Features Available Transmitter Form factors: Bodypack Operating range (up to): 100 m (Under typical conditions) Frequency Band Version: K14: 614-638MHz BLX4 Wireless Receiver Up to 12 compatible systems (region dependent) Microprocessor-controlled internal antenna diversity One touch QuickScan locates the best open frequency ¼ and XLR audio outputs Two color audio status indicator LED Green: Normal audio levels Red: Excessive audio levels (overload/clipping) BLX1 Wireless Bodypack Transmitter Power and battery status LED Adjustable gain control Quick and easy frequency matching AA batteries (included) provide up to 14 hours of continuous use 100 m (300 ft.) operating range (line of sight) Headset Condenser Microphone Wearable wireframe headset fits securely for multi-instrumentalists and active performers Permanently-charged electret condenser element for detailed, crisp vocals Unidirectional (cardioid) polar pattern rejects unwanted noise for improved sound quality and higher gain-before-feedback Flexible gooseneck design and discrete adjustment options optimize microphone positioning for further source isolation Included windscreen tames plosives for clean and intelligible sound reproduction Available with a wide variety of Shure wireless systems, renowned for ease-of-use and reliable performance Included windscreen tames plosive, breath and wind noise for clean and intelligible sound Tailored frequency response primed for great sound on vocals Legendary Shure precision engineering for durability and performance Specifications BLX14/PGA31 Specifications Set Type: Headset Amount of Bodypacks: 1 Amount of Handhelds: 0 Amount of TQG Mics: 1 BLX4 Specifications Weight: 241 g Height x Width x Depth: 40.0 × 188.0 × 103.0 mm Transmission: Analog Type of Power Supply: External Receiver Housings: Molded ABS Active Antenna Possible: No Bias via BNC: No Encryption: No High Density Mode: No Interference Detection: No Remote Control: No Number of compatible systems per frequency band: Up to 12 DANTE-Enabled Products: No Scan Features: Quick Scan Sync Features: None Detachable Antennas: No Network ability: No Software control: No Logic: No Cascade: No Rack Hardware: Optional: Urt2 Receiver Displays: LEDs Receiver type: Single Included antenna: Internal Line Mic Switch: No Image Rejection: 50 dB, typical RF Sensitivity: -105 dBm, for 12dB SINAD, typical Phantom Power Protection: Yes BLX1 Specifications Weight:75 g Height x Width x Depth: 110.0 × 64.0 × 21.0 mm Battery life lithium: 0 h Battery life alkaline: 14 h Form Factor: Bodypack Transmitter housings: Molded ABS Audio Mute: No Detachable Antennas: No Switchable RF power: No Batteries: AA Battery Status: Multi-Color LED Connectors: TQG Frequency Diversity: No Functionality: Transmitter Gain adjustment range: 26 dB High Density Mode: No Included antenna: 1/4 wave Input impedance: 1000 kO Transmission: Analog PGA31 Specifications Weight: 45 g Frequency Response: 60 Hz – 20 kHz Frequency Response: Tailored Sensitivity: -50.00 dBV/Pa – 3.16 mV/Pa Self-Noise: 28 dB(A) Max. Sound Pressure Level: 145 dB Transducer Type: Condenser Polar Pattern: Cardioid Switchable low cut: No Connectors: TQG (T4AF, 4-Pin Mini) Attenuator: No Interchangeable Capsule: No Main Functionality: Performance Headphone Output: No Requires Phantom Power: 5v DC (bias) VDC Cartridge: Fixed