See all parts that fit your 2003 Focus
2000W Peak Zeus Series Class-A/B 4-Channel 2-Ohm Stable Amplifier (ZXX-20004)
Product highlights
• 250 Watts Peak x 4 @ 4 ohm
• 500 Watts Peak x 4 @ 2 ohm
• Total Peak Power: 2,000 Watts
• High- and Low-Pass Filterse
• Variable Bass Boost
• Aluminum Heatsink
• 22" W x 10" L x 6" H
Install New Speakers in select 1993-2017 vehicles from Ford, Mazda, Mercury
$9.99
List price $14.99
Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen
$7.99
List price $11.99
Install a new car stereo in select 1986-2004 vehicles from Ford, Mercury, Mazda
$5.99
List price $6.99
Install a new Double-DIN car stereo in select 1999-2004 Focus and Cougar
$22.99
List price $25.99
Install a new Single-DIN car stereo in select 1999-2004 Focus and Cougar
$26.99
List price $29.99
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
$329.95
List price $349.95
Single DIN Digital Media Receiver with Bluetooth (SiriusXM Ready)
$149.95
List price $180.00
Single DIN CD Receiver with Bluetooth, HD Radio and SiriusXM Ready
$249.99
List price $280.00
Check out the ZXX-2000.4 Owner's Manual
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(newest, current model)
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(previous model, replaced by Hifonics ZXX-2000.4)
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2 Infinity REF507CF (INFSPKRF507CFUS) w/ Adapter Plates
390W Peak (130W RMS) 5.25" Reference Series 2-way 3-ohm Component Speaker System with Speaker Adapter Plates
$477.88
List price $543.88
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
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Manufacturer:
Model Number:
ZXX-2000.4
Weight:
13.00lbs
Internal SKU:
zxx20004
Internal Product ID:
128241
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Hifonics ZXX-2000.4
The best amp ever good power and does the job and stay cool
2 found this helpful
Good amp
This is a pretty good amp if you want to run two subwoofers and some tweeters and six by nines don’t try and run any other subwoofers with it the power diminishes greatly overall an amazing amp
Verified purchase
1 found this helpful
Great product
Love hifonics never had a problem with them. Also they always live up to their ratings (rms).
1 found this helpful
Can't beat for the price
More power than my alpine f400 it replaced. Running 4 5.25 jbl in my boat. With 3 jbl 12s running of a hifonics mono. Always getting complements on the setup while beached on islands.
Complete 4-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire
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4 Gauge Premium (CCA) Copper Clad Aluminum Amplifier Power Wiring Kit with Speaker Wire
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Universal Remote Bass Level Control Knob
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All-in-one cable for speaker and amp installation (20 feet)
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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!
(2)
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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!
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200 Amp Relay Isolator (BIR200)
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(17)
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500 Amp Smart Relay Isolator (XSBI500)
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500 Amp Relay Isolator (BIR500)
Does not create a voltage drop to the second battery like conventional isolators
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$79.99
List price $95.99
Belva Nine Function Digital Multimeter
Perfect for any installation and troubleshooting
(7)
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Universal Positive/Negative 1/0 or 4 Gauge Battery Terminal
Make installation a breeze with the XBTU
(19)
$14.99
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World's Smallest AFS / Mini ANL Fuse Holder
Accepts 4 gauge or 8-gauge wire
(15)
$9.99
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4/8 Gauge Mini ANL (MANL, AFS) Fuse Holder
4/8 Gauge Mini ANL (MANL, AFS) Fuse Holder
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Modular Linkable ANL Fuse Block
Modular Linkable ANL Fuse Block
(4)
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ANL/Mini-ANL Fuse Holder with 1/0 or 4 Gauge Input and Output
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4/8 Gauge Mini-ANL/MANL/AFS Fuse Holder
4/8 Gauge Mini-ANL/MANL/AFS Fuse Holder
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4 Pack of 150 Amp Nickel-Plated MANL Fuse
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2 Pack of 100 Amp Nickel-Plated ANL Fuse
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2 Pack of 300 Amp Nickel-Plated ANL Fuse
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
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