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iFi Audio GO Bar USB DAC & Headphone Amplifier - Customer Returned
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iFi Audio GO Bar USB DAC & Headphone Amplifier - Customer Returned

£260.00    
£216.67 Exc. VAT |  
  

|

 

iFi Audio GO Bar USB DAC & Headphone Amplifier - Customer Return.

Please note in order for this DAC to play MQA files correctly you must use ASIO driver available from the iFI website. Slightly tatty box. Tested OK.

 

Go, Go, GO!

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

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%).

 

Input   USB C
Formats PCM
DSD
DXD
MQA
44.1/48/88.2/96/176.4/192/35
2.8/384kHz 2.8/3.1/5.6/6.1/11.3/12.3MHz
352.8/384kHz
Full Decoder
DAC   Bit-Perfect DSD & DXD DAC by Cirrus Logic
Headphone Output   BAL 4.4mm/UnBAL 3.5mm
Power Output Balanced
UnBAL
475mW@32Ω; 7.2V@600Ω
300mW@32Ω; 3.8V@600Ω
Output Impedance   <1Ω (BAL/UnBAL)*
SNR   132dBA / 108dBA (BAL/UnBAL)
DNR   109dB(A) / 108dB(A) (BAL/UnBAL
THD + N Balanced
UnBAL
<0.002% (6.5mW/2.0V @ 600Ω)
<0.09% (100mW/1.27V @ 16Ω)
Frequency Response   20Hz - 45kHz (-3dB)
Power Consumption   <4W max.
Dimensions   65 x 22 x 13.2 mm (2.6" x 0.9" x 0.5”)
Weight   28.5g (1.0 oz)
Warranty period   12 months

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