Garage
Shop

See all parts that fit your 2018 Expedition

Infinity INFDSP4425

200W 4X25 31BAND DSP WITH SUB OUTPUT

Infinity
Shop all Infinity
highlight-star-icon

• Max Power: 200W peak
• All-in-One Class A/B
• Amplifier with DSP Control
• Everything You Need to Get Started
• Simple Tuning Interface with Complex
• Versatile Connectivity
• Harman Standard Reliability Testing

Learn more about the infdsp4425

We apologize

This item has been discontinued


Loading...
72-5602 main

Metra 72-5602

Install New Front Kick Panel Speakers in select 2009-2024 vehicles from Ford, Mazda, Lincoln

43
-20.01%

$11.99

List price $14.99

C2-650X main

JL Audio C2-650x

120W RMS 6.5" C2 Series 2-Way Coaxial 4-ohm Car Speakers

26
51KSS6704 main

Kicker KSS67 (51KSS6704)

500W Peak (250W RMS) 6.75" KS Series 2 Way Component 4-ohm Speaker System

1
-10.71%

$249.99

List price $279.99

Limited time!

Infinity Kappa 603CF (INFSPKKA603CFAM)

660W Peak (220W RMS) 6.5" Kappa Series 2 Way 3-ohm Component Speaker System

6
-28.00%

$359.95

List price $499.95

Description


Infinity brand icon

Authorized dealer

General Features:

  • Max Power: 200W peak
  • Small footprint, All-in-One Class A/B
  • Amplifier with DSP Control
  • Everything You Need to Get Started
  • Simple Tuning Interface with Complex
  • Versatile Connectivity
  • Convenient Bass Control
  • Conformal Coated PCB
  • Harman Standard Reliability Testing
  • RMS Power Output @ 4Ω: 25W x 4, <10% THD+N
  • Full-Range Pre-Amp Outputs: 2-channel
  • Variable crossovers with hi-pass, lo-pass, bandpass capability & adjustable 0-to-48dB slopes
  • Selectable EQ adjustment: Parametric or Graphic
  • Selectable 12V/Signal Sense/DC Offset turn-on
  • modes, with 12V remote output
  • Frequency Response 10Hz to 22kHz @ -3dB
  • Signal-to-Noise Ratio: >80dB @ 4Ω
  • Subwoofer Level Control -30dB to +6dB
  • Fuse Rating: 15A
  • Operating Voltage: 8V to 16V
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Loading...
SB-F-EXPED4G/10TW1 main

JL Audio Stealthbox® SB-F-EXPED4G/10TW1

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2018-2024 Expedition and Expedition Max

$1,449.99

BV850ACP main

Boss Elite BV850ACP

6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera

5
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

122
-33.36%

$79.96

List price $119.99

Limited time!
46CSC6934 main

Kicker CSC693 (46CSC6934)

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

40
-30.02%

$111.96

List price $159.99

DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

2
-16.67%

$349.99

List price $420.00

iLX-W650 main

Alpine iLX-W650

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

123
-5.72%

$329.95

List price $349.95

Club 322F main

JBL Club 322F (SPKCB322FAM)

150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers

1
-27.29%

$79.95

List price $109.95

DMH-W4660NEX main

Pioneer DMH-W4660NEX

6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)

2
-20.00%

$599.99

List price $750.00

43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

28
-10.53%

$84.99

List price $94.99

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

12
-9.16%

$109.00

List price $119.99


Best selling similar products

XDSP28 small

NVX XDSP28

• 15 Band Parametric EQ
• 8-Channel RCA Outputs
• Provides up to 2 Volts of output
• Fully adjustable High and Low-pass filters
• Time alignment in 0.02 ms increments

(3)

$109.99

List price $131.99

AXDSPX-ETH1 small

Axxess AXDSPX-ETH1

• Plug and Play T-harness for faster installation
• For select 2019-2024 vehicles from Chevrolet, GMC, Cadillac
• Designed for Ethernet amplifiers
• Designed to be used with factory radios
• Selectable 31-band graphic EQ or 5-band parametric EQ
• Settings adjusted via Bluetooth in a smart device
• Selectable high pass, low pass, or bandpass filters

(3)

$517.99

List price $613.99

DM-810 small

AudioControl DM-810

• Premium matrix digital sound processor
• 8-Channel preamp input and 10-Channel preamp output
• 30-Band equalizer for adjusting gain, delay, and polarity
• High-pass, low-pass and band-pass crossovers
• Features GTO signal sensing, MILC clip detection, and AccuBASS
• Also features signal summing and signal delay

(8)

$829.00

List price $1109.00

AXDSPX-GMM50 small

Axxess AXDSPX-GMM50

• Plug and Play T-harness for faster installation
• For select 2010-2021 vehicles from Chevrolet, GMC, Cadillac
• Designed for MOST amplified systems
• Designed to be used with factory radios
• Selectable 31-band graphic EQ or 5-band parametric EQ
• Settings adjusted via Bluetooth in a smart device
• Selectable high pass, low pass, or bandpass filters

$638.99

List price $709.99

AXDSPX-BMWM25 small

Axxess AXDSPX-BMWM25

• Plug and Play T-harness for faster installation
• For select 2010-2025 vehicles from BMW
• Designed for MOST amplified sound systems
• Selectable 31-band graphic EQ or 5-band parametric EQ
• Settings adjusted via Bluetooth in a smart device
• Selectable high pass, low pass, or bandpass filters

$637.99

List price $708.99

AXDSPL-CH8 small

Axxess AXDSPL-CH8

• Plug and Play T-harness for faster installation
• For select 2021-2022 vehicles from Ram, Dodge, Chrysler
• Designed for both amplified and non-amplified systems
• Selectable 15-band graphic EQ or 5-band parametric EQ
• Settings adjusted via Bluetooth in a smart device
• Selectable high pass, low pass, or bandpass filters

$255.99

List price $419.99

DSR1 small

Rockford Fosgate DSR-1

• Digital Signal Processing with Integrated Maestro CAN Interface
• Four channel high level inputs with signal sense turn on
• 18 Pin Analog Input and 16 Pin Analog Output Harness
• Interactive Tuning Interface Controlled via Android/iOS APP

$419.99

List price $419.99

TwK-88 small

JL Audio TwK-88

• 8-Channel digital signal processo
• 80 total bands of equalization
• TüN software offers quick input/output setup
• 8 RCA inputs or 1 optical input
• Includes DRC-200 digital remote control

(10)

$579.99

List price $579.99

FiX-86 small

JL Audio FiX-86

• OEM integration digital signal processor
• 24-bit DSP processor and quad 1/3 octave equalizers
• 8-input and 6-output channels
• Access four user-adjustable 10-band graphic equalizers
• 30-second single button calibration

(14)

$529.99

List price $529.99

Specifications & Details


General Specifications
Built-in Crossover
Band-Pass (BP)
Low-Pass (LP)
High-Pass (HP)
Frequency Response
10 - 22000 Hz
Signal-to-Noise Ratio
>80dB dB
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

INFDSP4425

Weight:

3.44lbs

Internal SKU:

infdsp4425

Internal Product ID:

183293

Customer Ratings & Reviews


Infinity INFDSP4425 thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


AP4.6 small

Xscorpion AP4.6 AeroPort

4" x 6" Molded Sub Enclosure Aero Port

(11)

$11.38

List price $16.99

S2S50_2 small

Alpine S2-S50 (2-Pairs, 4-Total)

680W Peak (220W RMS) 5.25" S-Series 2-way Coaxial Car Speakers (2-Pairs)

(2)

$259.90

List price $320.00

3SIXTY.3 small

Rockford Fosgate 3SIXTY.3 (360.3)

Interactive Signal Processor with 8 Channel Inputs / Outputs and 248 Band Parametric EQ OEM integration "Black Box"

(8)

$699.99

List price $699.99

Stage39637F small

JBL Stage3 9637F (STAGE39637FAM)

450W Peak (150W RMS) 6x9" Stage3 Series 3-way Coaxial 3-ohm Speakers

(3)

$99.95

List price $129.95

KIT-950 small

Absolute KIT-950

Complete 3000W 4 Gauge Amplifier Install Kit

(8)

$35.99

List price $74.99

A16000J small

Audiobahn A16000J

1800W Single-Channel Monoblock Intake Series Car Amplifier

(1)

$229.99

List price $629.99

42PXA2002 small

Kicker PXA200.2 Compact 2-Channel Amplifier (42PXA2002)

200W RMS Ultra Compact PXA Series 2-Channel Full Range Mini Weatherproof Amplifier for Motorcycles, Side-by-Sides, ATV’s, and Cars (42PXA2002)

(1)

$159.95

List price $249.95

DEH-2800MP small

Pioneer DEH-2800MP

CD/MP3 Receiver

(2)

$84.99

List price $149.99

XA-800.4 small

U.S. Amps XA-800.4

760W Max, 4-Channel XA Series U.S Amps Car Amplifier

(3)

$72.99

List price $219.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2018 Ford Expedition

2022 Dodge Durango

2016 Chrysler 300

2023 Dodge Durango

1971 MG MGB

2003 Toyota Matrix

2002 Ford E Series

2010 Jeep Compass

2007 BMW 760Li

2014 MINI Cooper

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.