Description
Symphony S4 Full Range Class D Amplifier
The new & improved Symphony amplifiers are packed with even more power density than the highly renowned originals!
The S4 is rated for a total of 880w of clean RMS output!
Efficient design only requires the use of 4 gauge power and ground cables.
New Custom tooled Symphony heatsink optimized for uncompromising heat dissipation while keeping form factor at an all time low.
Built in 18db/Slope crossover network grants precise adjustment of your system's needs and features LPF/HPF & Bandpass and allows
the user to control the frequency points up to 8khz!
2ch/4ch selector switch (No RCA splitters will ever be needed)
All Symphony models utilize heavy copper traces in the Korean built boards, as well as top quality components used throughout.
Input signal transfers cleanly to the board via the Tiffany style RCA input jacks.
S4 Rated Power output @ 13.8v (RMS):
2ohm: 220w x4
4ohm: 140w x4
Bridged 4ohm: 440w x2
S4 Dimensions: 8.5"L x 7.6"W x 2.5"H
80a to 100a fuse for the power input suggested
Free shipping in the continental USA.
11 Reviews
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Great sound
I have this powering a 3-way component set of MB Quart up front and a pair of DS18 two-way components in back and it sounds so good. I have went through like five or six four channel amps and was never satisfied and ended up selling them and I think I finally found the one I like the most. Because if I go to add more speakers I can also drop it down to 2 ohms and put 240 out of each channel and I'm sure that's underrated. I would definitely recommend.
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Symphony S4
Top quality amp, plays clear and loud. I have it on 4 Crescendo Audio UN 6.5" mids and 4 Crescendo Audio Neo tweeters and they sound awesome and clear. I put 2 way passive crossovers on all 4 sets. It has enough power to double my setup on this same amp.
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Outstanding product!
Competition amplifier. True clean power! Beautiful amp. FAST shipping. Awesome customer service.
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Very clean and powerful!!!!!
Absolutely love this amp. Pushes my Deaf Bounce Neo 6 1/2 door Speakers to the limit,but sound extremely loud and clean doing it
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Crescendo S4 Amp
Very Happy with Amp.Clean and Clear with no distortion.Very Fast Shipping.The Best !If Your Looking For A Nice Amp,This Is The One!Crescendo All The Way!!Thank JP!You and Your Crew Are The Best!!
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Nice and clean
Nice and clean 4channel. Really impressed. Nice improvement over my soundigital 800.4
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High quality amp
This replaced my hifonics 4 channel to run my highs, and let me tell you what a night and day difference! cant believe how well the same speakers sound with simply a better amp. Much "cleaner" sound.
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Amp
An amazing amp to be so small
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Loud and clear!
Awesome amplifier. I was worried about class d quality but running my 4 PWX 6.5s, it sounds significantly better than my SAE 50.4.
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Great Amp! Very small too but dont let it fool you. This thing is nasty.
Got this in literally a day and a half and I live in Minnesota. When i first installed this amp, the gain was all the way down and my radio was at the volume I like to have it set at and it was already loud AF! I turned it up about an eithgh of the way and damn is it loud. You dont even need good electrical with this thing, it does rated at 13.8 volts. Thank you!
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