Best Isolation Transformers (Aug. 2026) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Isolation Transformer / Ground Loop Isolator

9.9
CPR Score
Top 2

24V 40VA Control Transformer Multi-Tap Isolation Transformer for HVAC Furnace...

9.8
CPR Score
Top 3

Victron Energy Isolation Transformer 2000W 115/230V

9.6
CPR Score
Tips


Our team has selected the top 30 best Isolation Transformers by analyzing and evaluating 271 products of different Industrial Electrical brands, including Generic, Victron Energy, HiLetgo, WUYELIN, MEAN WELL, Blue Jeans Cable, AEDIKO, MCM And Whirlwind, Still, Our editor rated and compared them on product features before you buy.

* CherryPicks.Reviews is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Isolation Transformers Rated by CherryPicks

Market Overview
Isolation Transformers Reviewed
  • Reviews Analyzed: 1,079 Items
  • CPR Avg. Rating: 8.5 / 10
30 Products Evaluated
  • Highest Price: $973.07
  • Lowest Price: $6.49
  • Avg. Price: $172.28
Price Disclaimer

Top 30 Isolation Transformers on Amazon (Verified You can Buy)

Top 1

Isolation Transformer / Ground Loop Isolator

MCM
4170
1.0 x 3.5 x 1.0 Inches

Ratings for MCM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Easytransactions -
RM Gadgets -
salefolks -
Top 2

24V 40VA Control Transformer Multi-Tap Isolation Transformer for HVAC Furnace, Primary Voltage 120/208/240V, Secondary Voltage 24V, with Foot Mount, Replacement for Models: 4031F, GT446, PF42440

JFJDSM

Ratings for JFJDSM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
JFJD -

Features

Versatile Voltage Range: Our 24V transformer supports primary voltages of 120/208/240 VAC with a reliable secondary output of 24 VAC, making it ideal for a wide variety of applications including HVAC systems, industrial controls, and air conditioning circuits
Effortless Installation: Designed with user convenience in mind, the transformer comes with clear wiring instructions and a practical foot mount design. This allows for quick and straightforward setup without the need for complicated wiring procedures
Show More
Top 3

Victron Energy Isolation Transformer 2000W 115/230V

Victron Energy
ITR040202041
4.33 x 8.43 x 14.76 inches
22.0462 pounds

Ratings for Victron Energy (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
EZ Energy -
Zentra, LLC 373
BrandCentric -

Features

Delivers up to 2000W of power, at either 115V or 230V.
Quiet and Efficient: Toroidal wound technology ensures low noise levels and high energy efficiency, even under continuous operation.
Show More
Top 4

Ground Loop Isolator - Cable TV Audio Isolation Transformer,Hum Buzz TV,Noise Eliminator.

JKJYSJ
Ground Loop Isolator
2.3 x 0.8 x 0.8 Inches
0.07 Pounds

Ratings for JKJYSJ (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
kubofushi -

Features

EXPERIENCING TV SIGNAL INTERFERENCE GENERATED AUDIO HUM BUZZ / NOISE AND HORIZONTAL SCROLLING BARS ? Then this is the product for you need.Our ground loop isolator made from premium materials, fits any 75 ohms coaxial (TV antenna or amplifier )and improves your signal, giving you crystal clear hdtv every time.
Isolator’s frequency range is 5-1000MHz ,suitable for IPTV installations utilizing HPNA or MoCA signaling over coaxial cable. Provides superior RF performance operating.
Show More
Top 5

Jianyiihuly Ground Loop Isolator - Cable TV Audio Isolation Transformer, TV/Noise Eliminator

Jianyiihuly
500826482
0.0783 pounds

Ratings for Jianyiihuly (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Taiyuanbangshangyunshangmaoyouxiangongsi -

Features

This interference can cause TV image distortion, , mesh patterns and sound distortion, etc., causing mosaics in the set-top box, and even damage to TV sets, set-top boxes and other electrical appliances. The isolation protector can the potential difference between the power grid and the cable TV network, improve the TV's viewing effect, and protect the safety of household appliances.
Application introduction: This product is suitable for high-voltage isolation between cable TV home cables and TV sets or set-top boxes. Cable TV cables usually share poles with power lines and telephone lines. After long-distance transmission, they may sense higher voltages, contact leaking wires, sense anti-thunder, and may be connected to electrical equipment with leakage in some users' homes.
Show More
Top 6

Control Transformer 24V 75VA, Multi-Tap 120/208/240V to 24VAC Industrial Power Transformer with Foot Mount for HVAC Furnace, Relays, and Gas Valves

WUYELIN
YLD-2475VA
1.0 Pounds

Ratings for WUYELIN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
WUYELIN -

Features

AC primary voltage inputs, accommodating various power supply configurations. Compatibility: Transformers can be used in industrial, heating and air conditioning controls including air conditioning circuits, relays and gas valves or other applications up to the listed ratings
EASY INSTALLATION: Features color-coded primary and secondary leads for straightforward wiring and a foot mount design for secure attachment.
Show More
Top 7

ZHENGXI Isolation Transformer 120V to 120V,1000W Transformer Voltage Converter, HD Display, No Niose, 2 Output Sockets

ZHENGXI
GBK-1000W

Ratings for ZHENGXI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ZHENGXI -

Features

1000W Isolation Transformer 120v to 120v: This isolation transformer can effectively filter out noise, improve sound quality, reduce distortion, and purify the power supply
HD Display:Intelligent LCD display, clearly show the working status
Show More
Top 8

N-68X Isolation Transformer Compatible with Triad Magnetics, Chassis Mount Transformer, Secondary Voltages:115V, Power Rating:50Va, Dual Primary, Single Secondary, 435Ma

Generic
240808

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
The Capacitor Store -

Features

Isolation Transformer
Chassis Mount
Show More
Top 9

Subwoofer Isolation Transformer/Ground Loop Hum Eliminator, Blue Jeans Cable Brand, Made in USA

Blue Jeans Cable
AWT1

Ratings for Blue Jeans Cable (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Blue Jeans Cable -

Features

Will resolve the most common cause of subwoofer hum: ground loop between sub and source.
Subwoofer hum can be caused by other factors. If those other factors are the cause, then this will not solve the problem.
Show More
Top 10

24V 40VA HVAC Control Transformer - Multi-Tap Isolation Transformer, Primary Voltage 120/208/240V, Secondary Voltage 24V, Foot Mount, Compatible Replacement for Models 4031F, GT446, PF42440

WSVOLLIS
24V

Ratings for WSVOLLIS (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HTYCXSY -

Features

Versatile Voltage Range: Our 24V transformer supports primary voltages of 120/208/240 VAC with a reliable secondary output of 24 VAC, making it ideal for a wide variety of applications including HVAC systems, industrial controls, and air conditioning circuits
Effortless Installation: Designed with user convenience in mind, the transformer comes with clear wiring instructions and a practical foot mount design. This allows for quick and straightforward setup without the need for complicated wiring procedures
Show More
Top 11

Current Transformer, 60 Hz

Mega Cap
MGT2412DV
0.0006 Pounds

Ratings for Mega Cap (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SafeGuard Designs -
Power Supply Center -
Top 12

4pcs WAT19 High Efficiency Audio Isolation Transformer EI-19 6 Turns Ratios (Typical 1:1)

WONDOM
WAT19
0.1653 pounds

Ratings for WONDOM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Sure Electronics -

Features

AC Impedance: Typical 1:1
High Quality: Premium materials, ample pass-band, high primary inductance and low leakage inductance for significantly reduced hysteresis loss.
Show More
Top 13

HiLetgo 5pcs EI14/EI-14 Audio Coupling Isolation Transformer Audio Transformer 600:600 1:1

HiLetgo
3-01-1453
0.0595 pounds

Ratings for HiLetgo (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HiLetgo 5,476

Features

Advantages:high pressure and stable performance
AC impedance : EI14 600 : 600 Ohm
Show More
Top 14

TRIAD MAGNETICS - N-51X - ISOLATION TRANSFORMER

Triad Magnetics
N-51X

Ratings for Triad Magnetics (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Volna10 -
Top 15

B&K Precision 150VA Isolation Transformer, Input Voltage: 120VAC, Output Voltage: 117 to 124VAC

CAI - B&K PRECISION
B07J2WW9KX
5.5 x 4.0 x 4.0 Inches
0.0006 Pounds

Ratings for CAI - B&K PRECISION (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
DIY Premium Supplies -
Top 16

Balanced and Unbalanced Conversion Audio Isolator for Permalloy Audio Isolation Transformer 600:600 20Hz-20KHz

GODIYMODULES
B0DQGBYFN1
0.8661 x 0.8661 x 0.8661 inches

Ratings for GODIYMODULES (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
DIY-Module -

Features

600:600 audio isolation transformer uses for EE19 Pomor alloy sheets with a content of over 80%, high-purity oxygen-free copper wire, which enables excellent isolation and conversion of audio signals. It can filter and eliminate AC noise interference,, improve sound, and make the sound become round, pure, and delicate.
The response frequency is extremely wide, and the spectrum curve is flat. After adding this transformer to the circuit, the longitudinal depth of the sound field significantly increases, making it very resistant to hearing and instantly improving the sound quality.
Show More
Top 17

hiBCTR 10-Pack EI-14 Audio Isolation Transformers – 600Ω 1:1 Coupling for Hi-Fi/PA Systems​

hiBCTR
H1-HBB0187-10

Ratings for hiBCTR (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
XKD store -

Features

​High Voltage Stability​​ – Ensures reliable performance under electrical stress with minimal signal distortion.
1:1 AC Impedance Ratio (600Ω:600Ω)​​ – Balanced coupling for noise-free audio isolation in Hi-Fi and PA systems.
Show More
Top 18

ZHENGXI Isolation Transformer 120V to 120V, 500W Audio Voltage Converter, HD Display, No Niose, 2 Output Sockets

ZHENGXI
GBK-500W

Ratings for ZHENGXI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ZHENGXI -

Features

500W Isolation Transformer 120v to 120v: This isolation transformer can effectively filter out noise, improve sound quality, reduce distortion, and purify the power supply
HD Display:Intelligent LCD display, clearly show the working status
Show More
Top 19

ZHENGXI Isolation Transformer 120V to 120V,2000W Voltage Converter, HD Display, No Niose, 2 Output Sockets

ZHENGXI
GBK-2000W

Ratings for ZHENGXI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ZHENGXI -
Amazon Resale -

Features

2000W Isolation transformer 120v to 120v: This isolation transformer can effectively filter out noise, improve sound quality, reduce distortion, and purify the power supply
Purify the power supply and filter harmonics:Effectively filter most of the harmonics in the current to achieve the effect of purifying the power supply and restoring the waveform of electricity.
Show More
Top 20

Tripp Lite IS1000HG Isolation Transformer 1000W Medical Surge 120V 4 Outlet TAA GSA

TRIPP LITE
IS1000HG
13.5 x 11.0 x 10.5 Inches
37.2 Pounds
  • Original Language: English

Ratings for TRIPP LITE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Complete line isolation, noise filtering and surge suppression; ideal for sensitive equipment
1000 watts, 4 5 15R HG hospital outlets, 10 feet power cord with NEMA 5 15P HG plug
Show More
Top 21

AEDIKO 10pcs EI-14 Audio Transformer High Efficiency Audio Isolation Transformers 1:1 600:600 Ohm for Voltage Amplification and Power Output

AEDIKO
EI14 600 : 600
0.1102 Pounds

Ratings for AEDIKO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Aediko US -

Features

Model:EI-14
AC Impedance: 600 : 600 Ohm
Show More
Top 22

AEDIKO 10pcs EE-14 Audio Transformer High Efficiency Audio Isolation Transformers 1080 : 1080 Ohm for Voltage Amplification and Power Output

AEDIKO
EE14 1080 : 1080

Ratings for AEDIKO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Aediko US -

Features

Audio Transformer: Model:EE-14
AC Impedance : 1300 : 8 Ohm; Frequency Type: High Frequency
Show More
Top 23

Down Transformer 550W 120V: 100V NDF-550U by Nissyo Kogyo

NISSYO
NDF-550U
4.33 x 3.94 x 3.23 Inches
2.2046 Pounds

Ratings for NISSYO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Pirula -
N-joy market -
Udix -
Craft and Sound Hub (Duties Paid) 9,196

Features

Size : 71 x 97 x 85mm
Weight : 1.6kg
Show More
Top 24

Jameco Valuepro GRP-1200 Transformer, Isolation, Benchtop, 120 VAC, 4A, 60Hz, 450VA, 8.86" L x 6.10" W x 4.33" H

MEAN WELL
GRP-1200

Ratings for MEAN WELL (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Jameco Electronics -

Features

Product type: Power transformer | Primary side voltage: 110 VAC | Primary side current: 14 Amps | Primary side frequency: 50 to 60 Hz | Secondary side voltage: 110 VAC | Secondary side current: 7 Amps | Size: 8.86"L x 6.10"W x 4.33"H
Direct fuse: 110 VAC, 14A | Direct AC #1: 110 VAC, 60 Hz, 900 VA | Direct AC #2: 110 VAC. 60 Hz, 900 VA | Input: 110 VAC, 60 Hz, 1800 VA
Show More
Top 25

10PCS Audio Transformer 600:600 Ohm 1:1 EI14 Audio Isolation Transformer

GODIYMODULES
EI14

Ratings for GODIYMODULES (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
DIY-Module -

Features

10PCS Audio Transformer 600:600 Ohm 1:1 EI14 Audio Isolation Transformer
Audio Isolation Transformer
Show More
Top 26

4pcs WAT14 High Efficiency Audio Isolation Transformer EI-14 600Ω:600Ω Noise Elimination

WONDOM
WAT14 600Ω : 600Ω
0.57 x 0.61 x 0.71 Inches
0.1565 Pounds

Ratings for WONDOM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Sure Electronics -

Features

AC Impedance:600Ω:600Ω Voltage ratio: 1:1
High Quality: Premium materials, ample pass-band, high primary inductance and low leakage inductance for significantly reduced hysteresis loss.
Show More
Top 27

Whirlwind ISOXL Line-Level Isolation Transformer, 3-Pin XLR Male/Female Connectors

Whirlwind
ISOXL
3.0 x 8.0 x 10.0 Inches
0.0006 pounds

Ratings for Whirlwind (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Yejey Audio -

Features

Whirlwind ISOXL Line-Level Isolation Transformer - Whirlwind Lifetime Warranty
Connectors: 1 x 3-Pin XLR Male1 x 3-Pin XLR Female
Top 28

Tripp Lite IS1800HG Isolation Transformer 1800W Medical Surge 120V 6 Outlet TAA GSA

TRIPP LITE
IS1800HG
8.252 x 12.248 x 7.7401 inches
55.2 Pounds
  • Original Language: English

Ratings for TRIPP LITE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Neobits_ -
UNIQUEPOS LLC -

Features

Complete line isolation, noise filtering and surge suppression; ideal for sensitive equipment
1800 watts, 6 5-15R-HG hospital outlets, 10-ft. power cord with NEMA 5-15P-HG plug
Show More
Top 29

Victron Energy Isolation Transformer 3600W 115/230V

Victron Energy
ITR040362041
8.5787 x 10.1575 x 14.248 inches
48.8853 pounds

Ratings for Victron Energy (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
BrandCentric -
Jonsson Tech -
Inverters-R-US -

Features

Delivers up to 3600W of power, at either 115V or 230V.
Quiet and Efficient: Toroidal wound technology ensures low noise levels and high energy efficiency, even under continuous operation.
Show More
Top 30

AEDIKO 10pcs EE-14 Audio Transformer High Efficiency Audio Isolation Transformers 1300 : 8 Ohm for Voltage Amplification and Power Output

AEDIKO
EE14 1300 : 8
0.1102 Pounds

Ratings for AEDIKO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Aediko US -

Features

Model:EE-14
AC Impedance : 1300 : 8 Ohm
Show More

Top 10 Isolation Transformers - Verified to Buy (August 2026)

Top 10 Isolation Transformers Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • MCM
  • JFJDSM
  • Victron Energy
  • JKJYSJ
  • Jianyiihuly
  • WUYELIN
  • ZHENGXI
  • Generic
  • Blue Jeans Cable
  • WSVOLLIS

Top 9 Isolation Transformers Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 Zentra, LLC 104,763 4.9
🥈 HiLetgo 12,117 4.8
🥉 Craft and Sound Hub (Duties Paid) 7,384 4.8
4 Blue Jeans Cable 5,435 4.9
5 UNIQUEPOS LLC 4,636 4.8
6 Inverters-R-US 3,945 4.8
7 Easytransactions 3,918 4.9
8 Jameco Electronics 3,447 4.7
9 BrandCentric 2,851 4.8
View or download top Isolation Transformers seller & rating report
Zentra, LLC [104763] HiLetgo [12117] Craft and Sound Hub (Duties Paid) [7384] Blue Jeans Cable [5435] UNIQUEPOS LLC [4636] Inverters-R-US [3945] Easytransactions [3918] Jameco Electronics [3447] BrandCentric [2851] Zentra, LLC 71% HiLetgo 8% Craft and Sound Hub (Duties Paid) 5% Blue Jeans Cable 4% UNIQUEPOS LLC 3% Inverters-R-US 3% Easytransactions 3% Jameco Electronics 2% BrandCentric 2%

[Get] Isolation Transformers Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.

When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime Isolation Transformers Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Industrial Electrical supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Isolation Transformers to buy for new August 2026?

CherryPicks’s Methodology for Evaluating Isolation Transformers

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Industrial Electrical items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 271 of Isolation Transformers reviews based on our selection criteria. It helped us shortlist the top qualified and rated Isolation Transformers for Industrial Electrical, We found that most customers choose Isolation Transformers with an average price of $172.28, and the top brands are Generic, Victron Energy, HiLetgo, WUYELIN, MEAN WELL, Blue Jeans Cable, AEDIKO, MCM And Whirlwind

Then our expert-level editors reviewed all those quality items and selected the top 30 Isolation Transformers for you, We have researched hundreds of sellers and picked the top sellers for Industrial Electrical, including Amazon Resale, Zentra, LLC, HiLetgo, Craft and Sound Hub (Duties Paid), Blue Jeans Cable, UNIQUEPOS LLC, Inverters-R-US, Easytransactions, Jameco Electronics, BrandCentric, The Capacitor Store And N-joy market. The Isolation Transformer / Ground Loop Isolator are available for purchase right now, and The seller of #1 rank product has received honest feedback from 178 consumers with an average rating of 4.4.

We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick Isolation Transformers to buy.


Written By Brandi W. Cortright

Brandi is a woman in tech who loves to write about the electronics and gadgets she has used. On this site, she would be providing you unbiased reviews of electronics as they are released into the market to make you know what to expect before making a purchase.