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iFi Audio GO Bar Premium Pocketsize USB DAC and Headphone Amplifier - Gold Anniversary Edition
Celebrating their 10 year anniversary, iFi released the eye-catching Gold 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
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Technical Specification
- Input: USB C
- Formats:
- 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
- DAC: Bit-Perfect DSD & DXD DAC by Cirrus Logic
- Headphone Output: BAL 4.4mm/UnBAL 3.5mm
- Power Output:
- Balanced: 475mW@32Ω; 7.2V@600Ω
- UnBAL: 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: <0.002% (6.5mW/2.0V @ 600Ω)
- UnBAL: <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: 64g
- Warranty: 1 year
What Is In The Box
- iFi Audio GO Bar Premium Pocketsize USB DAC and Headphone Amplifier - Gold Anniversary Edition
- Leather travel case
- USB Cable
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Manufacture Description
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.
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