The Shure BLX14/SM31 brings fitness and aerobics instructors a cost-effective wireless headset microphone system with quality sound, simple setup, intuitive operation, and dependable performance right out of the box. It includes the compact and lightweight BLX4 single-channel tabletop receiver with internal antennas, ideal for portable use.

The BLX14/SM31 also includes an SM31FH cardioid fitness headset mic with windscreen and a bodypack transmitter. The headset is specifically designed to stay comfortable and securely in place, even during the most active workouts. Moisture-repellent hydrophobic fabric helps protect the microphone capsule from sweat and humidity.

The receiver features one-touch QuickScan frequency selection to quickly search 123 available frequencies and locate a clean RF channel in case of interference. The system provides up to 14 hours of continuous use with two AA batteries, at a range up to 300'. Up to 12 mic channels can operate simultaneously in each frequency band.

For Fitness Instructors    SM31FH Cardioid Fitness Headset Mic    Moisture-Repellent Mic Construction    Lightweight Bodypack Transmitter    Single-Channel Tabletop Receiver    123 Auto-Scan Frequencies    Internal Antenna Diversity    14-Hr AA Batteries    Expandable to 12 Mic Channels/300' Range

The rugged SM31FH fitness headset condenser microphone is built for comfort and clear vocal reproduction. It features a cardioid polar pattern that helps reject unwanted noise, and a tailored frequency response optimized for speech intelligibility. The lightweight design reduces fatigue during high-impact use, while the flexible gooseneck with discrete adjustment options lets you position the microphone for further source isolation in loud environments.

The durable BLX1 bodypack transmitter offers a lightweight, ergonomic design that is comfortable for the instructor to wear. Group and channel selection buttons allow for quick and simple frequency matching with the receiver. Other features include an easily accessible on/off switch, adjustable gain control, and a TA4M 4-pin input jack.

The BLX4 receiver employs microprocessor-controlled internal antenna diversity to improve the quality and reliability of your wireless audio. An LED display shows group and channel settings, while two LED lights indicate when the system is ready for use and the strength of the incoming audio signal. The unit offers 1/4" and XLR outputs for connectivity to PA systems and mixing boards.

Shure offers a variety of lavalier, instrument, headset, and handheld microphone options to adapt your BLX system as your needs evolve.

• The discrete MX153 sub-miniature earset mic provides exceptional clarity in spoken word applications.
• The PGA31 is a comfortable headset microphone for lectures and presentations.
• The CVL lavalier mic offers low visibility and clear vocal reproduction for discreet applications.
• Instrumentalists can attach the WB98H/C flexible gooseneck instrument microphone for brass, woodwind, and percussion applications.
• The WA302 guitar cable lets you connect the bodypack transmitter to a guitar or bass.
• The BLX2 handheld transmitter is available with three different mic capsules for presenters who prefer the flexibility of a handheld microphone.

Related Questions and Answers

Q: 1. is this 32-bit float?

A: The output is analog. Hollyland makes no mention of the codec it uses to transmit audio from the TX to the RX.

Q: 2. Does the storage case charge the Receiver and transmitters?

A: The storage case for the SmallRig Forevala W60 2-Person Compact Wireless Microphone System (2.4 GHz), BH # SM3487, provides USB-C or USB-A charging for the transmitters and receiver.

Q: 3. how is this different or better/worse than the Rode Wireless Go ii. Can't decide between the two. It is for use with the Sony A7iii?

A: Main difference is this is Bluetooth. Bluetooth is usually a format with more latency issues than other wireless formats. It also does not transmit as far. Only about 30 feet max.

Q: 4. will this work with a gopro hero4?

A: Yes, the Movo Photo MicRig-W2 Video Grip Handle with 2-Person Wireless Microphone System is compatible for use with the GoPro HERO 4 Camera.

Q: 5. This is a 2 person system, so are both transmitters received simultaneously, and two people recordable at the same time?

A: Yes, the Movo Photo MicRig-W2 Video Grip Handle with 2-Person Wireless Microphone System has a built-in two-channel receiver that allows you to use both transmitters simultaneously to record two people at the same time.

Q: 6. What is the audio bit rate?

A: Hi Stuart, the audio bit rate is 32.

Q: 7. Is there a bar display or some battery charge indicator?

A: Yes, There is a charge LED (single LED not a bar) indicator on both the transmitter and receiver.

Q: 8. Does this clown have XLR outputs so that you can connect to professional camera or audio mixer?

A: The Lark 150 Wireless system does not include an XLR output cable. You can use adapters like these though, for connection with professional XLR inputs: sum both channels to mono: https://bhpho.to/3IBRQba stereo XLR output: https://bhpho.to/3vz9kkT For a dual channel wireless system that will meet a more professional expectation, I would recommend considering the Sony UTXB40 transmitters with the URX-P03D receiver, as packaged in this kit: https://bhpho.to/3hyxlQN

Q: 9. Is th mini jack on each transmitter actually a headphone out? It would make more sense to be a mic in (ala the Rode Go system). Can anyone confirm?

A: The receiver has Line Outputs: Receiver Form Factor Beltpack / Portable Mounting Options Belt Clip (with Included Hardware) Antenna 1 x 1/4 Wave Wire, Fixed Number of Audio Channels 2 Audio I/O 2 x 1/8" / 3.5 mm TRS Female Unbalanced Line Output Audio Output Level 5 dB

Q: 10. I plan to do a wedding and the mics will be close to each other. I wondering can i set it up to seperate the audio tracks?

A: The Movo Photo MicRig-W2 Video Grip Handle with 2-Person Wireless Microphone System will record combined audio from both mics on the left and right channels. There is no option to separate the mics onto different channels.