Amplificator casti iFi Audio GO bar Kensei

iFi Audio Cod: 0312011
Preț de listă 2.249 lei 1.999 lei
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Caracteristici principale

  • Formate suportate:
  • PCM 44.1/48/88.2/96/176.4/192/35
  • DSD 2.8/384kHz 2.8/3.1/5.6/6.1/11.3/12.3MHz
  • DXD 352.8/384kHz
  • MQA Full Decoder
  • Intrari: USB-C
  • Bit-Perfect DSD & DXD DAC by Cirrus Logic
  • Iesiri casti: BAL 4.4mm/UnBAL 3.5mm
  • Putere RMS:
  • Balanced 475mW@32Ω; 7.2V@600Ω
  • UnBAL 300mW@32Ω; 3.8V@600Ω
  • Raspuns in frecventa: 20Hz - 45kHz (-3dB)

The Ultimate GO bar.

GO bar Kensei is akin to a legendary sword meticulously forged for a Kensei. Embodying the dedication of a master swordsmith, we focused on purity, balance, and refinement to reveal the true essence of your music.

Featuring cutting-edge Japanese audio processing technology: K2HD, and improved power supply and clock circuitry, the Kensei represents the pinnacle of our journey of refinement in the GO bar range.

Whether you’re commuting, working remotely, or traveling for pleasure, the GO bar Kensei offers a perfectly portable solution to elevate your headphone experience to heavenly heights.

Kensei is a Japanese term that translates to “Sword Saint” in English, a title granted to the elite few who elevate the craft and artistry of swordsmanship beyond even that of the finest swordmasters.

Revitalise studio recording sound with legendary K2HD.

Despite their pristine clarity, digital recordings sometimes seem emotionally flat and lifeless.

Engineers at the prestigious Victor Studio, troubled by the discernible lack of emotion between their original masters and digital sub-masters, embarked on a quest for a solution.​

They meticulously compared countless finished recordings with the copy recordings by ear, relying on their instinctive feel and their human expertise.​

Their solution; K2 Technology*.​

The K2 Technology process revives rich, natural harmonics into the sterile, detached digital sound, adding an organic quality unlike any other.​

K2 Technology processing revitalises the studio recording sound, infusing it with life once again.​

*Read our Tech Note for more information.

“K2 Technology” and “K2HD” are registered trademarks of JVCKENWOOD Corporation.​

Tailored. Sweet Sound.

Listen the way you like with four bespoke digital filters and two analogue processing modes, each tailored to enhance your enjoyment across different music genres.

Bit-Perfect: Delivers natural tones, ideal for all genres.

GTO: Enhances sound details and density, particularly suited for Vocal tracks.

Minimum Phase: Produces a warmer sound, blending characteristics of Bit-Perfect and Standard, perfect for Soul and Jazz.

Standard: Offers a tighter sound with controlled highs, perfect for Pop music and Movie OST.

Experience chest-thumping bass with XBass+ and immerse yourself in a spacious sound field with XSpace.

Advanced chip. Accurate clock.

The DAC section of the GO bar Kensei uses a powerful 16-core XMOS micro controller to process the audio data received at the USB input. Our in-house team has programmed the XMOS firmware to optimise sound quality and ensure a perfect partnership with the 32-bit Cirrus Logic DAC chipset.

A customised digital filter minimises pre-echoes and ringing artefacts. Our GMT (Global Master Timing) precision clock system ensures ultra-low jitter.

Supports higher-than-streaming audio formats:

  • PCM up to 32-bit/384kHz ​
  • Native DSD playback up to DSD256​
  • 2x DXD
  • Full MQA decoding

Compact and Powerful.

The GO Bar Kensei is crafted with Japanese stainless steel for maximum rigidity.

With its compact dimensions of 65 x 22 x 13.2 mm, it matches the size of a USB flash drive. This makes it the perfect travel companion for your mobile, tablet or MacBook Pro, blending into your life for headphone use.

Its USB-C connectivity ensures plug-and-play convenience, allowing for hassle-free use.

The GO Bar Kensei offers a maximum output power of up to 477mW, which is about 10 times more powerful than an iPhone 15*.

It incorporates two power tuning technologies: iEMatch for high-sensitivity IEMs, and Turbo mode for power-hungry headphones. This allows it to easily drive a wide range of premium earphones and headphones.

*Compared to iPhone’s USB-C to 3.5mm Adapter.

Cut the Crosstalk.

Connect to the GO bar Kensei via 3.5mm S-Balanced or 4.4mm Balanced headphone outputs.

iFi’s exclusive 3.5mm S-Balanced* technology cuts crosstalk and noise by 50% with regular single-ended headphones.

*Read FAQ for more information.

Tantalum capacitors are another example of the top-notch components we prefer. These polarised electrolytic capacitors have superior frequency and stability characteristics, giving them a super high volumetric efficiency.

The GO bar’s analogue circuitry features balanced design with a symmetrical twin-channel output stage.

This topology, usually reserved for larger and more expensive amplifiers owing to its cost and complexity, reduces noise and crosstalk in the signal path by fully separating the left and right channels.

Hi-Res True Native® playback of all music formats from MP3 to DSD256, PCM384 and DXD384

K2HD Processing revives rich, natural harmonics into emotionally flat and lifeless digital recordings.

The unparalleled originality of K2HD lies in its advanced high-frequency extension, enabling the restoration of natural harmonics and overtones beyond 22kHz, delivering audio quality that is close to the original master.

TDK C0G (Class 1 ceramic) capacitors offer high stability and low losses for resonant circuit applications.

Getting ever closer to the theoretical ideal of pure, frequency-constant capacitance, these capacitors reduce capacitor-induced distortion to vanishingly low levels.

They are pricey but are a perfect addition to our products.

Panasonic OS-CON caps totaling 5,410uF give very-low Equivalent Series Resistance (ESR), excellent noise reduction capability and frequency response characteristics. In addition, OS-CONs have a long-life span and its ESR changes little even at low temperatures since the electrolyte is solid.

They are not often found in products costing <US$1000.

The XMOS 16-Core chip processes the audio data received via the USB digital input.

This new low-latency XMOS microcontroller has greatly enhanced processing power. Compared to the current generation of eight-core chips, this new 16-core IC delivers double the clock speed (2000MIPS) and four times the memory (512KB), as well as the latest SuperSpeed USB standard.

iFi’s in-house digital development team has programmed the XMOS firmware to optimise sound quality and ensure a perfect partnership with the 32-bit Cirrus Logic DAC chipset used in the GO bar.

Extensive jitter-eradication technologies are applied to the digital stage, including our GMT (Global Master Timing) femto-precision clock and intelligent memory buffer. This represents a total ‘out-of-the-box’ systematic digital solution that solves jitter once and for all.

muRata control-type, low-ESR high-Q multi-layer capacitors. The ‘ESR control’ aspect of the Murata is something special. Their noise suppression abilities are impressive.

Technical Specifications

Input: USB-C

DSD 256 / 11.3MHz
PCM 384kHz
full MQA decoder

DAC: Bit-Perfect DSD & DXD DAC by Cirrus Logic

Headphone Outputs:
Balanced 4.4mm
S-Balanced* 3.5mm

RMS Output Power:
Balanced 477mW @ 32 ; 7.2V @ 600
S-Balanced* 300mW @ 32 ; 3.8V @ 600

Output Impedance:
Balanced 1Ω (With iEMatch engaged: 3.6 )
S-Balanced* 1Ω (With iEMatch engaged: 3.6 )

Balanced 132dBA
S-Balanced* 121dBA

Balanced 108dB(A)
S-Balanced* 109dB(A)

THD + N:
Balanced 0.0025% (600Ω @ 2V) @ (20-20kHz)
S-Balanced* 0.009% (16Ω @ 1.27V) @ (20-20kHz)

Frequency Response: 20Hz - 70kHz (-3dB)

Power Consumption: <4W max.

Dimensions: 65 x 22 x 13.2 mm (2.6" x 0.9" x 0.5”)

Net weight: 65.5g (2.3 oz)

*Single-Ended Compatible Balanced.

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