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Product Description

Line Circle
o celebrate our 10th anniversary, we’ve created an eye-catching special edition of the GO bar. Limited to 1000 pieces, the 10th Anniversary Limited Edition GO bar is smothered in show stopping gold-plate and boasts:

Features & Specs Line Circle

OUTPUTS
Premium USB DAC. World’s most powerful headphone amp of its size.
INPUTS
Balanced 4.4mm, S-Bal 3.5mm
DIGITAL TO ANALOGUE CONVERTER
Bit-Perfect DSD & DXD DAC by Cirrus Logic
FREQUENCY RESPONSE
20Hz - 45kHz (-3dB)
OUTPUTS
Balanced: 132dBA,
UnBal: 108dBA
FORMATS
MP3 to DSD256, PCM384 and DXD384.
OUTPUTS
Premium USB DAC. World’s most powerful headphone amp of its size.
INPUTS
Balanced 4.4mm, S-Bal 3.5mm
DIGITAL TO ANALOGUE CONVERTER
Bit-Perfect DSD & DXD DAC by Cirrus Logic
FREQUENCY RESPONSE
20Hz - 45kHz (-3dB)
OUTPUTS
Balanced: 132dBA,
UnBal: 108dBA
FORMATS
MP3 to DSD256, PCM384 and DXD384.

Expert Insight

Line Circle

A Golden Sound & Power To Spare

Expert Img
Forbes
Magazine

Details

Line Circle

Birthday bling!

To celebrate our 10th anniversary, we’ve created an eye-catching special edition of the GO bar.

Limited to 1000 pieces, the 10th Anniversary Limited Edition GO bar is smothered in show stopping gold-plate and boasts:

  • A copper chassis for enhanced build quality and shielding
  • Enhanced power supply filtering
  • A weight of 64g, 40g more than the original

The GO bar 10th Anniversary Limited Edition is truly the ‘gold standard’ among ultraportable USB DAC/headphone amps. 

Once it’s GOne, it’s GOne! 

Best bar none

The GO bar is our top-of-the-line ultraportable USB DAC/headphone amp.

Whether you are commuting, working remotely or at your desk or simply travelling for pleasure, the GO bar is the perfectly portable way to make headphones sound heavenly.

Connect to your laptop, MacBook, tablet or smartphone or any other digital device with a USB port for sensational sound at home, in the office, or on the move.

Accessories include a leather travel case and a Lightening to USB-C, no need to buy a Camera Connection Kit, plus a USB-C OTG cable and a USB-C to USB-A adapter.

Small. But mighty.

The DAC section of the GO bar 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 GO bar‘s 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.

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

Four bespoke digital filtering options:

  • no digital filtering, no pre or post ringing​
  • modest filtering, modest pre and posting ringing​
  • Minimum Phase​ – slow roll-off, minimum pre and post ringing​
  • Gibbs Transient Optimised – minimum filtering, no pre-ringing and minimum post ringing​

​Two analogue processing modes:

  • XBass+  – an analogue bass boost to ‘add back’ lost bass response for more accurate reproduction of the original
  • XSpace  – a holographic sound field to open up your music to give you the spaciousness of a live concert

External affairs

The GO bar’s smart alloy case sports physical buttons for precise volume adjustment plus controls to select between various sonic tuning options. A column of coloured LEDs provides a handy guide to the format and sample rate of the digital audio currently playing, and whether XBass+ and/or XSpace are engaged.

At one end is an asynchronous USB-C input and at the other a pair of headphone outputs.

  • 4.4mm fully balanced output – headphones with a balanced cable/connector can benefit from the fully balanced circuitry of the GO bar
  • 3.5mm S-Balanced output – our S-Balanced tech cuts crosstalk and noise by 50% with regular single-ended headphones.
Balance of power

Despite its diminutive size, the GO bar’s analogue circuitry sports a balanced circuit design with symmetrical twin-channel output stage. This reduces noise and crosstalk in the signal path by fully separating the left and right channels. This is usually found in larger and more expensive amplifiers.

The circuitry is packed full of high quality discrete components and special attention has been paid to power supply filtering too, dramatically reducing signal noise introduced through the USB input.

Purity and power

The amp’s design combines sonic purity with power.

  • 475mW into 32 ohms​
  • 7.5V into 600 ohms

​No headphone amp of such a diminutive size can match the GO bar’s ability to drive tricky headphone loads or work with a wider variety of headphones.

The GO bar also incorporates two power tuning technologies:

  • iEMatch – attenuates power to suit high-sensitivity headphones and IEMs, it removes background noise and increases usable volume range
  • Turbo – ramps up the gain by 6dB to satisfy more power-hungry headphones

*Please note that the GO bar may not work with iPhones up to and including 6S when the phone battery is low (<30%).

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.

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

MQA (Master Quality Authenticated)

MQA is an award-winning British technology that delivers the sound of the original master recording. The master MQA file is fully authenticated and is small enough to stream or download. The GO bar adopts MQA technology to receive and decode MQA audio and provide master-level sound.

Reviews

Line Circle
Customer Reviews
5.0 Based on 2 Reviews
5 ★
100% 
2
4 ★
0% 
0
3 ★
0% 
0
2 ★
0% 
0
1 ★
0% 
0
Write a Review

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
DV
03/09/2023
Daniel V.
United States United States

Best dongle based DAC/amp on the planet, period.

I was blown away by the resolution of this dongle DAC/amp. Ive tried the 3 Dragonfly USB DACs (black,red,cobalt), Astell&Kern HC series, ddhifi dongles, and the Luxury & Precision W2. This little Gold bar outresolves them all, even the first generation Chord Mojo. We’ve come far if this much sound can be in something as small as the Go Bar. Just like in the description, this IS the most powerful pocketable DAC/amp or dongle. I would say this is a neutral DAC, easily reveals every flaw in the recording. Soundstage is more spacious than the previous mentioned DAC/amps but not too spacious, just right.

TK
06/15/2022
Tae K.
United States United States

ASSUME!

Better than HUD100, MOJO1, and L&P W2-131 that I have. Sometimes better than iFI Zen SIgnature DAC & CAN Combo on some pairs.

Product Descriptiondown arrow

Product Description

Line Circle
o celebrate our 10th anniversary, we’ve created an eye-catching special edition of the GO bar. Limited to 1000 pieces, the 10th Anniversary Limited Edition GO bar is smothered in show stopping gold-plate and boasts:
Features & Specsdown arrow

Features & Specs Line Circle

OUTPUTS
Premium USB DAC. World’s most powerful headphone amp of its size.
INPUTS
Balanced 4.4mm, S-Bal 3.5mm
DIGITAL TO ANALOGUE CONVERTER
Bit-Perfect DSD & DXD DAC by Cirrus Logic
FREQUENCY RESPONSE
20Hz - 45kHz (-3dB)
OUTPUTS
Balanced: 132dBA,
UnBal: 108dBA
FORMATS
MP3 to DSD256, PCM384 and DXD384.
OUTPUTS
Premium USB DAC. World’s most powerful headphone amp of its size.
INPUTS
Balanced 4.4mm, S-Bal 3.5mm
DIGITAL TO ANALOGUE CONVERTER
Bit-Perfect DSD & DXD DAC by Cirrus Logic
FREQUENCY RESPONSE
20Hz - 45kHz (-3dB)
OUTPUTS
Balanced: 132dBA,
UnBal: 108dBA
FORMATS
MP3 to DSD256, PCM384 and DXD384.
Expert Insightdown arrow

Expert Insight

Line Circle

A Golden Sound & Power To Spare

Expert Img
Forbes
Magazine
Detailsdown arrow

Details

Line Circle

Birthday bling!

To celebrate our 10th anniversary, we’ve created an eye-catching special edition of the GO bar.

Limited to 1000 pieces, the 10th Anniversary Limited Edition GO bar is smothered in show stopping gold-plate and boasts:

  • A copper chassis for enhanced build quality and shielding
  • Enhanced power supply filtering
  • A weight of 64g, 40g more than the original

The GO bar 10th Anniversary Limited Edition is truly the ‘gold standard’ among ultraportable USB DAC/headphone amps. 

Once it’s GOne, it’s GOne! 

Best bar none

The GO bar is our top-of-the-line ultraportable USB DAC/headphone amp.

Whether you are commuting, working remotely or at your desk or simply travelling for pleasure, the GO bar is the perfectly portable way to make headphones sound heavenly.

Connect to your laptop, MacBook, tablet or smartphone or any other digital device with a USB port for sensational sound at home, in the office, or on the move.

Accessories include a leather travel case and a Lightening to USB-C, no need to buy a Camera Connection Kit, plus a USB-C OTG cable and a USB-C to USB-A adapter.

Small. But mighty.

The DAC section of the GO bar 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 GO bar‘s 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.

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

Four bespoke digital filtering options:

  • no digital filtering, no pre or post ringing​
  • modest filtering, modest pre and posting ringing​
  • Minimum Phase​ – slow roll-off, minimum pre and post ringing​
  • Gibbs Transient Optimised – minimum filtering, no pre-ringing and minimum post ringing​

​Two analogue processing modes:

  • XBass+  – an analogue bass boost to ‘add back’ lost bass response for more accurate reproduction of the original
  • XSpace  – a holographic sound field to open up your music to give you the spaciousness of a live concert

External affairs

The GO bar’s smart alloy case sports physical buttons for precise volume adjustment plus controls to select between various sonic tuning options. A column of coloured LEDs provides a handy guide to the format and sample rate of the digital audio currently playing, and whether XBass+ and/or XSpace are engaged.

At one end is an asynchronous USB-C input and at the other a pair of headphone outputs.

  • 4.4mm fully balanced output – headphones with a balanced cable/connector can benefit from the fully balanced circuitry of the GO bar
  • 3.5mm S-Balanced output – our S-Balanced tech cuts crosstalk and noise by 50% with regular single-ended headphones.
Balance of power

Despite its diminutive size, the GO bar’s analogue circuitry sports a balanced circuit design with symmetrical twin-channel output stage. This reduces noise and crosstalk in the signal path by fully separating the left and right channels. This is usually found in larger and more expensive amplifiers.

The circuitry is packed full of high quality discrete components and special attention has been paid to power supply filtering too, dramatically reducing signal noise introduced through the USB input.

Purity and power

The amp’s design combines sonic purity with power.

  • 475mW into 32 ohms​
  • 7.5V into 600 ohms

​No headphone amp of such a diminutive size can match the GO bar’s ability to drive tricky headphone loads or work with a wider variety of headphones.

The GO bar also incorporates two power tuning technologies:

  • iEMatch – attenuates power to suit high-sensitivity headphones and IEMs, it removes background noise and increases usable volume range
  • Turbo – ramps up the gain by 6dB to satisfy more power-hungry headphones

*Please note that the GO bar may not work with iPhones up to and including 6S when the phone battery is low (<30%).

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.

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

MQA (Master Quality Authenticated)

MQA is an award-winning British technology that delivers the sound of the original master recording. The master MQA file is fully authenticated and is small enough to stream or download. The GO bar adopts MQA technology to receive and decode MQA audio and provide master-level sound.

Reviewsdown arrow

Reviews

Line Circle
Customer Reviews
5.0 Based on 2 Reviews
5 ★
100% 
2
4 ★
0% 
0
3 ★
0% 
0
2 ★
0% 
0
1 ★
0% 
0
Write a Review

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
DV
03/09/2023
Daniel V.
United States United States

Best dongle based DAC/amp on the planet, period.

I was blown away by the resolution of this dongle DAC/amp. Ive tried the 3 Dragonfly USB DACs (black,red,cobalt), Astell&Kern HC series, ddhifi dongles, and the Luxury & Precision W2. This little Gold bar outresolves them all, even the first generation Chord Mojo. We’ve come far if this much sound can be in something as small as the Go Bar. Just like in the description, this IS the most powerful pocketable DAC/amp or dongle. I would say this is a neutral DAC, easily reveals every flaw in the recording. Soundstage is more spacious than the previous mentioned DAC/amps but not too spacious, just right.

TK
06/15/2022
Tae K.
United States United States

ASSUME!

Better than HUD100, MOJO1, and L&P W2-131 that I have. Sometimes better than iFI Zen SIgnature DAC & CAN Combo on some pairs.

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