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Originally Posted by jaredtkatz /img/forum/go_quote.gif
thanks. so within a reasonable budget / using what I already own, what would be the optimal setup for my W3 as a portable rig and an at home rig? Would the W3s sound better through the D2 as a DAC via my laptop, or through my iphone as an LOD? thanks again HeadphoneAddict, you've been surprisingly helpful (i mean that in a positive way)
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I think the main advantage of the D2 Boa is it's very detailed DAC, while the amp section is not quite as good as the DAC section. The amp is not bad, but it's bass is not quite as tight as the D3 Python's amp, the mids are not quite as full as the D3, and D2 Boa has a slight upper bass/low midrange coloration to female vocals at times. Some phones with the D2 Boa will sound like a little bit of "smiley-face" frequency response (upturned bass/treble w/ recessed mids), which is good for low volumes but can make the mids feel a little sucked out at higher volumes.
As a source, the iPhone 3G line out dock with a good cable will be slightly less detailed and spacious than the D2 Boa USB DAC, but it will be close to enough to enjoy as much if you get a decent LOD (PM barqy or stevenkelby or highflyin9 about building a mid-level LOD for iPhone). The one thing you have to watch out for is the iPhone buzz that plagues most iBasso amps, and you'll need a RFI blocker from
Quick Bridge Solutions - EM Shield for iPhone to put between the iPhone and D2 Boa if you want to stack and use them without turning on airplane mode.
See my public profile "about me" for links to my reviews, and check them out as I have reviewed many portable amps and DACs - just copy and paste a link that looks helpful, and start with the big USB DAC amp review that I just updated about 4 weeks ago.
Also, see Skylab's big portable headphone amp review (search) in which he has reviewed the D2 Boa and D3 Python that I sent to him in January.