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Installed a Nexus 7 2013 into my Altima, having lackluster audio with a FiiO E7 USB DAC

post #1 of 6
Thread Starter 

Recently installed a Nexus 7 2013 into my Altima and everything is working pretty much spot on... except the audio. Before the tablet I had a Kenwood DDX418 which had it's own amp/EQ and the audio sounded much, much better than my current setup. Which minus the EQ, should be better on paper. Setup is as follows:

 

Nexus 7 2013 > OTG Cable > FiiO E7 USB DAC > Alpine 300W Amplifer > Speakers

 

The audio clarity is there, but the bass is absolutely abysmal. On my previous setup the bass was actually pretty good considering I was lacking a subwoofer. But now it feels really muted and really doesn't have the same depth it had before. Is my DAC of choice not very good? I've been thinking about picking up an equalizer but if the DAC is flattening the audio, can the EQ really remedy that? Pretty new to the audio world and I've for the most part figured out my way thus far, but this has me stumped. I was thinking about picking up this EQ in hopes to restore my bass to what it was. 

 

http://www.amazon.com/gp/product/B000EZV3T8/ref=s9_simh_gw_p422_d1_i1?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=center-2&pf_rd_r=1V02ZERFZY9B5X3K8J04&pf_rd_t=101&pf_rd_p=1688200382&pf_rd_i=507846

 

Thanks for any help you can provide.

post #2 of 6
Why do you need to buy an EQ? Poweramp has a 10 band graphic EQ. Neutron music player has multiple PEQ that you can implement. Download them and give them a shot smily_headphones1.gif

Also, the E7 is a $70 portable headphone amp/dac. Very well could be that much more expensive Kenwood receiver you had would have a better DAC and pre-amp output.
post #3 of 6
Thread Starter 
I figure an EQ after the DAC might fix the flat bass issue I'm running into. I'm using viper right now as a software EQ but I'm not sure it's helping. The audio is clearer but the bass... Underwhelming. Do I need a better USB DAC perhaps?

Thanks for the input.
post #4 of 6
Sorry. I don't know anything about Viper. Perhaps it is part of the problem? Neutron is generally considered the best sounding Android music player because of its 32 bit audio processing, and PEQ--if you know how to use it--better than graphical EQ for tweaking the frequency response.

You could always buy an ODAC. That's considered one of the best DACs for under $200.
post #5 of 6
Thread Starter 

I'll look into it. Viper is a pretty highly rated EQ that goes pretty deep with it's changes. Requires root and all that. I'll check out the ones you mentioned, maybe I'm missing something. 

 

I'm definitely curious about that ODAC. I really just get the vibe that this DAC just isn't pushing a clean untouched line to the amplifier and is making a mess of things in transit. But again, I have no idea. Going to create a unique House EQ and test out a few major songs and see how they pan out.

post #6 of 6
Google the ODAC (or Objective 2 DAC) and you'll find extensive measurements for it.

It's always possible the Kenwood was not accurate, but was in fact boosting bass slightly somehow smily_headphones1.gif
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