NVX JAD800.4

Running Infinity Kappa 692.9I's and Infinity Kappa 60.9cs's off this amp and MAN, they sound awesome. No sub yet, but people ask me what kind of subwoofer I have running. This thing never overheats, and the lit logo looks awseome. HIGHLY recommend this item.

Bought this amp for my DLS Reference R6A and a pair of DLS R6A midbass drivers. Had been sounding very impressive for a week before went dead. Shipping back costs half of its price. Had to repair it in Moscow as was agreed with NVX and Sonic people. Got a nice and useful gift from NVX for this. Now can enjoy plenty of dB in good quality. Strongly recommend this amp as well as other NVX products.

OK, in the never ending quest to get a clean 400w+ to ea REV10, i bought a NVX 800.4 for $225 shipped, to replace my Fosgate T600-4 I had powering them. I bought the Sonic Electronix 3yr service plan on it for an extra $25, i knew I'd be putting it thru its paces. I wanted more power to the Rev10s, but also wanted to do it more efficiently in the Class D, and also run cooler. Temps here are 110+ every summer, so you are at a disadvantage running ABs, eventually they will cut out on you when you push them hard.



Initial impressions: its a small amp which is great. I can easily fit 2 of them where my single T600-4 used to be. Makes me wanna get another set of Rev10s just because the amp would fit so nicely in there.



Performance: It IS better than the T600-4. I am happy, its good quality power. Sounds clean and it is an imporvement over what I had. Dont use the high pass filter, run it full range(i also installed the Exile ZLD ( ), the ZLD may also be influincing my tower zone music quality some). If I had to guess, its around 320w at 12.5v ish and right at 410w at 14.4v. With 3 25A fuses 12vx75 divided by 80% efficient = is where I am getting these guesses on power ratings from. It does come with 4ga power inputs with a 1/0 ga adapter... I ran a real thick 4ga, more comparable to 2-3ga to power it. My 4ga would not fit into their 4ga inputs so I used the 1/0 adapter. Sturdy gear, does not feel cheaply made. Terminals are strong, well made. No hiss, or anything like that. I have my gains set at about between 4 of 10.



sidenote: f'n get your wiring diagram correct NVX! Bridged x 2 is the OUTER 2 speaker terminals for front and rear, not the inner 2. lost me 20 mins and 2 pounds of sweat in a full planking contorsionist position pulling the amp back off and rewiring it again and putting it back in there. if their directions were right I wouldnt have had to do that.



sidenote: the NVX DOES get hot. supposedly with the Class D, they are supposed to run much cooler, not the case here. It gets warm and stays warm just powering it up and light music. I ran it hard for about 5 mins (100degs outside), and was warm/hot to the touch. Not so hot you couldnt hold your hand on it, but it did suprise me it was hot. Never went into protect mode or anything. My 2500w Re Class D sub amp wired at 1 ohm stays ambient temps pretty much unless you was doing hairtricks with it, and was hoping for that. I ran it for about 2hrs at medium party cove volume, it did well. impied in this is if you install, use some spacers to get it off the carpeted amp board some so it can breath.



So all in all, I'd say its a great buy for $225. Could you find a better amp to deliver a little more power 400-500w range? Yes, but most of those are in the $500+ range. they pair nicely with the Rev10s and would suffice for 90%+ of folks at a huge discount compared to the other 400x2 class D's. It def got warm, but never cut out and I run my gear hard. I will repost if I ever get it to cut out this summer.

I purchased the JAD800.4 along with a JAD1200.1 to power my Infinity Kappa speakers and MB Quart subs. My first choice was the Infinity Kappa Five amp, but I had problems with two of them and was given a store credit. Second time around I decided to go with two amps (4/1channel) hoping for better performance / reliability.

I read a lot of mixed reviews on Class D amplifiers. Many people think that A/B has better sound quality, while others prefer the small footprint, high power / low heat output of Class D. Being an engineer I reviewed the specs and was very impressed with the signal to noise as well as the THD compared to Class A/B.

NVX is a relatively new brand so I turned to Google and found several good reviews. I was looking at the Polk amps and NVX seems to be very similar, with the controls panels and specs being almost identical (and NVX was in stock).

Out of the box the amps had a solid feel and clean look. They have a soft-start feature that powers them up a few seconds after they get power. This gives you time to start your engine without drawing any current. Very nice.

The sound quality is excellent - better than other A/B amps I had in the past. More than enough power - I haven't even cranked them all the way up yet and don't think I'll ever have to.

I have a second MB Quart 10 RLP on back order because with one sub I was getting distortion before I could feel the bass. It turns out that the Infinity Kappa Five amp was the weak link. The JAD 1200.1 pushes one sub very well.

The only negative I have to say about these amps is that the adjustment dials take a philips screwdriver, and they do not have an arrow or line showing you what it is set to. This made it a little inconvenient to tweak the crossover points.

this new line of amp is great quality.The only thing this 4 channel doesnt have an RCA output. I usually buy kickers amp, but I wanted to try this new amp line. Its worth the money and the amp takes up almost 50% space. Get it you wont be disappointed.....

Class D Monoblock Amplifier with Bass Remote • 4 ohms: 500 watts x 1 chan. • 2 ohms: 800 watts x 1 chan. • 1 ohm: 1200 watts x 1 chan. • Power and Ground Gauge Adapter Included • Wired Remote Bass Level Control Included

Class D 5-Channel Amplifier with Bass Remote • 4 ohms: 70 watts x 4 chan. + 210 x 1 chan. • 2 ohms: 105 watts x 4 chan. + 380 x 1 chan. • Bridged, 4 ohms: 210 watts x 2 chan. + 380 x 1 chan. • 5/4/3 Channel Operation