But it offers an unbeatable spatial reconstruction – and no features whatsoever.
#IFI GO BAR REVIEW DRIVERS#
Alberto also threw the Apogee Groove into the mix, which only works with single dynamic drivers and essentially not with phones.
#IFI GO BAR REVIEW PORTABLE#
Also different is the operation: the Go bar bypasses the phone/computers internal volume control completely…it is handled entirely by its buttons.īoth Go bar and M15 are less portable than the DragonFly Cobalt. The biggest difference between the two are the features: Go Bar has XBass, Space, and selectable digital filters – but the M15 has a more effective power management (less battery drain) and works better with iPhone. I’d assign the Go Bar a marginally better articulation/accentuation, and the M15 a more organic presentation, although both come really close in terms of sound quality. The M15 has its tonal emphasis in the midrange, the Go bar more in the lower frequencies. In terms of design, the M15 features 2 standard ESS SoCs with two of Questyle’s own Current Mode Amplification modules. It cannot reach the Go bar in terms of its superb build and haptic, or in the quality of the included cables. It also features 3.5 mm single-ended and 4.4 mm balanced circuits. Check out Alberto’s detailed description of IEMatch in his Go bar review as well as his article dedicated to this tech feature. It removes hiss from very sensitive iems, for example the 16 ohm Dunu Zen. IEMatch is an extremely useful tool for low-impedance iems in that it increases output impedance done by resistors dampening the amplifier. In some aspects, the Go bar is the most complete dongle on the market as it has functionality no competitor offers: IEMatch, S-balanced, XBass, and XSpace. This is a tricky topic and you are advised to rely on your ears. Post ringing is actually a normal artifact of human hearing, pre ringing is not.
Ringing relates to an unwanted echo effect before (pre-) and after (post-) a note.
BP’ (Cyan): Bit-Perfect: no digital filtering, no pre or post ringing.There are 4 different digital filter options available to minimize unwanted sonic artifacts: It features a precision clock to minimize jitter. The Go bar features a 16-core XMOS micro controller with proprietary firmware to optimize the analog output quality through synergy with the Cirrus DAC. Try using mainly this one, that’s where the Go bar’s value is. Although the 3.5 mm is S-balanced, the true 4.4 mm balanced circuit has better generally better specs and is more powerful. How does the Go bar fare in the wide field of applications I’d like to use it for?Īs to the Go bar’s “standard staples”: it features two circuits, a single-ended 3.5 mm one, and the ever emerging balanced with 4.4 mm socket. What is most important to me is functionality, especially when it comes to miniature devices. After all any review is to a large extent subjective. I therefore would like to add and give my 5 cents where we differ – and possibly simplify some details. This has its pros and cons as will be discussed below.Īlberto has already taken apart the Go bar’s technical and functional aspects in very great detail. It draws its current from its source, that is a phone/tablet or a computer. In contrast, the Go bar is a small device as it does not contain a battery. It is reasonably powerful and can drive headphones up to 300 ohm easily. The nano BL is a rather blocky device with limited portability, it is rather transportable. It is still my standard for headphone measurements. The nano BL is a microcosm of what ifi Audio stands for: classic shape, integrated IE Match, house sound. It was a safe buy as it had won quite a few awards – and it is still available. My first portable DAC/amp was (and still is) the ifi Audio iDSD nano Black Labe l ( which I treated in my hip-dac review).
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