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Best Dual Channel TENS units & EMS machines (UK) - Buying Guide: 2024

The effectiveness of electrostimulation for the treatment of ailments caused by various disorders, as well as for the conditioning of muscle tissue, has given rise to the existence of a wide variety of devices with different characteristics that offer various ranges of effectiveness when applying electrotherapy treatments. Among the most common models are the over-channel electrostimulation devices.

These stimulators offer the user a greater coverage of the treated areas, maximizing the range of effectiveness of the treatment. Below, we will show you all the criteria you should take into account when acquiring a dual-channel electrostimulator, as well as the applications it can have depending on its characteristics.

Best dual-channel electrostimulators and TENS machines

Compex FIT 5.0 - Wireless TENS & EMS Muscle stimulator Combo with 2 channels, 2 electrodes with 30 programmes
  • Type: Combo
  • Channels: Dual
  • Modes/Programs: 30 Programs
  • Intensity: Not specified
  • Wireless: Yes
  • Heat Therapy: No
  • Battery: Rechargeable
  • Electrodes: 2 pads
  • Display: Digital
  • Size: Not specified
  • Improves blood circulation
  • TENS+EMS combo
  • Wireless electrodes
  • Accelerates recovery from sports injuries
  • Includes user manual
  • Does not specify measurements and weight
  • Few electrodes
  • No intensity levels specified
The Compex Fit 5.0 is designed especially for fitness fanatics who train daily. It is provided with 2 very complete stimulation modules, along with the possibility of adding two new modules to increase the effectiveness of the results. Its combination of TENS and EMS modalities will allow you to develop your body's musculature, while helping you to relax and relieve fatigue-related aches and pains.

It uses wireless technology to provide a comfortable massage experience, and makes use of MI technology for faster results, greatly enhancing the effectiveness of the treatment. While it is largely focused on fitness, for which it has 14 programs, it also pays attention to rehabilitation and pain relief, as it also has 10 programs for ailment relief, 4 recovery massage programs, and 2 rehabilitation programs.

Med-Fit - Dual Channel TENS Machine for Pain Relief and Pain Management Therapy
  • Type: TENS
  • Channels: Dual
  • Modes/Programs: 3 Modes
  • Intensity: Not specified
  • Wireless: Yes
  • Heat Therapy: No
  • Battery: 2 AA Batteries
  • Electrodes: 16 Pads
  • Display: No display
  • Size: Not specified
  • Includes user manual
  • Reduces pain symptoms
  • Improves joint mobility
  • Improves blood circulation
  • Accelerates recovery from sports injuries
  • No intensity levels specified
  • Does not specify measurements and weight
  • Display not included
The Med-Fit TENS unit is presented as the most viable and sophisticated option for the treatment of ailments of any kind, thanks to its innovative dual-channel function that allows you to treat the symptoms of diseases such as sciatica, arthritis, and muscle injuries in different areas of the body simultaneously.

Its electrostimulation method allows you to relieve chronic ailments through the application of mild electrical stimuli that inhibit pain signals and stimulate the production of endorphins. The best results are obtained when using this unit for 60 to 90 minutes. The use of this device is widely recommended because it does not interfere with any medical treatment and is completely safe.

AUVON - Dual Channel TENS Pain Relief Machine with 20 Modes and 8 Pads
  • Type: TENS
  • Channels: Dual
  • Modes/Programs: 20 Modes
  • Intensity: 20 Levels
  • Wireless: Yes
  • Heat Therapy: No
  • Battery: Rechargeable Lithium (up to 10 hours)
  • Electrodes: 8 Pads
  • Display: Digital
  • Size: Not specified
  • Accelerates recovery from sports injuries
  • Improves blood circulation
  • Rechargeable battery
  • Portable and small size
  • Includes user manual
  • Does not specify measurements and weight
  • Not suitable for muscle hypertrophy
  • No heat therapy
AUVON has for its users one of the most versatile electrostimulation devices on the market, which has the most advanced TENS technology, through which you can treat any muscle or nerve ailment in a completely natural and safe way. It has an innovative dual channel function with which you can treat different parts of the body using different settings for each channel.

It has 20 pre-programmed massage modes and 20 intensity levels, plus a session timer which you can set up to a maximum of 60 minutes. Additionally, it is powered by an internal lithium battery that allows continuous use for more than 10 hours. The package contains 1 AUVON electrostimulator, 12 TENS pads, 2 guide cables, 1 USB cable, 1 carrying case and 1 user guide.

Patterson Medical - Dual Channel TENS Machine with self-adhesive electrodes for pain relief
  • Type: TENS
  • Channels: Dual
  • Modes/Programs: 3 Modes
  • Intensity: Not specified
  • Wireless: Yes
  • Heat Therapy: No
  • Battery: Battery
  • Electrodes: 4 Pads
  • Display: No display
  • Size: Not specified
  • Includes carrying bag
  • Includes user manual
  • Improves joint mobility
  • Accelerates recovery from sports injuries
  • Reduces pain symptoms
  • Battery type not specified
  • No size and weight specified
  • No intensity levels specified
The Patterson Medical Premier Plus electrostimulation unit is one of the most complete and functional devices you can find, thanks to its simple design focused on ease of use and its great versatility when applying TENS electrostimulation, it is designed with an analog operation system that makes it considerably easier for anyone to use it.

Its incredible dual channel function allows you to set different modes of use for dual channels A and B, so you can massage separate areas of the body simultaneously. Its compact size makes it incredibly portable, and it includes a belt clip that allows you to use your electro stimulator whenever and wherever you want.

NURSAL - DUAL CHANNEL TENS+EMS MACHINE WITH 24 MODES AND 12 RECHARGEABLE BATTERY PADS
  • Type: Combo
  • Channels: Dual
  • Modes/Programs: 24 Modes
  • Intensity: 20 Levels
  • Wireless: Yes
  • Heat Therapy: No
  • Battery: Rechargeable Lithium (up to 10 hours)
  • Electrodes: 12 Pads
  • Display: Digital
  • Size: Not specified
  • Includes carrying bag
  • TENS+EMS Combo
  • Improves joint mobility
  • Portable and small size
  • Includes user manual
  • Does not specify measurements and weight
  • No touch screen included
  • No heat therapy
NURSAL brings to its users its dual channel TENS electrostimulation unit, designed for the treatment of any type of ailments and muscle stimulation, which has 24 modes of use designed to provide different types of massages to treat a wide variety of ailments, whether caused by illness or injury.

You will be able to set separate modes of use for each of the two channels, so that you can apply the electrical impulses at the required frequency and intensity for different parts of the body. It also has an adjustable timer that will allow you to program your sessions between 10 and 60 minutes, and its integrated lithium battery will provide uninterrupted treatment for more than 20 hours.

EOSVAP - Dual channel TENS & EMS machine with 16 modes and 8 pads
  • Type: Combo
  • Channels: Dual
  • Modes/Programs: 16 Modes
  • Intensity: 20 Levels
  • Wireless: Yes
  • Heat Therapy: No
  • Battery: Rechargeable Lithium
  • Electrodes: 8 Pads
  • Display: Digital
  • Size: 350 gr
  • Includes user manual
  • Prevents muscle atrophy
  • Improves blood circulation
  • Rechargeable battery
  • TENS+EMS Combo
  • No size specified
  • Battery life not specified
  • Transport bag not included
EOSVAP has a versatile dual-channel electrostimulator with 16 TENS massage modes, through which you can treat a wide range of ailments, regardless of whether they are caused by injury or illness. It is one of the best options to treat the symptoms of arthritis, sciatica, cramps and muscle pain.

Its independent control function allows you to set separate modes of use for channels A and B, so that each applies a different type of massage to each region of the body being treated, adapting to your needs. It is one of the most practical and compact models you can find, so you can take it with you and use it whenever you want.

Easy@Home - Dual channel TENS & EMS machine with 16 modes and 4 electrode pads
  • Type: Combo
  • Channels: Dual
  • Modes/Programs: 16 Modes
  • Intensity: 20 Levels
  • Wireless: Yes
  • Heat Therapy: No
  • Battery: Rechargeable Lithium (up to 10 hours)
  • Electrodes: 4 Pads
  • Display: Digital
  • Size: Not specified
  • Rechargeable battery
  • Accelerates recovery from sports injuries
  • Includes user manual
  • Reduces pain symptoms
  • Improves blood circulation
  • Transport bag not included
  • Does not specify measurements and weight
  • No heat therapy
Twenty intensity levels can be selected independently for each output to meet different massage needs, whether for leisure or sport. Two independent channels control the electrode pairs, so that two channels of the electric massager can be used simultaneously on different parts of the body. Includes high quality adhesive electrodes (replacement electrodes sold separately)

This combination device is ideal for pain relief and can also be used as a massager to relieve persistent tension. It is a non-pharmacological alternative to relieve pain and tension for people suffering from muscular, chronic, nerve and even some acute pain. For those who wish to tone and firm their muscles, the EMS mode of the device stimulates the muscles and improves their performance. For sedentary people, the device promotes local blood circulation.

JUMPER - Dual channel TENS machine with 5 programmes and 4 electrode pads
  • Type: TENS
  • Channels: Dual
  • Modes/Programs: 5 Programs
  • Intensity: 15 Levels
  • Wireless: Yes
  • Heat therapy: No
  • Battery: 4 AAA Batteries
  • Electrodes: 4 Pads
  • Display: Digital
  • Size: Not specified
  • Includes user manual
  • Reduces pain symptoms
  • Improves joint mobility
  • Portable and small size
  • Good quality
  • Does not specify measurements and weight
  • No carrying bag included
  • Few types of programmes
The muscle stimulator sends an electric current through wires to electrodes on the skin and helps relieve body pain; improves sports injuries, arthritis and sciatica; stimulates muscles, improves blood circulation, relieves fatigue, improves immunity and sleep quality. 10 intensity levels allow precise adjustment of pulse amplitude and frequency, allowing optimal and sensitive control for pain relief; a pre-programmed timer can set a preset duration from 5 to 90 minutes.

The therapeutic device can be used by two users at the same time or by one user to relieve two locations. Treatment intensity is guaranteed at all times. It has 5 treatment modes (massage, acupuncture, tapping, scraping and cupping) to choose from to relieve headache, leg pain, shoulder pain, joint pain, stomach pain, hip pain and leg pain. Automatic treatment interruption, alarm if the electrode falls off.

ROOTOK - Dual channel TENS machine with 16 modes and 8 electrode pads
  • Type: TENS
  • Channels: Dual
  • Modes/Programs: 16 Modes
  • Intensity: 20 Levels
  • Wireless: Yes
  • Heat Therapy: No
  • Battery: Rechargeable Lithium (up to 10 hours)
  • Electrodes: 8 Pads
  • Display: Digital
  • Size: Not specified
  • Improves joint mobility
  • Carrying bag included
  • Rechargeable battery
  • Includes user manual
  • Reduces pain symptoms
  • Not suitable for muscle hypertrophy
  • Does not specify measurements and weight
  • Does not include touch screen
ROOTOK is a two-channel TENS unit, perfect for relieving and massaging all types of chronic pain: ideal for back pain, sciatica, knees and any other joint pain. The 16 pre-programmed massage modes and 20 intensity levels allow you to precisely adjust the amplitude and frequency of the impulses.

The backlit LCD digital display makes the screen clear and easy to read. Supplied with 8 high quality TENS electrode pads. Recharges via computer (USB cable included). Comes with detailed instructions and a TENS user manual containing guidelines for applying the electrodes to the TENS unit. Lightweight and robust.

OSITO - Dual channel TENS and EMS massager with 25 modes, 50 intensities and 10 pads
  • Type: Combo
  • Channels: Dual
  • Modes/Programs: 25 Modes
  • Intensity: 50 Levels
  • Wireless: Yes
  • Heat Therapy: No
  • Battery: Rechargeable Lithium (up to 10 hours)
  • Electrodes: 10 Pads
  • Display: Digital
  • Size: Not specified
  • Rechargeable battery
  • Prevents muscle atrophy
  • Portable and small size
  • Improves joint mobility
  • TENS+EMS Combo
  • Does not specify dimensions and weight
  • Transport bag not included
  • Touch screen not included
A perfect combination of TENS and EMS massager. Massages a wide area of the body with a dual output design that sends electrical impulses through electrode pads placed on the skin. To relieve pain in back, knees, shoulders, ankles, neck, wrists and elbows, relieve fatigue and stimulate muscles, improve blood circulation, strengthen the immune system and improve sleep quality.

The 50-level intensity allows you to explore for another unique experience, while the preset timer can be easily adjusted from 5 to 60 minutes. Safe enough to relax at home or in the office. Hydrogel with multi-layer technology, reusable 70 to 110 times when used correctly. Built-in rechargeable lithium battery, 10 hours continuous use after a full charge with USB cable.

Video: How to use electrotherapy to improve my health?

Types of TENS machines and muscle electrostimulators that you should know

Buying guide: What should I take into account to buy the best electro stimulator with 2 channels?

Dual-channel electrostimulators provide a wide variety of benefits thanks to their ability to cover a larger surface area of the skin, extending the area of effectiveness of the therapy. However, each ailment is different and its characteristics vary in relation to factors such as its origin, so it is necessary to take into account certain criteria to select the one that best suits your needs.

Types of uses

  • Type of use: the uses that can be given to electrotherapy are very varied, and can range from pain relief and muscle relaxation to physical conditioning and post-surgical rehabilitation. These uses are factors to consider when selecting an electro stimulator.
  • User experience: the variety of existing devices gives rise to machines with a large number of modalities, functions, intensity levels and modes of use, so it is necessary to take into account the user's experience using this type of device, to determine which brand and model offers adequate ease of use.
  • Time of use: this is an important factor when determining the durability you need from your electrostimulator, since it may be necessary for prolonged periods of time, in cases such as the treatment of chronic ailments.

Technical characteristics

  • Channels: this type of electro-stimulator has two transmission channels, to which the cables are connected, which in turn are connected to the electrodes.
  • Pads/Electrodes: two-channel devices can accommodate a maximum of four cables, allowing up to eight pads to be attached.
  • Modes/Programs: the number of programs available on the devices determines their range of effectiveness and the variety and types of ailments that can be treated by this means of this technique.
  • Intensity levels: this is directly related to the programs, as each program can have several intensity levels. This is a factor to take into account when selecting an electrostimulator model, since a greater number of levels allows for a deeper reach of the electrical taxes.
  • Type of screen: the most advanced electrostimulators have touch screens that allow greater ease of use and better visualization of programs and levels. It is a factor to take into account, but not a determining factor, since devices with analog screens offer very similar performance.
  • Wireless: this is a factor that depends entirely on the buyer's needs according to the portability of the device.
  • Heat therapy: although not all electro-stimulators have this feature, it is useful to take it into account due to its great effectiveness in the treatment of rheumatic ailments.
  • Size: the size of the device plays a crucial role in determining its viability, although it is a subjective factor that depends entirely on the buyer's need. Larger electrostimulators are very useful for a wide variety of therapies, as opposed to their poor portability.
  • Portable: depending on the routine and objectives of the buyer, it is necessary to take into account the portability of the device, as well as the space it occupies on the user's person, so that it does not interfere with daily tasks and allows quick access to electrostimulation.
  • Types of electrodes pads: depends largely on the brand and model of the device. The most expensive ones use their own electrodes and can only be replaced in specialized stores. While other lower quality electro stimulators are compatible with universal pads.
  • Type of battery: two-channel electro-stimulators can come with rechargeable or AA batteries. This feature influences the price of the devices, since although lithium batteries are more expensive, it allows saving on future expenses when acquiring new AA batteries.
  • Reprogrammed timer: this is a very useful feature, although not indispensable for the operation of the stimulator. It allows a more precise management of the duration of each session.
  • Combo: the highest quality devices have both Transcutaneous Electrical Nerve Stimulation and Muscle Electrostimulation functions. Devices with both features usually have a higher price.
  • Interferential: this is an uncommon feature in most electrostimulators. Although it is very useful, the devices that have it usually have a higher price.
  • Warranty: in general, the minimum legal warranty period in Europe is two years.
  • Price: this factor mainly depends on the economic capacity of the buyer, although it is not a determining factor as long as the device meets the requirements.

Differences between TENS and EMS: Which one is better for me?

In order to correctly apply any type of electrostimulation therapy, it is necessary to keep in mind that both TENS and EMS are oriented to different purposes, so a clear distinction must be made between the uses of each of these electrotherapy modalities.

TENS units

  • Treatment of acute ailments: it is an excellent method for treating recent pain, since its electrical impulses quickly inhibit the sensation of pain in the affected area.
  • Treatment of chronic pain: prolonged treatment with TENS electrostimulation presents a gradual decrease in chronic pain.
  • Muscle relaxation: its electrical discharges promote the relaxation of fibrous tissue, decreasing muscle tension and reducing the sensation of pain.
  • Pain caused by hormonal imbalances: TEN therapy is very useful in relieving the sensation of pain caused by hormonal conditions such as endometriosis or dysmenorrhea.
  • Pain caused by rheumatic diseases: it is an option to consider for the treatment of ailments such as those caused by rheumatoid arthritis, sciatica or gout.

EMS electrostimulators

  • Muscle toning: the electrical impulses generate contractions that improve the elasticity and resistance of the muscle fibers worked.
  • Maintaining and resuming physical activity: it is an excellent option for maintaining physical activity when it is not possible to perform complete exercises or to recover muscle condition after a prolonged period of sedentary lifestyle.
  • Rehabilitation of the musculature after injuries: it is widely used in the field of physiotherapy to recondition a muscle or muscle group that has gone through its recovery period after a surgical process or an injury.
  • Increased recovery of muscle tissue: the activation of muscle groups caused by the high intensity electrical impulses of EMS promotes the recovery of muscle fibers.

Contraindications for the use of dual channel TENS and EMS machines

Contraindications for electrode placement

The placement of the electrodes is of utmost importance in electrotherapy, whether TENS or EMS, so here are some things to keep in mind before starting a session:

  • Symmetrical placement: the negative and positive poles of each electrode should be connected symmetrically. That is to say, if we use two pads, we should use one positive and one negative pole on each one, while if we use four, the equivalence should be two positive and two negative.
  • Do not cross the electrodes: you cannot use one electrode in the lower train and another in the upper train and more importantly, never cross the electrodes from the left side to the right side of the body and vice versa, since the current path can negatively affect the patient's health. For this reason it is always recommended to use the electrodes in a localized way.
  • Motor point: at least one of the electrodes, whether positive or negative, must be positioned over the motor point, which is the point where the greatest force is achieved in the muscle in question.
  • Control the intensity: the size of the muscle must be taken into account when choosing the intensity of the current, since the less volume and size the muscle has, the lower the tolerated intensity will be.
  • Be careful with the skin: EMS or TENS should not be used on recently depilated areas since the pores will be open and this could generate skin sensitivity. Do not use on irritated or reddened areas, open wounds or recent scars.

Contraindications for the use of electrostimulation

Being a therapy that applies currents to the body, it cannot be used for all conditions, therefore its use should be avoided in cases where the user suffers from the following conditions:

  • Epilepsy.
  • Cardiac pacemakers.
  • Circulation disorders and problems.
  • Abdominal or inguinal hernias.
  • Neurological disturbances.
  • Tendency to bleed.
  • Skin irritation, burns or wounds.
  • Diseases that affect muscle metabolism, such as diabetes.
  • Metabolic syndrome (diabetes, hypertension and obesity).
  • High uric acid levels.
  • Metabolic disorders and metabolic pathologies.
  • Inflammatory pathologies.

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