I wear child-size hats...how adjustable is the mic and does the size mechanism hold up?

I always have a problem with mics falling off, I bobby pin therm, clip them, whatever and they fall off the minute I jump. This one is a lot better. It doesn't adjust really, but it "holds" and if you wear a hat it helps quite a bit. Its probably one of the best I've ever used. I'm a GF director... Been teaching 20+ years.

Can this sync to a MacBook?

It does not sync to anything. It is a transmitter and receiver pair. The receiver plugs into an analog audio input of some kind. It has 1/4" and XLR outputs.

Is this system compatible with the shure pga31 mic?

Shouldn't be a problem.If this was helpful, please consider purchasing from us. We can help with support after the sale as well. We have it in stock and ready to ship. - Pixel Pro Audio

Does this require speakers?

Yes and an amplifier for the speakers, or a Bluetooth amplified speaker is what we use.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Shure BLX14/SM31 Wireless Fitness Headset System - H9 Band

Shure BLX14/SM31 Wireless Fitness Headset System - H9 Band

Product ID: 20906850

Details

Brand
Shure
Color
Assorted
Compatible Devices
Headphone
Connectivity Technology
Wireless
Connector Type
TA4F
Included Components
Shure Headset

🎤Moisture-resistant fitness mic

📡300 ft wireless range

🔋14 hrs battery life

Description

🎧 Elevate your fitness sessions with wireless clarity that keeps you heard and moving.

PLUG PLAY SIMPLICITY - Quick frequency matching and trusted Shure reliability get you on air fast.
POWER THROUGH YOUR DAY - 14 hours of continuous use on simple AA batteries keeps you going strong.
ENGINEERED FOR ACTIVE PROS - Sweat-proof, secure-fit headset mic designed for high-energy fitness instructors.
UNMATCHED WIRELESS FREEDOM - Move up to 300 ft away with crystal-clear audio—no strings attached.
SEAMLESS MULTI DEVICE SETUP - Supports up to 12 compatible systems per band—perfect for busy studios and gyms.

The Shure BLX14/SM31 Wireless Fitness Headset System delivers professional-grade UHF wireless audio with up to 300 ft range and 14 hours of battery life. Designed specifically for fitness instructors and active presenters, its moisture-resistant headset mic ensures secure, clear voice capture during intense movement. Supporting up to 12 compatible systems per band, it offers reliable multi-device performance with easy setup, making it the go-to wireless solution for dynamic fitness environments.

Specifications

ASIN	B016APL72S
Antenna Location	Singing
Best Sellers Rank	#13,837 in Musical Instruments ( See Top 100 in Musical Instruments ) #192 in Computer Microphones #198 in Handheld Wireless Microphones & Systems
Brand	Shure
Built-In Media	Shure BLX14/SM31 Headset Wireless Microphone System, Includes BLX1 Bodypack Tran
Color	Assorted
Compatible Devices	Headphone
Connectivity Technology	Wireless
Connector Type	TA4F
Customer Reviews	4.4 out of 5 stars 237 Reviews
EU Spare Part Availability Duration	2 years
Enclosure Material	Stainless Steel
Frequency Range	2050-2700 MHz
Frequency Response	20 KHz
Global Trade Identification Number	00042406470346
Hardware Platform	Karaoke Machine
Impedance	150 ohm
Item Dimensions	13.5 x 12 x 4 inches
Item Highlight	14-hour battery and 300 ft range with SM31FH fitness headset mic and single-channel receiver for aerobics and gym use
Item Type Name	Instrument Condenser Microphone
Item Weight	2.8 pounds
Manufacturer	Shure
Mfr Part Number	BLX14/SM31-H9
Microphone Form Factor	Headset
Model Name	BLX14/SM31 Wireless Cardioid Fitness Headset Microphone System
Model Number	BLX14/SM31-H9
Number of Batteries	2 AA batteries required. (included)
Number of Channels	1
Number of Items	1
Number of Packs	1
Polar Pattern	Unidirectional
Power Source	Corded Electric,Battery Powered
Recommended Uses For Product	Singing
Signal-to-Noise Ratio	76 db
Special Feature	Transmitter: Quick and easy receiver frequency matching
UPC	042406470346
Unit Count	1 Count
Warranty Description	2-year limited

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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