Independent CPAP Comparison
The CPAP Machines Worth Buying, Compared.
Transcend Micro Auto
Travel CPAP$829
Ultra-light travelersCamping/off-grid usersBackup bedside machine
The world's smallest CPAP — truly pocketable therapy.
At just 0.48 lbs and smaller than a soda can, the Transcend Micro is the smallest auto-CPAP ever made. Unlike the AirMini, it works with virtually any standard CPAP mask. The tradeoff: waterless-only humidification and a 2-year warranty.
Common Questions
Is it quiet?
Reasonable at 27 dBA with the WhisperSoft muffler attached. Comparable to the AirSense 11.
Is it easy to use?
Basic controls on the device. Advanced settings require the MySleepDash app or Windows software.
Can I travel with it?
The ultimate travel CPAP. 0.48 lbs, under 4 inches wide, FAA-approved, optional battery pack.
How does it track my sleep?
Bluetooth to MySleepDash app. Tracks usage, events, and generates shareable provider reports.
Is the humidifier good?
Waterless only — optional AirMist HME adds some moisture but can't match a heated humidifier.
What masks work?
Universal — works with most standard CPAP masks. No proprietary restrictions.
How much does it cost?
Around $829 retail — the most affordable machine on this list.
Who is this NOT for?
Not ideal as a primary home machine. No heated humidifier, smaller data ecosystem, shorter 2-year warranty.
✦ Pros
- ✓Smallest CPAP ever — 0.48 lbs, fits in a palm
- ✓Universal mask compatibility (unlike AirMini)
- ✓Most affordable machine on this list at ~$829
- ✓FAA-approved with optional PowerAway battery
- ✓Built-in drying mode for easy maintenance
- ✓WhisperSoft muffler keeps noise to 27 dBA
✦ Cons
- ✗Waterless humidification only — no heated option
- ✗Advanced settings require Windows PC software
- ✗Shorter 2-year warranty
- ✗Newer brand with smaller support ecosystem
- ✗No heated tubing option
Therapy modesAPAP, CPAP
Pressure range low (cmH₂O)4
Pressure range high (cmH₂O)20
Device typeAuto-CPAP (Travel)
Display typeLED indicators
Control interfaceButton + smartphone app
Voltage100-240V, 50/60Hz (universal)
Power consumption (W)20
RegulatoryFDA Class II, CE marked
Auto adjusting✓ Yes
Epr levels3
Epr labelAirRelief (Exhalation Relief)
Ramp modeGentleRise ramp
Ramp time range (min)0-45
Leak compensation✓ Yes
Central apnea detection✗ No
Cheyne stokes detection✗ No
Rera reporting✗ No
Auto altitude adjustment✓ Yes
Humidifier typeWaterless (AirMist HME, sold separately)
Heated tube compatible✗ No
Heated tube model—
Climate control auto✗ No
Humidity levelsHME cartridge only
Tube temperature range (°F)—
Waterless humidification✓ Yes
Filter typeWoven + Hypoallergenic (Micro 510 specific)
Mask compatibilityUniversal — most standard CPAP masks
Smart start stop✓ Yes
Weight (lbs)0.48
Weight (kg)0.22
Dimensions in3.6 x 3.6 x 2.4 (L x W x H)
Dimensions cm9.1 x 9.1 x 6.1
Faa approved✓ Yes
Travel friendly ratingBest — smallest CPAP on the market
Battery option✓ Yes
Battery modelTranscend PowerAway Battery (sold separately)
Battery life (hours)Up to 14 hours (varies by pressure)
Dc power option✓ Yes
Dc converter modelIncluded via PowerAway
Bluetooth✓ Yes
Cellular✗ No
Wifi✗ No
Sd card✗ No
Usb✗ No
App nameMySleepDash
App platformsiOS, Android
Clinician portalMySleepDash provider sharing
Over the air updates✗ No
Data storage (days)365
Compliance data✓ Yes
Detailed event data✓ Yes
Mask fit check✗ No
Sleep onset detection✗ No
Positional therapy✗ No
For her mode✗ No
Preheat✗ No
Noise level (dBA)27
Noise measurement standardISO 17510-1:2007
Noise notesWith WhisperSoft Muffler attached
Compare All CPAP Machines
Every spec, side by side.
ResMed AirSense 11 AutoSet
$1,004
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ResMed AirMini AutoSet
$895
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