See all parts that fit your 2001 A4
510W RMS, THA Plug-n-Play Series 5-Channel Class D Amplifier (THA 555 PnP, THA 555PnP)
THA Plug-n-Play Series 5-Channel Class D Car Amplifier • 55W x 4 chan. + 200W x 1 chan. @ 4 ohm • 65W x 4 chan. + 250W x 1 chan. @ 2 ohm • 110W x 4 chan. + 400W x 1 chan. Max • 5/4/3 channel operation • Speaker-level inputs • Preamp RCA outputs
Learn more about the tha555pnpTHA Plug-n-Play Series 5-Channel Class D Car Amplifier • 55W x 4 chan. + 200W x 1 chan. @ 4 ohm • 65W x 4 chan. + 250W x 1 chan. @ 2 ohm • 110W x 4 chan. + 400W x 1 chan. Max • 5/4/3 channel operation • Speaker-level inputs • Preamp RCA outputs
6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera
$329.99
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$349.99
List price $420.00
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
$329.95
List price $349.95
6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)
$599.99
List price $750.00
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System
$999.99
List price $1175.00
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• 500 watts x 1 channel @ 4 ohm
• 850 watts x 1 channel @ 2 ohm
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• Total RMS Power: 1200 watts
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• 80 watts x 4 channel @ 4 ohm
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• Total RMS Power: 500 watts
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• 100 watts x 4 channel @ 4 ohm
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• Total RMS Power: 600 watts
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Manufacturer:
Model Number:
THA555PnP
Weight:
7.00lbs
Internal SKU:
tha555pnp
Internal Product ID:
9714
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Very easy integration to factory system. Size is really easy to install out of sight in a truck cab.
18 found this helpful
Great Amp, awesome
Just installed this amp. It is compact, sounds and looks beautiful. The aux input for ipod is the cherry. Integrated seamlessly in my Audi. To boot it fit perfectly in the side crawl space in the boot. Multiple tweak settings. It has changed my attitude towards my commute, I look forward to going to work everyday with great music.
It is the Single most useful accessory added to my car.
18 found this helpful
Really nice!
This runs all of your speakers, even the sub! This is an all-in-one deal! really good price to amp all speakers! nice sound as well.
16 found this helpful
I almost cried when it died!
The amp is beautiful and ran my fronts, rears, and subs really well. The only issue was that it ran extremely hot and literally blew up (burned a hole in the circuit board) within a year. I would not recommend this amp to anyone wanting to pull a lot of power as it may overheat. If you want an easy hookup and do not need a huge amount of power; use this and give it plenty of cool air.
16 found this helpful
Nice, but a little weak.
The overall look of this speaker is great and it is extremely easy to hookup. It has good sound but is very weak for my taste. It is lacking in air space for an eight inch speaker and it bottoms out at any high volume levels. I would only recommend this speaker if you are really in a pinch for space. If you have any extra room I would suggest a larger box with more airspace. My ratings may look a bit off. The speaker looks great and has great features but it lacks what it was made to do; bring me some good, heavy depth to my sound system.
15 found this helpful
Complete 8 Gauge Amplifier Wiring Kit with 6-Channel RCA Interconnects
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8 Gauge Premium (CCA) Copper Clad Aluminum Amplifier Power Wiring Kit with Speaker Wire
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The XLOC66X helps you easily integrate with your factory or aftermarket system
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NVX XIV65 V-Series Interconnect Cable
5m (16.40 ft) 6-Channel RCA Audio Interconnect Cable
(25)
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Belva BBIC65 Interconnect Cable
5m (16.40 ft) 6-Channel RCA Audio Interconnect Cable (CCA)
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75 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire
(21)
$34.99
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80 Amp Smart Relay Isolator (XSBI80)
Smart isolator - Monitors and auto-charging feature!
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$24.99
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Great for isolating a second batter making it dedicated to the stereo system
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200 Amp Smart Relay Isolator (XSBI200)
Smart isolator - Monitors and auto-charging feature!
(6)
$49.99
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200 Amp Relay Isolator (BIR200)
Great for isolating a second batter making it dedicated to the stereo system
(17)
$49.99
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500 Amp Smart Relay Isolator (XSBI500)
Smart isolator - Monitors and auto-charging feature!
(8)
$89.99
List price $109.99
500 Amp Relay Isolator (BIR500)
Does not create a voltage drop to the second battery like conventional isolators
(36)
$79.99
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Belva Nine Function Digital Multimeter
Perfect for any installation and troubleshooting
(7)
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World's Smallest AFS / Mini ANL Fuse Holder
Accepts 4 gauge or 8-gauge wire
(15)
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4/8 Gauge Mini ANL (MANL, AFS) Fuse Holder
4/8 Gauge Mini ANL (MANL, AFS) Fuse Holder
(11)
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High Quality Element Resistant AGU Fuse Holder
Belva BAGUH2 AGU Fuse Holder
(2)
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Modular Linkable ANL Fuse Block
Modular Linkable ANL Fuse Block
(4)
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4/8 Gauge Mini-ANL/MANL/AFS Fuse Holder
4/8 Gauge Mini-ANL/MANL/AFS Fuse Holder
(6)
$7.99
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4 Pack of 80 Amp Nickel-Plated MANL Fuse
Mini-ANL (MANL/AFS) 80A Nickel Plated Fuses
(19)
$3.99
List price $8.99
4 Pack of 100 Amp Nickel-Plated MANL Fuse
Mini-ANL (MANL/AFS) 100A Nickel Plated Fuses
(17)
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4 Pack of 150 Amp Nickel-Plated MANL Fuse
Mini-ANL (MANL/AFS) 150A Nickel Plated Fuses
(11)
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2 Pack of 100 Amp Nickel-Plated ANL Fuse
ANL 100A Nickel plated for better power transfer
(8)
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2 Pack of 200 Amp Nickel-Plated ANL Fuse
Two fuses per order. High quality 200 Amp ANL Fuses
(22)
$3.99
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2 Pack of 300 Amp Nickel-Plated ANL Fuse
Two fuses per order. High quality 300 Amp ANL Fuses
(19)
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Pair of 8 Gauge Spade Terminals, #8 Opening
Spade Terminals • 8 Gauge • 1 Red & 1 Black • Nickel Plated
(3)
$2.49
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0.25 Meter (0.86 ft) Hyper-Flex RCA cable w/ Serpentine-Cut Nickel Plated Connectors
(21)
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Tru Spec Dual 10SUBP with 2 Sundown Audio SA-10s
Dual 10" Prefabricated Vented Enclosure with 2000W Peak (1000W RMS) 10" SA Classic Series Dual 4-ohm Car Subwoofer (SW-SACL10D4)
(1)
$874.97
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
