The BLX14R/SM35 Wireless Headworn Microphone System from Shure combines hands-free performance and user-friendly operation with audio performance you can trust.
This system includes a BLX4R rack mount receiver, a BLX1 bodypack transmitter, a SM35 headset microphone, and accessories to get you set up and started right out of the box.
Shure BLX14R/SM35 System Features
- This wireless headworn mic system is simple setup and boasts an intuitive interface
- Enjoy up to 300 feet transmission range and up to 14 hours of battery life
- Wireless headset microphone fits securely and comfortably
- Flexible gooseneck in headset mic adjusts microphone placement
- BLX4R Rack Mount Receiver1
- BLX1 Bodypack Transmitter1
- SM35 Headset Microphone1
- Rack mount bracket1
- Long rack mount bracket1
- Link bracket1
- Hardware kit1
- Thread Adapter1
- 1/4 Wave antenna/BNC2
- BNC bulkhead adapters2
- Zippered vinyl bag1
- 22" BNC cables2
- Power supply1
- System
- Working Range: 91 m (300 ft) Line of Sight
- Audio Frequency Response: 50 to 15,000 Hz
- Total Harmonic Distortion Ref. ±33 kHz deviation with 1 kHz tone: 0.5%, typical
- Dynamic Range: 100 dB, A-weighted, typical
- Operating Temperature: -18°C (0°F) to 57°C (135°F)
- Polarity: Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 (with respect to pin 3 of low-impedance output) and the tip of the high impedance 1/4-inch output.
- BLX1 Transmitter
- Audio Input Level
- max: -16 dBVmaximum
- min (0 dB): +10 dBVmaximum
- Gain Adjustment Range: 26 dB
- Input Impedance: 1 MΩ
- RF Transmitter Output: 10 mW, typical
- Dimensions: 4.33 in. X 2.52 in. X 0.83 in. (110 mm X 64 mm X 21 mm) H x W x D
- Weight: 2.6 oz. (75 g), without batteries
- Housing: Molded ABS
- Power Requirements: 2 LR6 AA batteries, 1.5 V, alkaline
- Battery Life: up to 14 hours (alkaline)
- BLX4R Receiver
- Output Impedance
- XLR connector: 200 Ω
- 6.35 mm (1/4") connector: 50 Ω
- Audio Output Level Ref. ±33 kHz deviation with 1 kHz tone
- XLR connector: –20.5 dBV (into 100 kΩ load)
- 6.35 mm (1/4") connector: –13 dBV (into 100 kΩ load)
- RF Sensitivity: -105 dBm for 12 dB SINAD, typical
- Image Rejection: >50 dB, typical
- Dimensions: 1.65 in. X 7.80 in.X 6.42 in. (42 mm X 198 mm X 163 mm) H x W x D
- Weight without antennas: 2.2 lbs (998 g)
- Housing: Molded ABS, steel
- Power Requirements: 12–15 V DC @ 260 mA, supplied by external power supply (tip positive)
- SM35 Performance Headset Condenser Microphone
- Type: Electret Condenser
- Frequency Response: 40 Hz to 20,000 Hz
- Polar Pattern: Unidirectional (Cardioid)
- Output Impedance @ 1 kHz: 2400Ω
- Audio Output Level: -59.0 dBV/Pa
- Signal-To-Noise Ratio[1] @ 1 kHz: 55 dB
- Maximum SPL[1] (1000Ω load, @ 1% THD): 153.0 dB
- Dynamic Range[1] @ 1 kHz, 1000Ω load: 114.0 dB
- Equivalent Output Noise[1] (Typical, A-Weighted): 39 dB
- Power Requirements: +5 V DC (nominal), 10 V maximum (DC bias)
- Polarity: Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1
- Cable: 1.1 m (45 in.)
- Connector: TA4F
- Net Weight: 72 g (2.53 oz.)
More about the SM35 Headset Microphone
The SM35 comes with a tailored frequency response that captures clear, crisp vocal reproductions. Its lightweight, low-profile wireframe design fits securely and comfortably.
Get even better positioning via the mic’s flexible gooseneck design, which allows you to further isolate your sound from unwanted noises.
More about the BLX1 Bodypack Transmitter
The lightweight yet rugged build of the BLX1 means you don’t have to worry about damage during everyday use, and it easily clips onto a belt, pocket, or guitar strap for optimal placement.
A TQG connection on this transmitter enables connection with lavalier, headset, earset, and instrument mics, as well as guitar cables.
Turn the transmitter on and off and control your gain with controls on the bodypack itself. Its group and channel selection buttons enable quick frequency matching with the receiver.
More about the BLX4R Wireless Receiver
Boasting a rugged build, optimized linearity and frequency response, and scalable versatility, the BLX4R includes a rack mount kit for permanent installation, allowing it to be easily incorporated into any setup. Its removable antennas enable quick distribution.
It can expand to up to 12 mic channels, making it a great choice to start and grow your sound system.
Setup is quick and easy with QuickScan frequency selection, which also provides improved linearity and frequency response.
More about Shure's BLX Wireless Systems
With consistent reliability across a wide variety of transmitters, receivers, and accessories, you’re sure to find a sound that works for you from this extensive selection of BLX gear.
Go wireless with confidence using this specially engineered system that gives you pristine audio clarity without noise interference or disappointing dropouts.
BLX gives you the versatility and selection to pick and choose precisely the equipment to fit your needs whatever that venue or performance. Whether you’re a performer or presenter, BLX produces stellar, dependable sound.
