Feature:
While the unit can be battery-operated (4-AA cells), an AC power supply is included with it.
The best features are the modFX and delays.
It also includes an on/off switch.
What it lacks, IMO, is a good stereo output. Instead of using two 1/4" TS jacks for separate L/R signals, this uses a single 1/4" TRS output jack.
I also wish the unit had put the reverse delay and tape echo functions in the delay/reverb cluster of FX. Instead, Zoom put them with the modulation FX (chorus/phaser/flanger/tremolo) so one cannot use phaser or flanger with reverse delay--so much for my using this for a rendition of "Rain"
Quality:
This is very solidly built. The four adjustment knobs are sturdy, not loose. The two footswitches are solid on/off types like you would find on an old-fashioned stomp box--not lightweight solenoid type switches.
While I have not owned this long enough to tell how it will work in the long run, several friends have been using the Zoom 505 and 504 boxes for over 6 years now with little sign of wear. If this lasts half that long it will be worth it.
Value:
Even though this has a ton of features I'll probably never need or use, it is worth the price for the features I will be using. It has the most features compared with any other product in its price range, or even double it's price.
Desirability:
While this is definitely a great piece of equipment and I don't regret this purchase, I could not give this a 10 simply because of what it lacks in features. Yes, if I had to do it over again, I'd still pick this unit; but if it had dual 1/4" outputs and reverse delay in the proper FX cluster with the other delay FX, this would rank a solid 10 with me.
Sound:
While this offers modeling choices for 11 different acoustic guitar models, I've found this excels at bringing out the best in the acoustic-electric plugged into it.
While it comes with a noise reduction feature built in, I have found it to be virtually noiseless without even turning the noise reduction on.
The 6-band EQ option really helps to scoop out the midrange to eliminate piezo "quack."
Ease of Use:
This is very easy to use. The interface is not completely intuitive, but the instruction manual is clearly written and five minuts spent reading it is sufficient. I was able to edit and store 20 user-edited patches in less than an hour. And about 10 minutes of that hour was spent in tweaking the EQ to get it to sound the way I wanted. After that it was a snap.
Support:
I'd have to say I have no experience with their customer service but I've never had a problem where I've had to deal with them.
Overall:
I really don't anticipate buying another FX box for a long time. I will make do with this one since it still does a lot of things that I need. If it were lost or stolen I would definitely replace it with another A2.
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