Bmedical Background 524019358

POWERbreathe K-Series

Apowerbreath Heavy Resistance
Powerbreathe K4

News

Bernie Bissett Podcast

We recently recorded an episode of Science from the Field with Professor Bernie Bissett, a leading expert in respiratory muscle training. We discussed her work in ICU using the POWERbreathe K-Series devices, as well as an exciting Australian-first study about the benefits of the respiratory muscle training.

listen to the podcast
Bernie Bissett Podcast Imt Training

About

The POWERbreathe K-Series are advanced electronic Inspiratory Muscle Training (IMT) devices that measure key inspiratory breathing metrics such as volume, load, power, flow, and energy. Featuring a patented intelligent tapering system, the K-Series dynamically adjusts resistance throughout the breath, ensuring that training adapts to the user’s individual strength profile for a more effective training session.

Designed for precision respiratory muscle training, the K4 and K5 models provide real-time feedback, data tracking, and structured training programs, making them suitable for a range of clinical, sports, and rehabilitation applications. The K4 offers professional-level respiratory monitoring with streamlined software integration, while the K5 provides advanced biofeedback capabilities and live performance tracking for elite users. 

Product Highlights:

  • Patented intelligent tapering system for adaptive resistance
  • Digitally calibrated inspiratory load for precision training
  • On-device storage for the most recent 36 training sessions
  • Real-time data display for tracking training progress
  • Warm-up and cool-down modes for structured training
  • Integrated pacing metronome, breath counter, and end-of-session indicator
  • Rechargeable battery and/or mains power compatibility
  • Ergonomic, easy-to-clean mouthpiece design
  • Multi-patient, multi-use (MPMU) when used with a filter
  • Suitable for adult and paediatric use. 

K5

  • Most advanced inspiratory muscle training device in the POWERbreathe range
  • Live data tracking via Breathe-Link® software for detailed inspiratory training analysis
  • Stores up to 36 training sessions on-device and 1,200 sessions per user via software
  • Customisable training programs for individual or team-based respiratory training
  • Real-time biofeedback on respiratory muscle performance
  • Comprehensive tracking of Load (cmH₂O), Power (Watts), Volume (Litres), Flow (Litres/sec), and Energy (Joules)
  • Essential for elite sports teams, coaches, and professional users looking to refine training techniques
  • Rechargeable battery and mains power compatibility for flexible use. 

K4

  • Designed for elite training, testing, and monitoring
  • Connects to a streamlined version of Breathe-Link® software for real-time tracking
  • Stores up to 36 training sessions on-device and 1,200 sessions per user via software
  • Tracks key respiratory metrics including Load (cmH₂O), Power (Watts), Volume (Litres), Flow (Litres/sec), and Energy (Joules)
  • Historical graphical display for easy progress monitoring and performance insights
  • Essential tool for teams, coaches, and individual athletes focused on optimising respiratory muscle function
  • Rechargeable battery with mains power compatibility. 

Both the K5 and K4 can be used with or without the Breathlink Software.

  • Live Biofeedback Tracking – Provides real-time visualisation of inspiratory muscle performance
  • Inspiratory Muscle Testing – Measures key respiratory metrics, including Load (cmH₂O), Power (Watts), Volume (Litres), Flow (Litres/sec), and Energy (Joules)
  • Customisable Training Programs – Allows users to create tailored training sessions based on individual needs
  • Historical Data Storage – Supports up to 1,200 stored sessions per user for progress tracking and analysis
  • Multi-User Capability – Enables up to 30 user profiles for team-based and clinical training applications
  • Graphical Data Display – Simplifies performance analysis with easy-to-read historical trends
  • Remote Monitoring Potential – Facilitates clinician or coach-led training sessions with real-time data sharing
  • Seamless K-Series Integration – Compatible with K4 and K5 for professional-level inspiratory muscle training
  • Performance Insights for Athletes & Clinicians – Supports data-driven decision-making for respiratory training and optimisation

Training

training materials

Marketing

marketing materials

Warranty

Please follow this link to access the warranty claim procedures documents

Service Warranty Form

To make a warranty claim, complete the Service Form including a photo of the fault and follow the instructions on the form for next steps. If in doubt, contact your rep for troubleshooting.

POWERbreathe devices are covered under warranty for 2 years from date of purchase.

FAQs

Put simply, breathing training is for anyone who breathes since everyone will benefit from stronger breathing muscles.

POWERbreathe IMT devices are popular amongst three main groups: sport & fitness enthusiasts, people with health conditions, and those working in the performing arts. We’ll take a closer look at how breathing training benefits these individuals.

Sport & Fitness

Whether you want to get fit or enhance your sports performance, improving the strength and stamina of your breathing muscles will make exercise feel easier.

As a result, you will be able to do more, or train more, with less effort. Furthermore, stronger breathing muscles will help delay the onset of metaboreflex – the body’s built-in brake. With a well-trained and strong diaphragm there is greater blood flow to your limbs, and sports performance improves. In fact, there are many benefits of IMT in sport and fitness.

Older adults & people with medical conditions

Our IMT devices are also ideal for those with breathing muscle weakness, such as breathlessness. This may be due to a sedentary lifestyle, advancing age or medical condition such as COPD or heart failure.

Using IMT, your breathing muscles will become stronger and resistant to fatigue. As a result, these muscles will require less effort during a given task, reducing shortness of breath. Research has found many more benefits of IMT for health and medical conditions.

Singers, musicians & dancers

Breath control is essential to perform at your best in all of the performing arts. Exercising your breathing muscles with POWERbreathe will improve their strength. And the stronger your muscles are, the more you’re able to control them.

With a stronger diaphragm, you will be in a better position to control the movement of your thoracic cavity whilst singing, dancing, or playing a wind instrument.

Research shows many benefits of IMT for singers, musicians and dancers.

The K-Series automatically estimates your training load at the beginning of every training session. Using this method, the device will adjust the training load every time you start a new session and as the strength of your inspiratory muscles increases. Automatic setup of this load takes place during the first two breaths of each training session.

This study concluded that the K-Series device “provides automatically processed and valid estimates of physical units of energy during loaded breathing tasks…”

Measurement validity of an electronic inspiratory loading device during a loaded breathing task in patients with COPD

This study suggests that S-Index might be more appropriate for measuring inspiratory muscle performance than the currently most used test, PImax…

Assessment of Maximum Dynamic Inspiratory Pressure

For hygiene reasons, we recommend that users do not share the same valve head and mouthpiece. However, additional valve heads with mouthpiece are available for all K-Series models.

It really varies based on the user e.g. trainer, private individual, as well as personal needs. We offer a calibration service to meet the needs of the respective groups. Individuals may wish to have this service for peace of mind in the knowledge that their device is functioning correctly. However, due to calibration being a chargeable service, you may choose not to.

Inspiratory muscle training, such as training with POWERbreathe, is not recommended for patients with certain conditions, including the following:

  • Patients who have undergone recent abdominal surgery and those with abdominal hernia.
  • Asthma patients who have a very low symptom perception and suffer from frequent, severe exacerbations or with an abnormally low perception of dyspnoea.
  • If a patient is suffering from a ruptured eardrum or any other condition of the ear.
  • Patients with marked elevated left ventricular end-diastolic volume and pressure.
  • Patients with worsening heart failure signs and symptoms after RMT / IMT.
  • If you are suffering from a cold, sinusitis or respiratory tract infection, we advise that you do not use your POWERbreathe IMT device.

The K4 and K5 Breathe-Link software is compatible with macOS, up to and including, Mac OS Sonoma 14.X.X Software is PC compatible (except for Windows 10 S for which it is not compatible).

Research

POWERBREATHE RESEARCH
Back to product resources