See all parts that fit your 1999 A8 Quattro
2400W Max 4 Channel Class A/B Demon Series Car Amplifier
4 Channel Demon Series Class A/B Car Amplifier • 4 ohm: 200 watts x 4 chan. • 2 ohm: 250 watts x 4 chan. • Bridged, 4 ohm: 500 watts x 2 chan. • Max power output: 2400 watts x 2 chan.
Learn more about the d42400b
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
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 (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (70W RMS) 6.5" XED Series 2-Way Coaxial 4-ohm Speakers
$49.99
List price $59.99
250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers
$319.00
List price $339.00
600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System
$999.99
List price $1175.00
440W Peak (80W RMS) 6.5" SXE Series 2-way 4-ohm Coaxial Car Speakers
$42.99
List price $54.99
4 Channel Demon Series Class A/B Car Amplifier • 4 ohm: 200 watts x 4 chan. • 2 ohm: 250 watts x 4 chan. • Bridged, 4 ohm: 500 watts x 2 chan. • Max power output: 2400 watts x 2 chan.
Music so powerful it makes the dead come to life! Try the all new Demon amplifiers, loaded with the features you expect on models priced much higher than this exquisite series of amplifiers. We provide all the necessary features, including variable 12dB Crossovers, and 2-ohm stable on all class A/B amps. Full variable crossovers, with 18db. Bass boost and dash mounted sub woofer control. Sporting a new hairline anodized finish with Skull logo and piercing eyes that light-up when the amp is on.
Best selling similar products
• 100 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier
(22)
$159.99
List price $215.99
• 80 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier
(111)
$209.99
List price $239.99
• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier
(44)
$304.99
List price $379.99
Manufacturer:
Model Number:
D4-2400B
Weight:
17.00lbs
Internal SKU:
d42400b
Internal Product ID:
43631
| 5 star |
|
0% |
| 4 star |
|
0% |
| 3 star |
|
0% |
| 2 star |
|
0% |
| 1 star |
|
0% |
| Durability | ||
| Value | ||
| Features | ||
| Design | ||
| Usability |
Complete 4-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire
(61)
$49.99
List price $79.99
Complete 4-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire
(28)
$49.99
List price $79.99
4 Gauge Premium (CCA) Copper Clad Aluminum Amplifier Power Wiring Kit with Speaker Wire
(20)
$24.99
List price $49.99
4 Gauge 100% (OFC) Oxygen Free Copper Amplifier Power Wiring Kit with Speaker Wire
(78)
$99.99
List price $131.99
Add a 4-channel amplifier without replacing your factory radio
(2)
$27.99
List price $31.24
Add a 4-channel amplifier without replacing your factory radio
(31)
$21.99
List price $23.74
NVX XIX45 X-Series RCA Interconnect Cable
16.4 ft. of 4-Channel X-Series RCA Cable with Dual Twisted Pair Hyper-Flex Technology
(24)
$23.99
List price $28.99
NVX V-Series RCA Interconnect Cable
19 ft. of 4-Channel RCA cable with dual twisted-pair conductors
(35)
$15.99
List price $32.99
NVX XIV45 4-Channel RCA Audio Interconnect Cable
5 Meters (16.4 ft.) 4-Channel RCA Audio Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology
(27)
$16.99
List price $29.99
75 ft. of True 12 Gauge 100% Copper EnvyFlex Speaker Cable/Wire
(14)
$59.99
List price $124.99
75 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire
(22)
$34.99
List price $44.99
All-in-one cable for speaker and amp installation (20 feet)
(2)
$29.99
List price $47.99
80 Amp Smart Relay Isolator (XSBI80)
Smart isolator - Monitors and auto-charging feature!
(2)
$24.99
List price $49.99
Great for isolating a second batter making it dedicated to the stereo system
(10)
$15.99
List price $19.99
200 Amp Smart Relay Isolator (XSBI200)
Smart isolator - Monitors and auto-charging feature!
(6)
$49.99
List price $79.99
200 Amp Relay Isolator (BIR200)
Great for isolating a second batter making it dedicated to the stereo system
(17)
$49.99
List price $59.99
500 Amp Relay Isolator (BIR500)
Does not create a voltage drop to the second battery like conventional isolators
(36)
$79.99
List price $95.99
True 1.0 Farad 20V Capacitor with Digital Read-out, Built-in Distribution Block
(66)
$109.99
List price $131.99
1.0 Farad Capacitor with Digital Red Display for up to 1000W Max
(80)
$38.99
List price $79.99
Belva Nine Function Digital Multimeter
Perfect for any installation and troubleshooting
(7)
$9.99
List price $29.99
This is a must have! Set your crossover frequency like a Pro
(21)
$187.98
List price $197.98
Universal Positive/Negative 1/0 or 4 Gauge Battery Terminal
Make installation a breeze with the XBTU
(19)
$14.99
List price $24.99
World's Smallest AFS / Mini ANL Fuse Holder
Accepts 4 gauge or 8-gauge wire
(16)
$9.99
List price $19.99
4/8 Gauge Mini ANL (MANL, AFS) Fuse Holder
4/8 Gauge Mini ANL (MANL, AFS) Fuse Holder
(11)
$4.99
List price $9.99
High Quality Element Resistant AGU Fuse Holder
Belva BAGUH2 AGU Fuse Holder
(2)
$4.99
List price $9.99
Modular Linkable ANL Fuse Block
Modular Linkable ANL Fuse Block
(4)
$14.99
List price $59.99
ANL/Mini-ANL Fuse Holder with 1/0 or 4 Gauge Input and Output
No-fail termination and current flow, it helps keep your system protected and running smoothly
(51)
$12.99
List price $24.99
4/8 Gauge Mini-ANL/MANL/AFS Fuse Holder
4/8 Gauge Mini-ANL/MANL/AFS Fuse Holder
(6)
$7.99
List price $9.99
4 Pack of 80 Amp Nickel-Plated MANL Fuse
Mini-ANL (MANL/AFS) 80A Nickel Plated Fuses
(20)
$3.99
List price $8.99
4 Pack of 100 Amp Nickel-Plated MANL Fuse
Mini-ANL (MANL/AFS) 100A Nickel Plated Fuses
(18)
$3.99
List price $8.99
4 Pack of 150 Amp Nickel-Plated MANL Fuse
Mini-ANL (MANL/AFS) 150A Nickel Plated Fuses
(11)
$3.99
List price $8.99
2 Pack of 100 Amp Nickel-Plated ANL Fuse
ANL 100A Nickel plated for better power transfer
(8)
$3.99
List price $7.99
2 Pack of 200 Amp Nickel-Plated ANL Fuse
Two fuses per order. High quality 200 Amp ANL Fuses
(23)
$3.99
List price $7.99
2 Pack of 300 Amp Nickel-Plated ANL Fuse
Two fuses per order. High quality 300 Amp ANL Fuses
(19)
$3.99
List price $7.99
Gauge Reducer, 4 Gauge Input to 8 Gauge Pin
Great for amplifiers that do not accept a large gauge power wire
(24)
$9.99
List price $19.00
Pair of 4 Gauge Spade Terminals, #8 Opening
Spade Terminals • 4 Gauge • 1 Red & 1 Black • Nickel Plated
(7)
$1.99
List price $3.99
4 Gauge Ring Terminals, 5/16" Opening
Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)
(3)
$4.99
List price $6.99
4 Gauge Ring Terminals with 3/8" Opening (5 Pieces)
4 Gauge Ring Terminals with 3/8" Opening (5 Pieces)
(8)
$2.99
List price $9.99
(4-pack) 4 Gauge Solid Copper Ring Terminals with Shrink Tubing
(4-pack) 4 Gauge Solid Copper Ring Terminals with Shrink Tubing
(25)
$7.99
List price $9.99
Cancel
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.
