The Shure BLX14/B98 Wireless Instrument System combines professional-quality sound with simple setup and and up to 14 hours battery life for legendary audio performance right out of the box. The system includes BLX4 tabletop single-channel receiver, BETA98H/C gooseneck instrument microphone with BLX1 bodypack transmitter, clip-on clamp, power supply, 2 AA batteries, and user guide.

Product Features

BLX4 Receiver Features

• 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 colour audio status indicator LED
• Green: Normal audio levels
• Red: Excessive audio levels (overload/clipping)
• Not rack-mountable

BLX1 Bodypack Features

• For use as part of BLX and BLX-R Analogue Wireless Systems
• Power and battery status LED
• Adjustable gain control
• Quick and easy frequency matching
• AA batteries provide up to 14 hours of continuous use
• 100 m (300 ft.) operating range (line of sight)

BETA 98H/C Microphone Features

• Features transformerless preamplifier circuitry which improves linearity across the full frequency range
• The pickup pattern provides high gain-before-feedback and excellent rejection of unwanted noise
• Its high maximum sound pressure level (SPL) enables it to handle the extreme demands of brass, woodwind and percussion instruments
• Features a 3 m (10 ft.) high-flex cable with attached preamplifier (XLR connection)
• Tailored frequency response for open, natural sound reproduction
• Compact, lightweight construction provides a low degree of visibility
• Gooseneck, ratcheting swivel joint and gooseneck angle brace allow for optimum placement and fixed positioning

Product Specifications

System Specifications

• Working Range: 91 m (300 ft) Line of Sight Note: Actual range depends on RF signal absorption, reflection and interference.
• Audio Frequency Response: 50 to 15,000 Hz Note: Dependent on microphone type
• 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.

BLX4 Receiver Specifications

• 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: –27 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: 1.57 in. X 7.40 in. X 4.06in. (40 mm X 188 mm X 103 mm) H x W x D
• Weight: 8.5 oz. (241 g)
• Housing: Molded ABS
• Power Requirements: 12–15 V DC @ 235 mA (BLX88, 320 mA), supplied by external power supply (tip positive)

BLX1 Bodypack Specifications

• Audio Input Level
  • max: -16 dBV maximum
  • min (0 dB): +10 dBV maximum
• Gain Adjustment Range: 26 dB
• Input Impedance: 1 MΩ
• RF Transmitter Output: 10 mW, typical (varies by region)
• 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)

Beta 98H/C Specifications

• Cartridge Type: Electret Condenser
• Frequency Response: 20 to 20,000 Hz
• Polar Pattern: Cardioid
• Output Impedance: 150 Ω
• Sensitivity (at 1 kHz, open circuit voltage): –56 dBV/Pa (1.6 mV) (1 Pascal=94 dB SPL)
• Maximum SPL (1 kHz at 1% THD, 1KΩ load): 155 dB SPL
• Equivalent Output Noise (A-weighted): 31 dB SPL (typical)
• Dynamic Range (at 1 kHz, 1KΩ load):
  • 124 dB
  • 132 dB
• Clipping Level (1 kHz at 0.25% THD, 1KΩ load): 3 dBV (1.4 V)
• Signal-to-Noise Ratio (Referenced at 94 DB SPL at 1 kHz): 63 dB
• Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
• Power Requirements: 11–52 VDC phantom power (IEC-61938), 1.2 mA

What's in the Box?

• 1 x BLX4 Wireless Receiver
• 1 x BLX1 Wireless Bodypack Transmitter
• 1 x BETA98H/C Gooseneck Instrument Microphone
• 1 x PS24 Power Supply
• 1 x 95E16526 Carrying Case