CRESCENDO AUDIO | SYMPHONY S1 PLUS | MONOBLOCK AMPLIFIER

This little amp is a beast sounds great on my 2 10s in my Sierra

This was my first purchase from not only this website but also Crescendo. I am running a single 15 dual 2 ohm American Bass XFL and was powering it via a SIA 3500 and even though this amp is rated at less the difference is very noticeable. It's not only louder but the clarity difference is enough by itself to thoroughly impress. Idk if it's the Korean vs Chinese components or what but I am very pleased with this purchase.If you never have tried either company and are on the fence I'll say with a totally non-biased opinion "don't hesitate" both d4s and crescendo have a new loyal customer here. Hat's off to the both of y'all.

This amp is NASTY, what a beast! Make sure you have the power to run it. Have it paired with a Sundown x12 v.3 and it just crushes the lows. Sounds really good overall. D4S coming in clutch as always, bought from another site since they were having a sale and regretted that. Took them two weeks to even ship it so I came here and bought from these guys. Bought it Thursday evening and received it Saturday evening. Turned a bad week into a good week, I really appreciate it guys!!! Never gonna shop anywhere else.

Currently have 2 sundowns sa v2 d2s at 2ohms make them slamm will update for longevity

By far the best amplifier I have ever purchased. And I've purchased quite a few different brands. This amplifier is a beast. 5 star all the way.

Well I must admit this amp brings the power. Have it driving a single 12in Skar VXF and it pounds. I was looking for the Orion XTR 2500 dz but they are like finding a needle in a hay stack but I am happy with this amp. Great job D4S for the fast shipping along with the free items. This is my first purchase but will not be my last

Best amp I have bought does it's job great.

Just recieved this beautiful amp fast shipping by the way.in a few days I'll install it this amp will power 2 12s ssa icons

I just installed this little beast of an amp. First impressions are it is a monster for its size and the sound quality is an improvement over the skar skv2 1500 it replaced running a single vxf12 d2. The skv2 sounded really good in my opinion but this amp is just cleaner and obviously hits harder given its 2500 watts. Longevity is not known at this time . I will come back and update with any issues if there are some. I definitely recommend this amp as well as down4sound had this thing shipped and to my door incredibly fast. I will be doing business with these guys for all my audio needs in the future.

Wanted the Orion HCCA 3000.1 but impossible to get right now, this amp is a very nice quality and powerful amp. One thing I don’t like is minimum and maximum are in wrong location on bass knob, don’t know if that is a joke or something but nonetheless, this is very good quality amp and small for the power it puts out.