The Shure BLX4 Wireless Microphone System with SM31 Cardioid Fitness Headset Kit 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.
Shure BLX4 Tabletop Wireless Receiver (H10: 542 to 572 MHz)
The Shure BLX4 is a single-channel tabletop wireless receiver compatible with the BLX1 bodypack and BLX2 handheld transmitters. Compact and lightweight, it houses internal antennas and is ideal for portable use.
The BLX4 features one-touch QuickScan frequency selection to quickly search 123 available frequencies and locate a clean RF channel in case of interference. It employs microprocessor-controlled diversity technology to reduce dropouts. BLX systems allow up to 12 mic channels to operate simultaneously in each frequency band, at a range up to 300 .
Located on the front panel, an LED display shows the RF frequency group and channel, while two LED status indicators inform you when the system is ready to operate and alert you if your audio is clipping. The receiver offers 1/4" and XLR outputs for connectivity to PA systems and mixing boards.
EAN: 042406470742
Shure BLX1 Wireless Bodypack Transmitter (H10: 542 to 572 MHz)
The Shure BLX1 is a bodypack wireless transmitter compatible with BLX Series receivers. With a lightweight, ergonomic design, it is comfortable for performers and presenters to wear, while providing up to 14 hours of continuous use with the two included AA batteries, at a range up to 300 .
Group and channel selection buttons allow for quick and simple frequency matching with the receiver. Other features include an easily accessible On/Off switch and adjustable gain control. The TA4M 4-pin input jack allows you to plug the lavalier, headset, or instrument microphone of your choice or an adapter cable for guitar and bass.
EAN: 042406470261
Shure SM31FH Fitness Headset Condenser Microphone
The SM31FH Fitness Headset Condenser Microphone from Shure is a cardioid condenser headset microphone designed to be used by fitness and aerobics instructors. It has integrated moisture-repelling hydrophobic fabric that helps protect the microphone capsule from sweat and humidity. A windscreen is included.
Wearable wireframe headset designed for a secure, comfortable fit made for fitness and aerobics instructors
Integrated moisture-repelling hydrophobic fabric protects the microphone element from harmful corrosion for use in humid environments
Flexible gooseneck design provides discrete adjustment options to optimize placement for greatest isolation
Compatible with Shure wireless bodypack systems for direct replacement of TA4F-connected microphones
Lightweight and low-profile form factors help avoid fatigue during high-impact use
Tailored frequency response refined for crisp and clear vocal reproduction
EAN: 042406325745
Shure BLX4 Tabletop Wireless Receiver (H10: 542 to 572 MHz) Specs
| Wireless Technology | Analog UHF |
| Number of RF Channel Frequencies | 123 |
| Diversity | Antenna Diversity |
| RF Frequency Band | H10: 542 to 572 MHz |
| RF Bandwidth | 24 MHz |
| RF Channel Scanning | Auto-Scan |
| Max Operating Range | 300` / 91.4 m |
| Max Transmitters per Band | 12 |
Receiver
| Receiver Type | Tabletop |
| Antenna | 2 x Internal, Fixed |
| Number of Audio Channels | 1 |
| Audio I/O | 1 x XLR 3-Pin Male Balanced Output 1 x 1/4" TS Female Unbalanced Output |
| Audio Output Level | XLR Output: -27 dBV (Mic Level) 1/4" Output: -13 dBV (Instrument Level) |
| Frequency Response | 50 Hz to 15 kHz |
| Impedance | XLR Output: 200 Ohms 1/4" Output: 50 Ohms |
| Approximate RF Sensitivity | -105 dBm |
| Adjacent Channel Isolation | >50 dB |
| Power Requirements | AC/DC Power Adapter |
| AC/DC Power Adapter | 12 to 15 VDC at 160 mA, Center-Positive (Included) |
| Display & Indicators | 1 x Multi-Segment LED (Channel, Group) 2 x LED (AF Level, Sync) |
| Housing | ABS |
| Operating Temperature | 0 to 135°F / -17 to 57°C |
| Dimensions | 7.4 x 1.6 x 4.1" / 188 x 40 x 103 mm |
Packaging Info
| Package Weight | 2.55 lb |
| Box Dimensions (LxWxH) | 13.5 x 11.9 x 4" |
Shure BLX1 Wireless Bodypack Transmitter (H10: 542 to 572 MHz) Specs
| Wireless Technology | Analog UHF |
| RF Frequency Band | H10: 542 to 572 MHz |
| RF Bandwidth | 24 MHz |
| Max Operating Range | 300` / 91.4 m (Line of Sight) |
| Encryption | None |
Transmitter
| Transmitter Type | Bodypack |
| RF Output Power | 10 mW |
| Audio I/O | 1 x TA4/Mini XLR 4-Pin Male Input (Lockable) |
| Muting | Off/On Switch |
| Auto-Level Control | No |
| Gain Range | -16 to +10 dB |
| Sync Method | Manual |
| Antenna | 1 x Flexible Whip, Fixed (Beltpack) |
| Power Requirements | Battery |
| Battery Type | 2 x AA (Included) |
| Approx. Battery Life | 14 Hours (Alkaline) |
| Display & Indicators | 1 x Multi-Segment LED (Channel, Group) 1 x LED (Battery Status, Power) |
| Housing | ABS |
| Dimensions | 2.5 x 4.3 x 0.8" / 64 x 110 x 21 mm |
| Weight | 2.6 oz / 75 g (without Batteries) |
Packaging Info
| Package Weight | 0.565 lb |
| Box Dimensions (LxWxH) | 11.9 x 5.3 x 3.2" |
Shure SM31FH Fitness Headset Condenser Microphone Specs
Microphone
| Form Factor | Headworn |
| Intended Sound Sources | Speech/Voice Over |
| Sound Field | Mono |
| Capsule | Electret Condenser |
| Polar Pattern | Cardioid |
| Windscreen | Foam (Included) |
Performance
| Frequency Range | 45 Hz to 20 kHz |
| Maximum SPL | 145 dB SPL (1 kHz, 1-Kilohm Load) |
| Impedance | 600 Ohms at 1 kHz |
| Output Level | -50 dBV/Pa |
| Dynamic Range | 117 dB (1 kHz, 1-Kilohm Load) |
| Signal-to-Noise Ratio | 66 dB (1 kHz) |
| Equivalent Noise Level | 28 dB A-Weighted (Typical) |
Connectivity
| Output | 1 x TA4/Mini XLR 4-Pin Female |
| Cable Length | 45" / 1.1 m |
Power
| Operating Voltage | 5 to 10 V |
Physical
| Color | Black |
| Mounting | Over-Ear (Double/Neckband) (via Integrated Hardware) |
| Included Case | None |
| Included Filters | None |
| Weight | 2.11 oz / 60 g |
Packaging Info
| Package Weight | 0.5 lb |
| Box Dimensions (LxWxH) | 7.8 x 6.35 x 3.05" |
In the Box
- Shure PS24US Power Supply for Select Wireless Receivers
- 2-Year Manufacturer Warranty
- 2 x AA Batteries
- 2-Year Manufacturer Warranty
- Windscreen
- 2-Year Manufacturer Warranty
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