Skip to main content
InCarTec 20-290-4CHP 4 Channel RCA Low Level Ground Loop Isolator With Level Adjustment
Order in
days
:
23 Hours
:
59 Mins
:
Secs
For
Next Day Delivery

InCarTec 20-290-4CHP 4 Channel RCA Low Level Ground Loop Isolator With Level Adjustment

(No reviews yet)
SKU: GLI-20290.4CHP
MPN: 20-290-4CHP
  • Eliminates hum, buzz & interference from 4 RCA channels
  • Built-in level adjustment—match head unit & amp outputs
  • Ideal for multi-amp or full-range audio setups
  • Plug-and-play—no power required, easy inline install
  • Compatible with aftermarket & OEM low-level systems

We ship in-stock items the same day when ordered before 3pm. For out-of-stock products, call to backorder. We’ll notify you as soon as it's ready to ship.

Our Price:
£48.99
RRP:   £69.99
Our Price:
Now: £40.82
RRP:   £58.32
Was:  
Add to Wishlist Wishlist Adding to cart… The item has been added
Add to Cart

Next-Day Delivery Available

Get it by of .

Free Standard Delivery

To UK mainland on orders over £30.

Collection Available

Call to arrange pickup from us.

Call: 01691 886130

Call for back-orders or large quantities.

  • Super Payments
  • Apple Pay
  • Diners Club
  • Super Payments
  • Maestro
  • Mastercard
  • Visa

MAIN FEATURES

 

InCarTec 20-290 4CHP – 4-Channel RCA Ground Loop Isolator with Level Adjustment

 

Clean signal. Full control.


The InCarTec 20-290 4CHP is a 4-channel RCA ground loop isolator designed to eliminate hum, buzz, and interference in low-level audio systems. With built-in level adjustment, it allows precise matching between head unit outputs and amplifier inputs—ideal for multi-amp setups or full-range signal routing.

 

KEY FEATURES:

  • 4 RCA channels – Supports front and rear signal paths for full system coverage
  • Integrated ground loop isolation – Removes unwanted noise from low-level audio lines
  • Level adjustment dials – Fine-tune output levels for clean, balanced sound
  • Plug-and-play design – No external power required; fits inline with RCA cables
  • Versatile compatibility – Suitable for aftermarket and OEM audio systems

 

IDEAL FOR:

  • Multi-channel amplifier installations
  • Resolving interference in RCA-based setups
  • Matching signal levels across diverse audio components

 

 

UK Deliveries: Free UK mainland delivery applies to orders over £30 (exceptions apply to remote regions and islands, which will see a surcharge at checkout).


Orders Under 2kg: Most in-stock items arrive in 2–3 working days. Items held by suppliers take 4–6 working days. (Note: Saturday is not a working day).


Orders Over 2kg: Dispatched via trusted couriers including AMAZON Shipping, Royal Mail, DPD, and UPS.


Royal Mail Specifics: Royal Mail aims to deliver in 1–3 working days, though this is not guaranteed. If your item has not arrived after 7 days, please contact us. We can only replace missing items after 14 days have passed.


More information (including international delivery on our Delivery Information page.

Description

MAIN FEATURES

 

InCarTec 20-290 4CHP – 4-Channel RCA Ground Loop Isolator with Level Adjustment

 

Clean signal. Full control.


The InCarTec 20-290 4CHP is a 4-channel RCA ground loop isolator designed to eliminate hum, buzz, and interference in low-level audio systems. With built-in level adjustment, it allows precise matching between head unit outputs and amplifier inputs—ideal for multi-amp setups or full-range signal routing.

 

KEY FEATURES:

  • 4 RCA channels – Supports front and rear signal paths for full system coverage
  • Integrated ground loop isolation – Removes unwanted noise from low-level audio lines
  • Level adjustment dials – Fine-tune output levels for clean, balanced sound
  • Plug-and-play design – No external power required; fits inline with RCA cables
  • Versatile compatibility – Suitable for aftermarket and OEM audio systems

 

IDEAL FOR:

  • Multi-channel amplifier installations
  • Resolving interference in RCA-based setups
  • Matching signal levels across diverse audio components

 

 

MAIN FEATURES

 

InCarTec 20-290 4CHP – 4-Channel RCA Ground Loop Isolator with Level Adjustment

 

Clean signal. Full control.


The InCarTec 20-290 4CHP is a 4-channel RCA ground loop isolator designed to eliminate hum, buzz, and interference in low-level audio systems. With built-in level adjustment, it allows precise matching between head unit outputs and amplifier inputs—ideal for multi-amp setups or full-range signal routing.

 

KEY FEATURES:

  • 4 RCA channels – Supports front and rear signal paths for full system coverage
  • Integrated ground loop isolation – Removes unwanted noise from low-level audio lines
  • Level adjustment dials – Fine-tune output levels for clean, balanced sound
  • Plug-and-play design – No external power required; fits inline with RCA cables
  • Versatile compatibility – Suitable for aftermarket and OEM audio systems

 

IDEAL FOR:

  • Multi-channel amplifier installations
  • Resolving interference in RCA-based setups
  • Matching signal levels across diverse audio components

 

 

Shipping

UK Deliveries: Free UK mainland delivery applies to orders over £30 (exceptions apply to remote regions and islands, which will see a surcharge at checkout).


Orders Under 2kg: Most in-stock items arrive in 2–3 working days. Items held by suppliers take 4–6 working days. (Note: Saturday is not a working day).


Orders Over 2kg: Dispatched via trusted couriers including AMAZON Shipping, Royal Mail, DPD, and UPS.


Royal Mail Specifics: Royal Mail aims to deliver in 1–3 working days, though this is not guaranteed. If your item has not arrived after 7 days, please contact us. We can only replace missing items after 14 days have passed.


More information (including international delivery on our Delivery Information page.

0 Reviews
2026-01-01,2026-04-03,2026-04-06,2026-05-04,2026-05-25,2026-08-31,2026-12-25,2026-12-28,2027-01-01,2027-03-26,2027-03-29,2027-05-03,2027-05-31,2027-08-30,2027-12-27,2027-12-28,2028-01-03,2028-04-14,2028-04-17,2028-05-01,2028-05-29,2028-08-28,2028-12-25,2028-12-26