Masoll M14+MZS2 TPMS with 4 Tire Sensors

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Product guide

Masoll M14+MZS2 TPMS with 4 Tire Sensors

TPMS: The Masoll M14+MZS2 tire pressure monitoring system pairs a monitor with four sensors for displaying pressure and temperature across four tires. Its solar and USB charging options and automatic reference-pressure setup suit drivers who want ongoing tire readings, while reported display-visibility and connection concerns merit attention.

At a glance

Monitor displays pressure and temperature for four tires at the same time, according to the listing.
Six alerts cover high and low pressure, high temperature, fast leakage, low sensor battery, and lost signal.
Solar and USB charging provide two stated charging options for the monitor.
Monitor uses the pressure at sensor installation as the reference point for pressure alerts.

Price

$39.99Save 17%

Reference price: ~~$47.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Four tire sensors and a monitor are described as a pre-programmed set, reducing setup steps according to the listing.
Automatic reference-pressure setup avoids manually entering high and low alert values. The tires must first be set to standard pressure.
Selectable PSI or Bar and Celsius or Fahrenheit settings accommodate different unit preferences.
The listing describes replaceable sensor batteries and dual solar and USB monitor charging.

Cons

Monitoring is limited to four tires, so vehicles requiring more sensor positions are outside the stated setup.
The display has received mixed visibility feedback, including reports of dim brightness and difficulty reading it in daylight.

Technical specifications

19 specifications

Identity
Brand	Masoll
Model	M14+MZS2

Monitoring and alarms
Maximum tire pressure	99psi
Alarm modes	Six alarm modes
High-pressure alert	+25% PSI of Reference Pressure
Low-pressure alert	-15% PSI of Reference Pressure
High-temperature alert	158℉
Pressure accuracy	±1.5psi
Wireless transmission frequency	433.92Mhz

Power and sensors
Charging methods	Solar Power Charging and USB Charging
Sensor battery life	2 years battery life
Sensor battery	replaceable CR1632 battery
Monitor power source	4 CR123A batteries required. (included)

Compatibility and use
Vehicle types	Sedan, SUV, MPV, VAN, Pickup Truck, RV
Trailer length guidance	For the trailer which is longer than 38ft, a Masoll signal booster will be required.
Display pressure units	pressure PSI/Bar
Display temperature units	temperature C/F

Dimensions and installation
Weight listed	8.8 ounces
Package dimensions	6.3 x 5 x 2.28 inches

What to know before buying

Set tires to their standard pressure before sensor installation because the monitor uses the installed pressure as its reference. The listing specifies alerts at +25% and -15% of that reference.
Turn on the monitor before installing sensors. If readings do not appear, the listing advises driving for 5–10 minutes to activate them.

Listing details to confirm

The listing gives differing trailer-length guidance: one section says a signal booster is required beyond 38ft, while another recommends the system for vehicles up to 36 ft. Confirm suitability for the intended vehicle and setup.

Who is it for?

A good fit for

RV, van, pickup, SUV, or other listed four-wheel vehicle owners seeking tire pressure and temperature monitoring.
Drivers who want four-tire readings with automatic pressure reference setup and multiple alert types.
Buyers who prefer a monitor with both solar and USB charging options.

Less suited to

Vehicles needing monitoring for more than four tires.
Buyers who require consistently easy daytime screen visibility or assured sensor pairing, given the mixed customer feedback.

Masoll M14+MZS2 TPMS with 4 Tire Sensors · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 336 ratings

5 stars74%74%
4 stars11%11%
3 stars5%5%
2 stars5%5%
1 star5%5%

Customer feedback highlights ease of installation, perceived value, and reports of accurate readings. Experiences with display visibility, sensor connectivity, and secure fit are mixed, and some customers describe the display as very dim or difficult to read in daylight. Those concerns matter for a system meant to be checked while driving, despite its listed four-tire monitoring and alert functions.

Positive themes

Customers report that installation is easy.
Customers describe readings as accurate and consider the system worth the cost.

Negative themes

Some customers criticize the display as very dim or difficult to read in daylight.

Mixed feedback

Feedback on display visibility, connectivity, and secure sensor fit is mixed, with some reporting pairing issues.

Frequently asked questions

How many tires does the Masoll M14+MZS2 monitor?

The listing describes simultaneous monitoring for four tires with four sensors.

How are the pressure alerts set?

The monitor takes the pressure at sensor installation as its reference. Set the tires to standard pressure first. The listing states alerts at +25% and -15% of the reference pressure.

Does it support solar charging only?

No. The listing describes both solar and USB charging for the monitor and includes a USB charging cable.

Will it work with a long trailer?

The listing is inconsistent: one section says trailers longer than 38ft require a Masoll signal booster, while another suggests use on vehicles up to 36 ft. Confirm fit for the intended trailer before buying.

What do customers report about the display and connection?

Customer feedback is mixed on readability and connectivity. Some find the display easy to read, while others report poor daylight visibility or pairing issues. These are reported experiences, not a guarantee of how a particular installation will perform.