Product Description The BLX Headset Wireless System from Shure joins world-class design and construction with simple and easy setup and operation, featuring QuickScan frequency selection and the durable PG30 head worn microphone for active performance applications. Legendary sound and performance, right out of the box. Included: BLX4 wireless receiver; BLX1 body pack transmitter; PG30 cardioid condenser head worn microphone with windscreen. From the Manufacturer Shure BLX14/PG30 Wireless Headset System with PG30 Headworn Microphone, H8 BLX Wireless SystemsFor performers who wish to unplug from the wire, BLX Wireless Systems are the clearest choice. Shure delivers wireless confidence with legendary sound from industry-renown microphones, decades of wireless design proficiency and world-class construction. Available in a wide offering of bodypack and handheld configurations (including vocal, guitar, headset and presenter system), BLX Wireless Systems are ready to perform right out of the box.Transmitters: At a GlanceTwo AA batteries (included) provide up to 14 hours of continuous useUp to 300 feet (91m) transmission radius (line of sight)Quick and easy receiver frequency matching (GROUP and CHANNEL selection buttons)Two-color transmitter status indicator LED: Green: "Ready"Rapidly Flashing Red: "Controls Locked"Solid Red: "Battery Power Low" (less than 1 hour remaining)Flashing Red/Power Down: "Batteries Dead" (replace batteries to repower transmitter)TQG connection for use with Shure lavalier, headset, earset and instrument microphones and guitar cablesTactile/easily accessible On / Off switchAdjustable gain controlLightweight, rugged constructionAvailable as bodypack (currently selected) or handheld transmittersReceivers: At a GlanceBLX Receiver Options BLX4 Single Channel Wireless Receiver (currently selected)BLX4R Single Channel, Rack Mount Wireless ReceiverBLX88 Dual Channel Wireless ReceiverOne-touch QuickScan frequency selection quickly locates the best open frequency (in case of interference)Up to 12 compatible systems per frequency band (region-dependent)Two-color audio status indicator LED: Green: Normal audio levelsRed: Excessive audio levels (overload/clipping)XLR and ¼" output connectorsOverviewShure BLX Wireless Systems combine professional-quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision-built and available in a variety of configurations, it's the most accessible way to own the stage.What's in the Box?Includes BLX4 Single Channel Wireless Receiver, BLX1 Bodypack Transmitter, PG30 Headset Condenser Microphone, Power Supply, 2 AA Batteries and User Guide.BLX1 Bodypack Transmitter Specifications Audio Input Level (gain) max: -16 dBV maximummin (0 dB): +10 dBV maximum Gain Adjustment Range 26 dB Input Impedance 1 M? RF Transmitter Output 10 mW, typical - varies by region Dimensions (H x W x D) 110 mm x 64 mm x 21 mm Weight 75 g (2.6 oz.), without batteries Housing Molded ABS Power Requirements 2 LR6 AA batteries, 1.5 V, alkaline Battery Life Up to 14 hours (alkaline) To view a detailed diagram of the BLX1 Bodypack Transmitter, click here. To view a detailed front diagram of the BLX4Single Channel Wireless Receiver, click here. To view a detailed back diagram of the BLX4Single Channel Wireless Receiver, click here. BLX4 Single Channel Wireless Receiver Specifications Output Impedance XLR connector: 200 ohm, 6.35 mm (1/4") connector: 50 ohm Audio Output Level (Ref. 33 kHz deviation with 1 kHz tone) XLR connector: -27 dBV (into 100k ohm load), 6.35 mm (1/4") connector: -13 dBV (into 100k ohm load) RF Sensitivity -105 dBm for 12 dB SINAD, typical Image Rejection >50 dB, typical Dimensions 40mm X 188mm X 103mm (H x W x D) Weight 241g (8.5 oz.) Housing Molded ABS Power Requirements 12-15V DC @ 160mA supplied by external power supply (tip positive) Housing Molded ABS Power Requirements 12 to 15 V DC @ 160 mA (BLX88, 320 mA), supplied by external power supply (tip positive) BLX Wireless Components Model BLX1 BLX4 BLX4R BLX88 Type Bodypack Single Channel Wireless Receiver Single Channel Rack Mount Wireless Receiver Dual Channel Wireless Receiver Frequency Options H8, J10, K12, K3E H8, J10, K12, M15 H8, J10, K12, M15 H8, J10, K12, M15BLX Single Channel Wireless Systems Model BLX14 BLX14/PG185 BLX14/B98 BLX14/PG30 BLX24/B58 BLX24/PG58 BLX24/SM58 Application Guitar Presenter Instrument Headset Handheld Handheld Handheld For: Guitar & Bass Presenters, Instructors, Teachers & Clergy Brass, Wind & Percussion Vocalists, Presenters, Aerobics Instructors & Drummers Live Vocals & Podcast/Voiceover Karaoke & Live Vocals Harmonica, Karaoke & Live Vocals Microphone - PG185 Beta 98H/C PG30 Beta 58A PG58 SM58 Operating Principle N/A Condenser Condenser Condenser Dynamic Dynamic Dynamic Polar Pattern N/A Cardioid Cardioid Cardioid Supercardioid Cardioid Cardioid Frequency Response Flat Tailored Tailored Tailored Tailored Tailored Tailored Frequency Options H8, J10, K12, M15 H8, J10, K12, M15 H8, J10, K12, M15 H8, J10, K12, M15 H8, J10, K12, M15 H8, J10, K12, M15 H8, J10, K12, M15