Shure SM Wireless Rack-Mount System With MX153 Earset Mic (BLX14UK-MX53)

Professional subminiature earset microphone with rack-mount analogue (BLX) wireless transmission. 

• Band: K3E
• Range: 606 to 630 MHz
• Power Output: 10 mW

The Shure Microflex MX153 is a professional subminiature earset microphone ideal for speech and other applications requiring low-profile discreet placement where improved gain before feedback over lavalier microphones is desired. With rack-mount analogue wireless transmission.

Shure 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.

Includes MX153 earset microphone, BLX1 bodypack transmitter, BLX4R rack mount receiver, single and dual rackmount kit, two 1/4 wave antennas, zipper bag, power supply, 2 AA batteries, and user guide.

SYSTEM TECHNICAL SPECIFICATIONS

• Compatible systems per frequency band (up to): 12
• Selectable frequencies: Up to 150
• Auto Setup Features: QuickScan : Finds group with most compatible frequencies and sets to best frequency
• Audio Reference Companding: Yes
• Included Antennas: BLX4, BLX88: Internal, BLX4R: Detachable
• Antenna Options: No
• Receiver Network Ability: No
• PC Control: No
• Rack Hardware: URT2 (not included), Rack mount brackets (only with rackable/BLX-R Sets)
• Case: Included Only with BLX4 Sets
• Transmitter Display: LED
• Receiver Display: BLX4, BLX88: LED, BLX4R: High-resolution LCD screen
• Battery, Endurance: 2AA, up to 14h
• Environment: Daily Touring

FURTHER TECHNICAL SPECS

• Operating Range: 91 m ( line of sight - actual range depends on RF signal absorption, reflection and interference)
• Available Frequencies: Between 524–865 MHz (available frequencies depend on applicable regulations in country where system used)
• Audio Range: 50–15,000 Hz (dependent on microphone type)
• Transmitter RF Output Power: 10 mW, typical (varies by region)
• Audio Output Connector: XLR and 1/4" (6.3 mm) unbalanced Maximum Output Level: -27 dBV (XLR, mic level), -13 dBV (1/4")
• Battery Life: Up to 14 hours
• Dynamic Range: 100 dB A-weighted
• System Distortion: 0.5% THD typical (ref. +/- 38 kHz deviation, 1 kHz tone)
• Operating Temperature Range: -18°C (0°F) – +50°C (122°F)
• Power Requirements: BLX1, BLX2: 2 AA alkaline or rechargeable batteries
• BLX88: 12–18 V DC at 320 mA, supplied by external power supply

COMPONENT SPECIFICATIONS:

BLX4R RECEIVER

• Output Impedance:
• - XLR connector: 200 O
• - 6.35 mm (1/4") connector: 50 O
• Audio Output Level, Ref. ±33 kHz deviation with 1 kHz tone:
• - XLR connector: –20.5 dBV (into 100 kO load)
• - 6.35 mm (1/4") connector: –13 dBV (into 100 kO load)
• RF Sensitivity: -105 dBm for 12 dB SINAD, typical
• Image Rejection: >50 dB, typical
• Dimensions: 45 mm X 198 mm X 163 mm H x W x D
• Weight, without antennas: 998 g
• Housing: Molded ABS, steel
• Power Requirements: 12–15 V DC @ 260 mA, supplied by external power supply (tip positive)

BLX1 BODYPACK TRANSMITTER

• Audio Input Level:
  • - gain max: -16 dBV maximum
  • - gain 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: 110 mm x 64 mm x 21 mm (H x W x D)
• Weight: 75 g, without batteries
• Housing: Molded ABS
• Power Requirements: 2 LR6 AA batteries, 1.5 V, alkaline
• Battery Life: up to 14 hours (alkaline)