output signals in all audioformats known to man But the biggest thing is that it sounds a lot better Make that A LOT Review 1 - Windows PC: Listening: To make the comparison complete, I went back to the original HiFace I knew that it sounded somewhat thin but at least it was open and airy Imagine my surprise then when it turned out to sound downright disappointing Its sound was very grey and not at all as open and airy as the new Evo Sure it was correct: fast, precise and detailed But it totally lacked the full musicality that the Evo provided Also it was more narrow in focus and lacked the wide soundstage that the Evo does so well In short: it was no comparison and it was hard to imagine that these two products were even related The HiFace was fast, impressive, detailed, open and airy but ultimately I found it less engaging than the EMU The Evo is a different story: even during the first track it was already clear that this was a different animal The sound was big, airy, fluid, fast, rhythmic, focused and very open yet there was no clinical quality to the sound at all The sound just captivated me and made my foot tap It was certainly very engaging Review 2 - Mac Macbook Pro was positioned right next to the dac and connected by a Wireworld Gold Starlight III digital coaxcable, straight into my Levinson no360S dac For this test I copied a few tracks from CD straight into iTunes, in AIFF and compared them to the same cd's playing in my Levinson no390S cd player I swapped the interconnects between dac and cd player to avoid differences in cables or inputs on the preamp Listening: For the second time, I was surprised by the soundquality of the EVO Even with the Macbook Pro as a source it was very engaging (don't get me wrong: as a computer it is excellent, but it is still a laptop, complete with inherent lower soundquality than a big tower computer) The first track I played was from a Pat Metheny CD, together with Ana Maria Jopek This track was immensely enjoyable via the Mac It was so engaging that I almost forgot that I was doing a test but as soon as I realised that again, I swapped sources and listened to the cd, spinning in the Levinson Mmmmmmm Could it be that it was actually less enjoyable? This was unexpected The CD sounded fuller and more relaxed, but also less open and explicit I was quick to start comparing the next cd, from George Duke This time the situation was reversed in that the Mac sounded nice but the CD added more realness and a more analogue quality to it It seems that the first track was helped by the more explicit sound of the EVO while the second was not After these first impressions I listened to many more tracks from the Mac and have to conclude that with the addition of the Evo, the Macbook certainly sounds very impressive and with certain tracks even simply magical Update may 2011: I have one in permanent use and haven't heard competing devices that completely better the HiFace EVO's performance yet New Stand Alone battery Available! |
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Hi-End S/PDIF Output Interface DETAILS hiFace Evo by M2Tech is the new statement in high quality computer audio interfaces Hosted in a compact and stylish aluminum case, hiFace Evo is capable of flawlessly transfer audio data up to 192kHz, 24 bits to virtually every DAC or A/V receiver around, thanks to its comprehensive outputs set hiFace Evo incorporates the same leading edge technology as the classic hiFace – with some plus Asynchronous operation up to 192kHz is used in conjunction with proprietary drivers which allow for Kernel Streaming, Direct Sound and WASAPI operation (the latter under Windows vista and 7) Windows and Mac drivers are already available Very high precision, very low phase noise (jitter) crystal oscillators are used To further improve their performance, they have a dedicated shunt voltage regulator which ensures a very low noise and spurious-free supply hiFace Evo is powered by an external power supply (included), to avoid the dirty USB bus supply from negatively affecting hiFace Evo’s performance Linear regulators are used all around, to allow all jitter-sensitive digital circuits to operate at their best Also, a low-pass filter is provided at supply input to further reduce any bad influence from the supply hiFace Evo can be powered by an external wall adapter (9V 1A will fit), or with a 9V alkaline battery, or with a 72V/108V Lithium battery Several outputs are available at the same time: coax on RCA, coax on true 75 Ohms BNC, AES/EBU on male XLR, optical on Toslink™ (Toslink™ is guaranteed to operate up to 96kHz, though we got operation up to 1764kHz on certain setups), optical on ST (for high-speed operation up to 192kHz and up to 16km or 1 mile), straight I2S for direct connection to DIY DACs on RJ-45 (NOT plug-in compatible with NorthStar products!) All outputs, except straight I2S, are galvanically isolated (coax and AES/EBU via a pulse transformer) AES/EBU output can be set to professional or consumer mode by an internal jumper In addition, an input for an external clock is available, for those who have a extremely precise and stable clock generator to be used with hiFace Evo hiFace evo automatically recognizes the presence of the clock on its input and switches on it whenever available This input is also galvanically isolated via a pulse transformer Three LEDs indicate power, external clock presence and incoming data from the PC Connection to the PC is via a type B female USB connector FEATURES LOW JITTER, LOW PHASE NOISE, HIGH STABILITY OSCILLATORS Most audio interfaces and USB-provided DACs refer the data stream clock to the same USB interface clock, that often suffers a very heavy jitter (short range oscillator frequency variations) Thanks to two quartz precision oscillators used on M2Tech hiFace, clock source for output data stream features a very low jitter A more stable clock is recovered by DAC S/PDIF receiver; a low jitter produces a very limited sound image distortion and degradation Phase noise (main responsible for jitter) is also very low: this guarantees a short and long range clock stability, also reinforced by a board supply voltage regulation (eg at environmental temperature stability is 2-5ppm approximately, compared to 50-100ppm performed by oscillators normally used on commercial CD players) PROPRIETARY DRIVERS The standard audio drivers available on the market (eg Microsoft Windows operating system) dictated constraints can be overcome thanks to hiFace proprietary drivers: they allow for transferring audio data, maintaining the original file quality without any loss of resolution quality; also, sampling frequency constraints are overcome, while Microsoft and ASIO drivers oblige to operate at no more than 96kHz When hiFace is used together with a player application such as FooBar (available for free on Internet), you can transfer S/PDIF stream music files to a D/A converter at 192kHz/24bits maximum frequency/resolution, avoiding undesired PC or MAC audio mixer data processing during the data transfer from hard disk to interface Presently, Windows XP, Vista, Windows 7 drivers are available, as well as Mac drivers for 104, 105 and 106 COMPACT SIZE AND EASE OF USE M2Tech hiFace features a very compact size and can be directly (or using an accessory USB A-A adapter, not supplied with hiFace) connected to a High Speed USB 20 port of any computer A very high electric and mechanical performance RCA gold connector provides an output signal, ready to be connected to a Hi-End system No external power supply is required, as hiFace draws its power from USB bus itself and regulates it with its internal regulators hiFace USB interface connected to a last generation mini PC provided with a High Speed USB port makes for a complete music transport system at very low prices (in the range of few hundreds Euros) Such system allows for listening any density and resolution music files, playing own CD's using a CD ROM drive, obtaining access to more than 10,000 web radio, many of which broadcast their transmissions with CD quality SPECIFICATIONS: Size: 105x46x104mm (w x h x d, case) 105x50x142mm (w x h x d, total) Weight: 380g Sampling frequencies (kHz): 44.1, 48, 88.2, 96, 176.4, 192 Resolution (bits): 16 to 32 Inputs: USB 20, optical Toslink™ ATT ST, supply, master clock Outputs: S/PDIF x2 (RCA & BNC) AES/EBU (XLR) I2S (RJ-45) Supply voltage: 7-11VDC (15VDC max) Supply current: 140mA (idle, no output connected) Master clock input voltage: 33VPP I2S output voltage: LVCMOS (33V) with 25mA current capability on each line |
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Forum Posting on Computer
Audiophile - Submitted by kpavey on Tue, 03/08/2011 - 20:46 Joined: 03/08/2011 : Offline : Comments: 1 JKenny HiFace mod with battery supplies rocks! My Hiface was commissioned last night by myself and friend who bought the same unit John configured everything for plug and play with the two LiFePO4 batteries After reviewing the documentation he supplied the table gave everything we needed, and conveniently enough the outputs match the Buff2 DAC (however don't need MCLK) She fired up immediately after installing the driver No issues whatsoever There are some slight improvements to his documentation I have suggested and I believe these will be done shortly It was immediately obvious that the Hiface is distinctly better than the dddacde USB-I2S convertor (which has a Guido Tent X02 reclocking 12Mhz into it) in several ways: Far more transparent - I was able to detect many subtleties in recordings I had not heard before, like felt pedal action on a piano and other instrument interplay previously obscured Improved tonality and expression - related to the above, better ebb and flow, more dynamic shadings and expression heard in voices, and instruments Slightly better top end resolution - again related to transparency, and making shakers sound like shakers Improved pace, rhythm, and timing - not expected, but very much welcomed And this was without the galvanic isolation included! Conclusion - I expected I would struggle to hear the difference between the dddacde USB-I2S converter and the Hiface On the contrary, the differences are bleedingly obvious This is perhaps the best bang for buck I've ever experienced in hifi - a truly amazing sonic improvement Thankyou |
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Evo Supply High Performance Power Supply DETAILS Evo Supply is a battery-based high performance power supply It’s the perfect companion to the hiFace Evo and other 9V-operated M2Tech devices Evo Supply features a Li-Ion battery with 2200mAh capacity (minimum), an integrated battery charger and a low-noise regulator which is used to provide current to the load while the battery is being charged, thus ensuring continuous operation to the load Charge time is about three hours, the best choice to ensure a long battery life Evo Supply delivers up to 1A (peak) on 9V (low-noise regulator) or on 95V to 11V (battery) Two outputs are available for more versatility A switch allows for turning the load off when not used to save on battery charge Another switch allows to select the operation mode: automatic charge or charge inhibit Two leds indicate the presence of the wall adaptor and the charge in progress In automatic charge mode the battery charger starts charging the battery every time the battery voltage drops below a low threshold During the charge, the low-noise regulator feeds current to the load At the end of the charge process, the output reverts to the battery In charge inhibit mode, the battery is used down to the low threshold and then the load is disconnected to avoid excessive depletion Charge is then started by switching to automatic charge mode The battery is protected against overcharge, overcurrent and excessive depletion A 15V/2A detachable wall adaptor provides current for battery charging and load powering when the battery is being charged The user may disconnect the wall adaptor after battery is fully charged in order to reduce interferences to a minimum Evo Supply features heavy duty output connectors for reliable contacts Two cables terminated with 55/21mm plug (positive on tip) and a universal power wall adaptors are included in the package FEATURES 1) LONG BATTERY DURATION: around 7 hours when powering the hiFace Evo 2) VERY LOW NOISE even when using the internal regulator 3) STYLISH ALUMINUM CASE matches the look of the hiFace Evo SPECIFICATIONS Size: 105x46x104mm (w x h x d, case) 105x50x150mm (w x h x d, total) Weight: 500g (800g with wall adaptor) Supply voltage: 15VDC Supply current: 2A peak Output voltage: 9-11V (battery directly connected to output) Output current: 1A peak, 500mA continuous Inputs: supply on 55/21mm socket (positive on tip) Outputs: 2 x Bulgin heavy duty female connectors |
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