iFi GO Bar Portable DAC & Headphone Amplifier

iFi Audio
1 In stock
DAC & Headphone Amp
$329.00
Small. But mighty. The DAC section of the GO bar uses a powerful 16-core XMOS microcontroller to process the audio data received at the USB input. iFi's in-house team has programmed the XMOS firmware to optimize sound quality and ensure a perfect partnership with the GO bar‘s 32-bit Cirrus Logic DAC chipset. A customized digital...
$329.00

Small. But mighty.

The DAC section of the GO bar uses a powerful 16-core XMOS microcontroller to process the audio data received at the USB input. iFi's in-house team has programmed the XMOS firmware to optimize sound quality and ensure a perfect partnership with the GO bar‘s 32-bit Cirrus Logic DAC chipset.

A customized digital filter minimizes pre-echoes and ringing artifacts. The 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 colored 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 – the S-Balanced tech cuts crosstalk and noise by 50% with regular single-ended headphones.

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%).

Technical Specs

Input USB C
Formats PCM
DSD
DXD
MQA
44.1/48/88.2/96/176.4/192/352.8/384kHz
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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