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Product Description

Line Circle
The iFi Audio GO bar Kensei is a cutting-edge ultraportable DAC featuring K2HD technology, delivering unparalleled audio quality by restoring lost harmonics and enhancing digital recordings. With a compact design and versatile connectivity options, it provides audiophiles with a powerful and immersive listening experience on the go.
Get the Details

Features & Specs Line Circle

K2HD processing for PCM realism
Designed with JVCKENWOOD, K2HD enhances PCM (up to 192kHz) by restoring harmonic richness and improving perceived musical “life,” especially on recordings that can sound sterile or flat.
True hi-res decoding and playback
The GO bar Kensei supports PCM up to 384kHz, Native DSD up to DSD256, DXD up to 384kHz, and performs full MQA decoding, making it a flexible hub for modern streaming and local libraries.
Serious drive in a tiny device
With up to 477mW @ 32Ω from the balanced output (and strong voltage swing for high-impedance loads), it provides confident dynamics and control for many premium over-ear headphones.
Four digital filters to match your music
Switch among Standard, Bit-Perfect, GTO, and Minimum Phase to shape transients, warmth, and clarity—handy for tailoring vocals, jazz, pop, or dense mixes without changing hardware.
Analog XBass+ and XSpace on demand
Add impactful low-end with XBass+ or widen the presentation with XSpace for a more open, speaker-like stage—without resorting to heavy DSP coloration.
Optimized for both IEMs and over-ears
iEMatch reduces hiss and improves usability with sensitive in-ears, while Turbo Mode adds +6dB gain for harder-to-drive headphones, giving you a broad pairing range across multiple collections.
K2HD processing for PCM realism
Designed with JVCKENWOOD, K2HD enhances PCM (up to 192kHz) by restoring harmonic richness and improving perceived musical “life,” especially on recordings that can sound sterile or flat.
True hi-res decoding and playback
The GO bar Kensei supports PCM up to 384kHz, Native DSD up to DSD256, DXD up to 384kHz, and performs full MQA decoding, making it a flexible hub for modern streaming and local libraries.
Serious drive in a tiny device
With up to 477mW @ 32Ω from the balanced output (and strong voltage swing for high-impedance loads), it provides confident dynamics and control for many premium over-ear headphones.
Four digital filters to match your music
Switch among Standard, Bit-Perfect, GTO, and Minimum Phase to shape transients, warmth, and clarity—handy for tailoring vocals, jazz, pop, or dense mixes without changing hardware.
Analog XBass+ and XSpace on demand
Add impactful low-end with XBass+ or widen the presentation with XSpace for a more open, speaker-like stage—without resorting to heavy DSP coloration.
Optimized for both IEMs and over-ears
iEMatch reduces hiss and improves usability with sensitive in-ears, while Turbo Mode adds +6dB gain for harder-to-drive headphones, giving you a broad pairing range across multiple collections.

Expert Insight

Line Circle

The K2HD technology seamlessly restores lost harmonics and revitalizes digital recordings, delivering audio quality that rivals the richness and depth of analog masters.

Expert Img
Dylan Crane
Brand Manager

Details

Line Circle

iFi Audio GO bar Kensei

iFi audio GO bar Kensei is a premium ultra-portable USB DAC/headphone amp built for serious headphone listening anywhere you use a phone, tablet, or laptop. Crafted from Japanese stainless steel for maximum rigidity, it pairs a 32-bit Cirrus Logic DAC with a 16-core XMOS controller and precision clocking to deliver clean, low-jitter hi-res playback in a pocket-sized form factor. For sound tailoring, it combines four selectable digital filters with iFi’s all-analog XBass+ and XSpace processing—so you can add weight, space, or keep things strictly neutral depending on the track. It’s equally comfortable driving power-hungry full-size headphones or ultra-sensitive IEMs thanks to Turbo gain (+6 dB) and iEMatch, while K2HD processing (PCM up to 192kHz) can restore harmonic richness for a more “master-like” presentation.

The iFi Audio GO Bar Kensei is part of ListenUp's iFi Portable Collection.

What It's Good At:

  • Restoring realism and harmonic richness to PCM music with K2HD processing (up to 192kHz PCM)
  • Driving everything from sensitive IEMs to demanding over-ears with Turbo (+6 dB) and iEMatch
  • Delivering powerful, low-noise output in a tiny form factor (up to 477mW balanced)
  • Customizing sound instantly with four digital filters plus XBass+ and XSpace (analog)
  • Keeping playback pristine with ultra-low jitter clocking and a high-performance XMOS + Cirrus DAC platform
  • Reducing noise/crosstalk and expanding compatibility via 4.4mm balanced and 3.5mm S-Balanced outputs

iFi Audio GO bar Kensei Full Specifications:

  • Product type: Ultra-portable USB DAC & headphone amplifier
  • Chassis/material: Japanese stainless steel
  • DAC chipset: 32-bit Cirrus Logic (Bit-Perfect DSD & DXD DAC)
  • USB interface/controller: 16-core XMOS microcontroller
  • Clocking: GMT (Global Master Timing) precision clock system (ultra-low jitter)
  • K2HD Processing: Yes (effective on PCM ≤ 192kHz; not effective/available on DSD or MQA)
  • Digital filters: Standard, Bit-Perfect, GTO, Minimum Phase
  • Analog processing: XBass+®, XSpace (analog domain)
  • Gain/drive features: iEMatch; Turbo Mode (+6dB)
  • Inputs: USB-C (digital input)
  • Headphone outputs:
    • 1x 4.4mm balanced
    • 1x 3.5mm S-Balanced
  • Formats supported:
    • PCM: 44.1 / 48 / 88.2 / 96 / 176.4 / 192 / 352.8 / 384 kHz
    • DSD: 2.8 / 3.1 / 5.6 / 6.1 / 11.3 / 12.3 MHz (Native DSD256 up to 12.3MHz)
    • DXD: 352.8 / 384 kHz
    • MQA: Full Decoder
  • Frequency response: 20Hz – 70kHz (-3dB)
  • DNR: 108dB(A) / 109dB(A) (BAL / S-BAL)
  • SNR: 132dB(A) / 121dB(A) (BAL / S-BAL)*
  • Additional SNR listing: 114dB(A) / 114dB(A) (BAL / S-BAL)
  • THD+N:
    • Balanced: ≤ 0.0025% (600Ω, 2V) @ (20–20kHz)
    • S-Bal: ≤ 0.009% (16Ω, 1.27V) @ (20–20kHz)
  • Output impedance (4.4mm): < 0.62Ω
  • RMS output power:
    • Balanced: 477mW @ 32Ω; 7.2V @ 600Ω
    • S-Bal: 300mW @ 32Ω; 3.8V @ 600Ω
  • 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)
  • Limited warranty: 12 months
  • In the box:
    • 1x GO bar Kensei
    • 1x USB-C to USB-A Adapter
    • 1x USB-C OTG Cable
    • 1x User Manual

iFi Audio GO bar Kensei Q&A:

What devices can the GO bar Kensei connect to?
It connects to smartphones, tablets, and computers via its USB-C input for plug-and-play hi-res audio.
What headphones work best with it—full-size, IEMs, or both?
Both. Turbo Mode adds +6dB for harder-to-drive headphones, while iEMatch helps tame hiss and optimize output for sensitive IEMs.
Does it support high-resolution audio formats?
Yes—PCM up to 32-bit/384kHz, Native DSD up to DSD256 (12.3MHz), DXD up to 384kHz, and full MQA decoding.
What is K2HD processing and when should it be used?
K2HD is a PCM enhancement mode designed to restore harmonics and realism; it works on PCM files up to 192kHz and is not available for DSD or MQA playback.
What are the digital filters and what do they do?
You can choose Standard, Bit-Perfect, GTO, or Minimum Phase to fine-tune transient feel, tonal character, and perceived detail depending on your music.
What do XBass+ and XSpace do?
XBass+ adds deeper, tighter low-end weight, while XSpace expands the soundstage for a more speaker-like presentation—both done in the analog domain.
What headphone outputs does it have?
It offers a 4.4mm balanced output and a 3.5mm S-Balanced output to cover balanced cables and conventional single-ended headphones.
Does it have a battery?
No—it's powered from the connected USB device, so there’s no internal battery to charge or replace.

Reviews

Line Circle
Product Descriptiondown arrow

Product Description

Line Circle
The iFi Audio GO bar Kensei is a cutting-edge ultraportable DAC featuring K2HD technology, delivering unparalleled audio quality by restoring lost harmonics and enhancing digital recordings. With a compact design and versatile connectivity options, it provides audiophiles with a powerful and immersive listening experience on the go.
Get the Details
Features & Specsdown arrow

Features & Specs Line Circle

K2HD processing for PCM realism
Designed with JVCKENWOOD, K2HD enhances PCM (up to 192kHz) by restoring harmonic richness and improving perceived musical “life,” especially on recordings that can sound sterile or flat.
True hi-res decoding and playback
The GO bar Kensei supports PCM up to 384kHz, Native DSD up to DSD256, DXD up to 384kHz, and performs full MQA decoding, making it a flexible hub for modern streaming and local libraries.
Serious drive in a tiny device
With up to 477mW @ 32Ω from the balanced output (and strong voltage swing for high-impedance loads), it provides confident dynamics and control for many premium over-ear headphones.
Four digital filters to match your music
Switch among Standard, Bit-Perfect, GTO, and Minimum Phase to shape transients, warmth, and clarity—handy for tailoring vocals, jazz, pop, or dense mixes without changing hardware.
Analog XBass+ and XSpace on demand
Add impactful low-end with XBass+ or widen the presentation with XSpace for a more open, speaker-like stage—without resorting to heavy DSP coloration.
Optimized for both IEMs and over-ears
iEMatch reduces hiss and improves usability with sensitive in-ears, while Turbo Mode adds +6dB gain for harder-to-drive headphones, giving you a broad pairing range across multiple collections.
K2HD processing for PCM realism
Designed with JVCKENWOOD, K2HD enhances PCM (up to 192kHz) by restoring harmonic richness and improving perceived musical “life,” especially on recordings that can sound sterile or flat.
True hi-res decoding and playback
The GO bar Kensei supports PCM up to 384kHz, Native DSD up to DSD256, DXD up to 384kHz, and performs full MQA decoding, making it a flexible hub for modern streaming and local libraries.
Serious drive in a tiny device
With up to 477mW @ 32Ω from the balanced output (and strong voltage swing for high-impedance loads), it provides confident dynamics and control for many premium over-ear headphones.
Four digital filters to match your music
Switch among Standard, Bit-Perfect, GTO, and Minimum Phase to shape transients, warmth, and clarity—handy for tailoring vocals, jazz, pop, or dense mixes without changing hardware.
Analog XBass+ and XSpace on demand
Add impactful low-end with XBass+ or widen the presentation with XSpace for a more open, speaker-like stage—without resorting to heavy DSP coloration.
Optimized for both IEMs and over-ears
iEMatch reduces hiss and improves usability with sensitive in-ears, while Turbo Mode adds +6dB gain for harder-to-drive headphones, giving you a broad pairing range across multiple collections.
Expert Insightdown arrow

Expert Insight

Line Circle

The K2HD technology seamlessly restores lost harmonics and revitalizes digital recordings, delivering audio quality that rivals the richness and depth of analog masters.

Expert Img
Dylan Crane
Brand Manager
Detailsdown arrow

Details

Line Circle

iFi Audio GO bar Kensei

iFi audio GO bar Kensei is a premium ultra-portable USB DAC/headphone amp built for serious headphone listening anywhere you use a phone, tablet, or laptop. Crafted from Japanese stainless steel for maximum rigidity, it pairs a 32-bit Cirrus Logic DAC with a 16-core XMOS controller and precision clocking to deliver clean, low-jitter hi-res playback in a pocket-sized form factor. For sound tailoring, it combines four selectable digital filters with iFi’s all-analog XBass+ and XSpace processing—so you can add weight, space, or keep things strictly neutral depending on the track. It’s equally comfortable driving power-hungry full-size headphones or ultra-sensitive IEMs thanks to Turbo gain (+6 dB) and iEMatch, while K2HD processing (PCM up to 192kHz) can restore harmonic richness for a more “master-like” presentation.

The iFi Audio GO Bar Kensei is part of ListenUp's iFi Portable Collection.

What It's Good At:

  • Restoring realism and harmonic richness to PCM music with K2HD processing (up to 192kHz PCM)
  • Driving everything from sensitive IEMs to demanding over-ears with Turbo (+6 dB) and iEMatch
  • Delivering powerful, low-noise output in a tiny form factor (up to 477mW balanced)
  • Customizing sound instantly with four digital filters plus XBass+ and XSpace (analog)
  • Keeping playback pristine with ultra-low jitter clocking and a high-performance XMOS + Cirrus DAC platform
  • Reducing noise/crosstalk and expanding compatibility via 4.4mm balanced and 3.5mm S-Balanced outputs

iFi Audio GO bar Kensei Full Specifications:

  • Product type: Ultra-portable USB DAC & headphone amplifier
  • Chassis/material: Japanese stainless steel
  • DAC chipset: 32-bit Cirrus Logic (Bit-Perfect DSD & DXD DAC)
  • USB interface/controller: 16-core XMOS microcontroller
  • Clocking: GMT (Global Master Timing) precision clock system (ultra-low jitter)
  • K2HD Processing: Yes (effective on PCM ≤ 192kHz; not effective/available on DSD or MQA)
  • Digital filters: Standard, Bit-Perfect, GTO, Minimum Phase
  • Analog processing: XBass+®, XSpace (analog domain)
  • Gain/drive features: iEMatch; Turbo Mode (+6dB)
  • Inputs: USB-C (digital input)
  • Headphone outputs:
    • 1x 4.4mm balanced
    • 1x 3.5mm S-Balanced
  • Formats supported:
    • PCM: 44.1 / 48 / 88.2 / 96 / 176.4 / 192 / 352.8 / 384 kHz
    • DSD: 2.8 / 3.1 / 5.6 / 6.1 / 11.3 / 12.3 MHz (Native DSD256 up to 12.3MHz)
    • DXD: 352.8 / 384 kHz
    • MQA: Full Decoder
  • Frequency response: 20Hz – 70kHz (-3dB)
  • DNR: 108dB(A) / 109dB(A) (BAL / S-BAL)
  • SNR: 132dB(A) / 121dB(A) (BAL / S-BAL)*
  • Additional SNR listing: 114dB(A) / 114dB(A) (BAL / S-BAL)
  • THD+N:
    • Balanced: ≤ 0.0025% (600Ω, 2V) @ (20–20kHz)
    • S-Bal: ≤ 0.009% (16Ω, 1.27V) @ (20–20kHz)
  • Output impedance (4.4mm): < 0.62Ω
  • RMS output power:
    • Balanced: 477mW @ 32Ω; 7.2V @ 600Ω
    • S-Bal: 300mW @ 32Ω; 3.8V @ 600Ω
  • 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)
  • Limited warranty: 12 months
  • In the box:
    • 1x GO bar Kensei
    • 1x USB-C to USB-A Adapter
    • 1x USB-C OTG Cable
    • 1x User Manual

iFi Audio GO bar Kensei Q&A:

What devices can the GO bar Kensei connect to?
It connects to smartphones, tablets, and computers via its USB-C input for plug-and-play hi-res audio.
What headphones work best with it—full-size, IEMs, or both?
Both. Turbo Mode adds +6dB for harder-to-drive headphones, while iEMatch helps tame hiss and optimize output for sensitive IEMs.
Does it support high-resolution audio formats?
Yes—PCM up to 32-bit/384kHz, Native DSD up to DSD256 (12.3MHz), DXD up to 384kHz, and full MQA decoding.
What is K2HD processing and when should it be used?
K2HD is a PCM enhancement mode designed to restore harmonics and realism; it works on PCM files up to 192kHz and is not available for DSD or MQA playback.
What are the digital filters and what do they do?
You can choose Standard, Bit-Perfect, GTO, or Minimum Phase to fine-tune transient feel, tonal character, and perceived detail depending on your music.
What do XBass+ and XSpace do?
XBass+ adds deeper, tighter low-end weight, while XSpace expands the soundstage for a more speaker-like presentation—both done in the analog domain.
What headphone outputs does it have?
It offers a 4.4mm balanced output and a 3.5mm S-Balanced output to cover balanced cables and conventional single-ended headphones.
Does it have a battery?
No—it's powered from the connected USB device, so there’s no internal battery to charge or replace.
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