The Grundig TENS stimulation current therapy device is a certified medical product for targeted pain relief and muscle relaxation. With a total of 50 different programs in three different modes (TENS, EMS, Fitness) and 16 intensity levels as well as three different timer settings, the user can specifically address their individual needs. The option of controlling two channels, each with two electrodes separately, allows flexible use. The self-adhesive gel pads make handling easier and the rechargeable lithium-ion battery saves costs.
Advantages
✅ Versatile application options
✅ user-friendly
✅ Certified medical device
✅ Self-adhesive electrodes
Disadvantages
❌ Lack of detailed instructions
The test
General information
We took a close look at and tested the product in a practical test. In the following, we take a closer look at the features and impressions. From the packaging, materials and quality to the range of functions and handling, the product is subjected to our test procedure.
To give you a quick overview, we work with a points system. The maximum achievable score per area is 100 points. The final overall score is calculated from the average of all tested features, taking into account the respective weighting. For a detailed insight into our comprehensive evaluation process, which forms the basis of all our product ratings, please click here.
The first impression
Packaging and contents
ℹ️ Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?
| Criterion | Remark | Score achieved* |
|---|---|---|
| Product protection | Carton is sturdy, product sufficiently protected | 100 points |
| Sustainability Packaging | No unnecessary packaging waste, but use of plastic | 80 points |
| Package contents & scope | TENS stimulation current therapy device, 4x electrode pads, 2x electrode cable, charging cable, travel case | 100 points |
| Instructions for use | Trilingual, inaccurate in parts | 80 points |
| Total | 90 points |
*The maximum score is 100 points
The TENS stimulation current therapy device is carefully packaged. The sturdy cardboard box offers sufficient protection during transportation. Although unnecessary packaging waste has been avoided, the use of plastic film could possibly be a point of criticism for some consumers. In addition to the TENS stimulation current therapy device, the product packaging contains four electrode pads, two electrode cables, a charging cable and a travel case. It also comes with operating instructions in German, Dutch and English, although some of the explanations are too vague.
Packaging
The first time in your hand
Product processing and appearance
ℹ️ Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?
| Criterion | Remark | Score achieved* |
|---|---|---|
| Visual appearance | Attractive design | 100 points |
| Processing | Very good workmanship | 100 points |
| Stability | Stable and robust | 100 points |
| Sustainability of the product | No information on sustainability, but high-quality materials, satisfaction guarantee | 80 points |
| Total | 95 points |
*The maximum score is 100 points
Unboxing
The TENS stimulation current therapy device is characterized by an appealing, timeless design. The workmanship is very good, with no visible defects such as scratches, dents or unclean transitions. The materials used appear stable and make a robust impression. Although no explicit information is given on the sustainability of the product, the high-quality workmanship suggests a certain longevity. The manufacturer also offers a satisfaction guarantee.
This is what our practical test showed
Does the manufacturer keep its advertising promises?
ℹ️ Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.
| Criterion | Remark | Score achieved* |
|---|---|---|
| User friendliness | Handy, easy to use, large display, self-adhesive gel pads | 100 points |
| Program diversity | 20 TENS modes, 20 EMS modes, 10 fitness modes, 16 intensity levels | 100 points |
| Effectiveness | Pain relief, muscle relaxation | 100 points |
| Security | Certified medical device, electrode pads in accordance with ISO standards | 100 points |
| Additional functions | Lithium-ion battery, two separately controllable channels, adjustable timer | 100 points |
| Total | 100 points |
*The maximum score is 100 points
The TENS stimulation current therapy device is handy and easy to use. The large display provides a clear overview of all functions. The self-adhesive gel pads make it even easier to use. With a total of 50 different programs in three different modes (TENS, EMS, fitness) and 16 intensity levels, the user can specifically address their individual needs. The option of separately controlling two channels with two electrodes each makes the device flexible to use. Numerous options are available, from relieving aching muscles to relaxing muscle cramps and building muscle . The adjustable timer also allows the duration of treatment to be adjusted. The manufacturer emphasizes the certification as a medical device and compliance with ISO standards for the electrode pads. This is reflected in the safety of the device. The lithium-ion rechargeable battery not only saves costs by eliminating the need for batteries, but can also be recharged quickly using the USB cable supplied .
in a practical test
Price/performance ratio
and ratings from consumers
ℹ️ Finally, we examine how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.
| Criterion | Remark | Score achieved* |
|---|---|---|
| Price / performance ratio | Very good performance in the lower price segment | 90 points |
| Rating cut | 4.4 out of 5.0 on Amazon | 70 points |
| Total | 80 points |
*The maximum score is 100 points
On the Amazon platform, customers rate the product with an average of 4.4 stars. Some criticize the lack of a detailed product description and that the intensity gradation is too coarse. However, most customers appreciate the effectiveness and versatility of the programs.
Prices of over €300 are charged on the Internet for equivalent products. Very inexpensive products are available from as little as €13 . The TENS stimulation current therapy device from GRUNDIG is therefore currently in the lower price segment with a price of €39.97. For the quality and performance received, the price-performance ratio is very good.
Overall result
| Weighting | Score achieved* | |
|---|---|---|
| 1. packaging & contents | 20% | 90 points |
| 2. product processing & appearance | 20% | 95 points |
| 3. in the practical test | 45% | 100 points |
| 4. price/performance & consumer ratings | 15% | 80 points |
| Total | 94 points |
The TENS stimulation current therapy device of the GRUNDIG brand was rated with an overall score of 1.3 and thus successfully qualified for our test seal. The test was carried out in the test period 11/23 and is stored in our database under the license number 231106012 . Further information on our test procedure can be found at www.pruefengel.de/testverfahren.
Test result:
1,3
