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I recently had been in the market for a DSP, and ran across this pice of equipment.  The PPI DSP-88r and some input from fellow car audio nuts. Is it worth the $209 bucks. Pros. And cons. Thanks in advance

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I like it a lot, seems well worth the $209 price tag. People claim zero noise, which is a key point for a DSP IMO. 

Remote control unit is also very useful. It also has optical in. 

Found it for $175 on ebay. Damn, makes me mad I bought an Audison Bit Ten and I've just sent the second DRC in for warranty...

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I'm using two of the Soundstream Harmony DSP's which are the exact same unit but with the Soundstream badge on them. 

I personally love them. Though they lack a few features found in more powerful DSP's such as the miniDSP, but they're super user friendly, noise free and are a great first step into the realm of digital signal processors IMHO. 

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Thanks guys for the feed back . I m going to hit Ebay and pick one up, 

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On 5/24/2016 at 10:43 AM, altoncustomtech said:

I'm using two of the Soundstream Harmony DSP's which are the exact same unit but with the Soundstream badge on them. 

I personally love them. Though they lack a few features found in more powerful DSP's such as the miniDSP, but they're super user friendly, noise free and are a great first step into the realm of digital signal processors IMHO. 

 

The miniDSP is powerful but for me it did not work. Way too noisy, I ended up with all sorts of crazy attempts to fix noise. Now, they have a 2x8 for in-car installations, which I'm pretty sure has repaired the noise issues

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using two 2x4 minidsp is also a bit annoying to tune when your switching between units. no noise issues if you use the dc isolator for me. 

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All 6 of mine are dead quiet and i am picky...

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The RF360.3 is a nice mid way option between the lesser expensive models and the Mosconi's for example.

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16 hours ago, ///M5 said:

All 6 of mine are dead quiet and i am picky...

I've had nothing but noise out of my MiniDSP

5 hours ago, Aaron Clinton said:

The RF360.3 is a nice mid way option between the lesser expensive models and the Mosconi's for example.

I switched from the MiniDSP and can say that I am absolutely satisfied with it. it's not quite as easy to use as the MiniDSP but it has a lot more features.

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On 6/10/2016 at 5:05 PM, Julian said:

I've had nothing but noise out of my MiniDSP

I switched from the MiniDSP and can say that I am absolutely satisfied with it. it's not quite as easy to use as the MiniDSP but it has a lot more features.

What is it that you couldnt do with a biquad??

Did you test your minidsp out f your car?  ....they arent noisy

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11 hours ago, ///M5 said:

What is it that you couldnt do with a biquad??

Did you test your minidsp out f your car?  ....they arent noisy

 

Correct, I pulled the Mini DSP out and got a noticeable whine out of it, I tried even tried running it off of the USB power and it still put out noise. Not sure what happened because it just started happening after a few months of use.

 

Sorry to clarify

 

MiniDSP = very easy to use with every feature you need outside of more than 4 output channels.

360.3 = insane amount of features and a bit more complicated to use and takes some more time to figure out. 

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Still curious on the sonic features the 360 has the mini doesn't....my impression is the opposite but i havent spent that much time with a 360

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9 hours ago, ///M5 said:

Still curious on the sonic features the 360 has the mini doesn't....my impression is the opposite but i havent spent that much time with a 360

Audio wise you're correct outside of 4 channels vs 8, although I wasn't solely speaking about the audio features more of the other features it possess.

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Absolutely no noise with my mini dsp 2x4 so far. 

I use the DC isolator. 

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like bluetooth and other stuff? lol .. I'm assuming thats where you're going with that

On 6/13/2016 at 2:33 AM, Julian said:

Audio wise you're correct outside of 4 channels vs 8, although I wasn't solely speaking about the audio features more of the other features it possess.

 

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On 6/13/2016 at 1:33 AM, Julian said:

Audio wise you're correct outside of 4 channels vs 8, although I wasn't solely speaking about the audio features more of the other features it possess.

Exactly what I am asking.  What features does it have that are useful?

The 360.2 I had was super noisy and basically useless compared to a miniDSP.  So much so I haven't considered one for anything and would generally have people run from it.  I'd like to be educated if that isn't the case. :)

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4 hours ago, Shogen said:

like bluetooth and other stuff? lol .. I'm assuming thats where you're going with that

 

 

Short list, 

 

wired remote includes 2 assignable controls for master volume, sub level, or bass boost, and switches to select between 4 sources and 3 EQ presets
inputs: 8 RCA preamp, 8 speaker-level, L/R auxiliary RCA, 1 optical TOSLINK (S/PDIF), and Bluetooth device
Bluetooth, optical in, 

remote amp turn-on with selectable delay times (1, 2, 4, or 8 seconds)

8 preamp outputs (up to 8 volts)

2 channel Aux input

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Ah, ok so nothing useful except multi source which for me is pointless as well.  Thank you.

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On 6/12/2016 at 9:52 AM, ///M5 said:

What is it that you couldnt do with a biquad??

Did you test your minidsp out f your car?  ....they arent noisy

 

They are not noisy themselves but they lack the noise rejection circuitry which "in-a-box" DSPs have.

With the Pioneer fix on one of the amps, isolated DC supply for the phone and for the miniDSP and it still had some noise. 

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