PAC Audio PAC-AP4FD21 Amplifier Integration Interface for Select Ford vehicles with 8.4” Radio and Factory Sony Amplified System

In stock
SKU: PAC-AP4FD21
(0)
Brand New with Manufacturer Warranty
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Free Shipping & Easy Returns
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Regular price $329.00 USD
Massive Power & Clarity

Massive Power & Clarity

Superior Performance

Superior Performance

Advanced Technology

Advanced Technology

Premium Quality

Premium Quality

AmpPRO simplifies the installation of upgraded amplifiers in data-bus controlled amplified sound systems. With AmpPRO, you can improve audio performance while keeping an original radio’s fit, finish and features.

BENEFITS:
  • Simplifies amplifier installation
  • Prevents need for summing and DSP devices
  • Provides factory sound system upgrade solution
FEATURES:
  • Can be used to upgrade the entire sound system or just part of it thanks to retention of original amplifier
  • Enables the addition of a subwoofer system to the original sound system
  • Variable volume, fade, balance, bass, mid and treble audio settings
  • Front, rear, sub preamp outputs (5 volt RMS)
  • Provides flat audio output for a solid audio foundation
  • Customized OE bass, mid and treble center frequency selection
  • Retains Sync, Bluetooth audio and all warning chimes
  • Plug & play installation
  • Sub level controller
  • Optional TOSLINK optical output (APA-TOS1 sold separately)
INCLUDES:
  • AmpPRO module
  • 24-pin and 54-pin harness (MS CAN) (Dual MS CAN)
  • Bass knob
  • Knob harness
  • Manual

Also available for fast easy install: APH-FD01 harness (sold separately)

UPC:  609098817042

Free shipping in the 48 U.S. states. Orders placed before 11 PM ET process next business day; shipping takes 5–8 days. Tracking info is emailed once shipped. To cancel, contact info@eliteautogear.com within 24 hours. Processed orders can’t be canceled. Thank you for choosing Elite Auto Gear!

Customer Support : 9:00 am to 5:00 pm 

Address: 13446 Alondra Boulevard, Cerritos ,California 90703, United States

Email: info@eliteautogear.com

Phone: (877)-215-8187

From Boats to Jeeps to UTVs

Built to Be Heard Everywhere You Ride

Power That Dominates

Pushes up to 900W peak / 300W RMS for crystal-clear highs and bass that cuts through wind, waves, or trails.

Built for Tough Rides

Engineered to withstand extreme conditions with rugged construction and weatherproof design.

Built for Power & Durability

Premium materials and advanced engineering ensure long-lasting performance in any environment.

Immersive Sound & Lighting

Experience rich, immersive audio with synchronized lighting effects that enhance every adventure.

Don’t Just Hear the Music—Feel It

Upgrade Your Ride With Pro-Level Sound

From waves to trails, Elite Auto Gear delivers gear that’s louder, cleaner, and tougher than stock. Get the power your setup deserves today.
Shop the Gear Now

What Our Customers Are Saying

⭐ 4.9 stars reviews, Loved by Thousands

M**I
★ ★ ★ ★ ★

"Great packaging and super loud speakers would recommend buying and got delivered fast"

M**I

Verified Verified Customer
B.
★ ★ ★ ★ ★

"Installed Apocalypse 6.5 mids, DS18 tweeters, and Orion 6x9s in my 2014 Dodge Challenger RT — amazing sound! Quality and materials are top-notch. Definitely buying from them again."

B.

Verified Verified Customer
werita&chukito3
★ ★ ★ ★ ★

"10 de 10 con el envío super rápido espero que si tengan buen sonido estan muy bonitas"

werita&chukito3

Verified Verified Customer
★ ★ ★ ★ ★

"Definitely a must can't wait to install all my speakers I would buy from them again I got the apocalypse 6.5 mid range ds18 tweeters 3.5 full range and Orion 6x9 mid range"

Verified Verified Customer
★ ★ ★ ★ ★

"Me gustó mucho buena calidad Y suena recio como yo pensaba si se las recomiendo buen sonido"

Verified Verified Customer
B.
★ ★ ★ ★ ★

"The speakers were loud and good"

B.

Verified Verified Customer
obs_brycen
★ ★ ★ ★ ★

"Great product but it only comes with one tweeter so make sure you buy 2"

obs_brycen

Verified Verified Customer
s**a
★ ★ ★ ★ ★

"Súper buena calidad, buen sonido de voz, y llega en buenas condiciones"

s**a

Verified Verified Customer
bmtmanuel
★ ★ ★ ★ ★

"Received them and they work as i expected"

bmtmanuel

Verified Verified Customer
**l
★ ★ ★ ★ ★

"They got here before estimated arrival and are in amazing condition"

**l

Verified Verified Customer
M**S
★ ★ ★ ★ ★

"Muy buen producto de escucha muy bien"

M**S

Verified Verified Customer