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Signal Processors

SORT: Top Sellers
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JL Audio VX1000/5i
VXi Series 100W x 4 + 600W x 1 @2Ohms, 1000W Max Power Class D 5-Channel System Car Amplifier with Integrated Digital Signal Processing
VX1000/5i
JL Audio VX1000/5i
VXi Series 100W x 4 + 600W x 1 @2Ohms, 1000W Max Power Class D 5-Channel System Car Amplifier with Integrated Digital Signal Processing
Item #: 51080
In Stock
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Estimated shipping time is 7-10 days. Risk Free
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$1,599.99
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Built In Crossovers,  Channel Separation,  XP750-SE OFFER
  • Number of Channels : 5
  • Frequency Response : 12-24000Hz
  • Amplifier Class : D
  • Fuse Rating : 80A
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$1,599.99
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JL Audio VX800/8i
VXi Series 75W RMS x 8 at 4Ohms, 800W Max Power 8-Channel Class D Full Range Car Amplifier with Integrated Digital Signal Processing
VX800/8i
JL Audio VX800/8i
VXi Series 75W RMS x 8 at 4Ohms, 800W Max Power 8-Channel Class D Full Range Car Amplifier with Integrated Digital Signal Processing
Item #: 51078
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$1,799.99
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Built In Crossovers,  Channel Separation,  XP750-SE OFFER
  • Number of Channels : 8
  • Frequency Response : 12-24000Hz
  • RMS Power Output : 75x8Watts
  • Amplifier Class : D
  • Fuse Rating : 80A
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$1,799.99
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AudioControl LC-6.1200
200W x 6 RMS @2Ohms, 1200W Max Power Class D 6-Channel Amplifier
LC-6.1200
AudioControl LC-6.1200
200W x 6 RMS @2Ohms, 1200W Max Power Class D 6-Channel Amplifier
Item #: 52573
In Stock
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Estimated shipping time is 7-10 days. Risk Free
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$899.00
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Built In Crossovers,  Channel Separation,  XP750-SE OFFER
  • Maximum Power : 1200Watts
  • Low Frequency Response : 30-300Hz
  • High Frequency Response : 500-5000Hz
  • Number of Channels : 6
  • Frequency Response : 10-30000Hz
  • RMS Power Output : 125x6Watts
  • Amplifier Class : D
  • Fuse Rating : 120A
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$899.00
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AudioControl ACM-4.300
ACM Series 75W x 4 RMS @2Ohms Class D 4-Channel Car Amplifier
ACM-4.300
AudioControl ACM-4.300
ACM Series 75W x 4 RMS @2Ohms Class D 4-Channel Car Amplifier
Item #: 51702
In Stock
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Estimated shipping time is 7-10 days. Risk Free
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$369.00
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Built In Crossovers,  Channel Separation,  XP750-SE OFFER
  • Maximum Power : 300Watts
  • Number of Channels : 4
  • Frequency Response : 10-22000Hz
  • RMS Power Output : 50x4Watts
  • Amplifier Class : D
  • Fuse Rating : 30A
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$369.00
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JL Audio VX600/6i
VXi Series 100W x 6 RMS @2Ohms, 600W Max Power Handling 6-Channel Class D System Car Amplifier with Integrated DSP
VX600/6i
JL Audio VX600/6i
VXi Series 100W x 6 RMS @2Ohms, 600W Max Power Handling 6-Channel Class D System Car Amplifier with Integrated DSP
Item #: 51077
In Stock
Usually ships the same day
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Estimated shipping time is 7-10 days. Risk Free
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Ship date unknown
$1,499.99
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Built In Crossovers,  Channel Separation,  XP750-SE OFFER
  • Number of Channels : 6
  • Frequency Response : 12-24000Hz
  • RMS Power Output : 75x6Watts
  • Amplifier Class : D
  • Fuse Rating : 50A
Review this product
$1,499.99
FREE SHIPPING
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Hertz H8 DSP DRC
Car Audio Processor with 8 PRE OUT Analog Outputs, 31-Band Equalizer Per Output, Includes DRC HE Controller
H8 DSP DRC
Hertz H8 DSP DRC
Car Audio Processor with 8 PRE OUT Analog Outputs, 31-Band Equalizer Per Output, Includes DRC HE Controller
Item #: 54203
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Estimated shipping time is 7-10 days. Risk Free
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$519.99
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$519.99
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AudioControl LC-1.1500
1500W x 1 RMS @2Ohms Class D Mono Subwoofer Amplifier with AccuBASS®
LC-1.1500
AudioControl LC-1.1500
1500W x 1 RMS @2Ohms Class D Mono Subwoofer Amplifier with AccuBASS®
Item #: 52127
In Stock
Usually ships the same day
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Estimated shipping time is 7-10 days. Risk Free
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$899.00
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Built In Crossovers,  XP750-SE OFFER
  • Maximum Power : 1500Watts
  • Low Frequency Response : 30-230Hz
  • Number of Channels : 1
  • Frequency Response : 10-30000Hz
  • RMS Power Output : 850x1Watts
  • Amplifier Class : D
  • Fuse Rating : 160A
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$899.00
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Audison Bit Ten
BIT Series 4-Channel In & 5-Channel Out Signal Interface Processor
Bit Ten
Audison Bit Ten
BIT Series 4-Channel In & 5-Channel Out Signal Interface Processor
Item #: 54335
In Stock
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Estimated shipping time is 7-10 days. Risk Free
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$399.99
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$399.99
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Wavtech bassRESTOR
2-Channel Bass Restoration Processor, Line Driver or Line Output Converter
bassRESTOR
Wavtech bassRESTOR
2-Channel Bass Restoration Processor, Line Driver or Line Output Converter
Item #: 77203
In Stock
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Estimated shipping time is 7-10 days. Risk Free
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$199.95
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  • Number of Channels : 2
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$199.95
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JL Audio VX1000/1i
1000W x 1 RMS @2Ohms, Class D Monoblock Subwoofer Car Amplifier with Integrated Digital Signal Processing
VX1000/1i
JL Audio VX1000/1i
1000W x 1 RMS @2Ohms, Class D Monoblock Subwoofer Car Amplifier with Integrated Digital Signal Processing
Item #: 51079
In Stock
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$1,399.99
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XP750-SE OFFER
  • Maximum Power : 1000Watts
  • Number of Channels : 1
  • Frequency Response : 12-500Hz
  • RMS Power Output : 600x1Watts
  • Amplifier Class : D
  • Fuse Rating : 80A
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$1,399.99
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Audison Bit Nove DRC
BIT Series 6-Channel In & 9-Channel Out Signal Interface Processor
Bit Nove DRC
Audison Bit Nove DRC
BIT Series 6-Channel In & 9-Channel Out Signal Interface Processor
Item #: 54347
In Stock
Usually ships the same day
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Estimated shipping time is 7-10 days. Risk Free
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$679.99
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$679.99
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Hifonics HDBR
Digital Bass Driver/Restoration Processor with Parametric Bass Control
HDBR
Hifonics HDBR
Digital Bass Driver/Restoration Processor with Parametric Bass Control
Item #: 34977
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Estimated shipping time is 7-10 days. Risk Free
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$60.50
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$60.50
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Signal Processors for Car Audio

Don’t let someone else control how your music sounds. A car audio signal processor is an amazing accessory that will improve sound quality without changing a single speaker or amplifier. Digital signal processors, or DSPs, help filter out interference, distortion and other limitations. The result is a cleaner, crisper and more refined signal that reaches your speakers.

This add-on interface offers two great ways to upgrade your car audio. Some people use car signal audio processors to improve the sound of their factory stereo. These OEM units have built-in “sound shaping” that limits how much a new set of speakers can help. However, some factory stereos are very complicated and hard to switch out. Adding a vehicle DSP strips away this shaping to give you back control. Processors are also used by audiophiles who want to fine-tune their competition-grade stereo components and squeeze every last bit of performance out of them.

A Better Signal for Better Noise

We stock the latest car audio signal processors to send each speaker spirited high, resonant mids and rich lows with less unwanted junk in the way. Our OEM integration DSPs are designed for cutting through the factory processing. In particular, they knock down the bass output limitations and preset equalizations that create sound deficits. Use our Vehicle Fit Guide to find one that works with your stereo.

Processors for aftermarket systems offer even more adjustability and tuning options. Some have built-in equalizers for tweaking your newly clean sound while others have analog outputs for older components. A few audio processors have an auxiliary input for directly connecting digital media players and satellite radio tuners to eliminate potential interference at the source.

OnlineCarStereo.com has great brands at great prices for everyone looking to clean up their audio signal. We also offer free shipping to help you save even more. Shop online 24/7 or visit a store to check them out in-person.

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Online Car Stereo

Founded in 1999, the OnlineCarStereo.com team has worked to put together one of the largest selections of car audio/stereo in this country.

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