Shure BLX24R/B58-H9 Handheld Wireless System with BETA®58A Handheld Microphone (Rack Mount) H9 512 - 542 MHz - Open Box
Shure BLX24R/B58-H9 Handheld Wireless System with BETA®58A Handheld Microphone (Rack Mount) H9 512 - 542 MHz - BLX24R/B58-H9
Shure BLX24R/B58-H9 Overview
The BLX24R/B58 Handheld Wireless System with Beta 58A Mic from Shure includes a BLX4R single-channel wireless receiver and a BLX2 handheld transmitter with a Beta 58A microphone cartridge. This system is set to Shure's H9 frequency band between 512 to 542 MHz. The system has up to a 300' line-of-sight range of operation and is designed for easy setup.
The BLX4R receiver's one-touch QuickScan frequency selection finds the clearest available channel and tunes the unit to it. Its front-panel LCD display indicates the group and channel it is tuned to, allowing you to set the BLX2 transmitter to match. A dual-colored LED indicator displays green for normal audio levels and red to alert you if your levels are clipping. The two antennas have microprocessor controlled internal diversity to help prevent interference.
Two included AA batteries provide the BLX2 transmitter with up to 14 hours of operation. You can use up to 12 compatible BLX systems simultaneously per frequency band.
BLX2/B58 Handheld Wireless Transmitter with Beta 58A Microphone Cartridge (H9: 512 - 542 MHz)
The BLX2/58 Handheld Transmitter with Beta 58A Cartridge from Shure is tuned to Shure's H9 frequency band between 512 to 542 MHz MHz and provides a 300' line of sight operating range. It is powered by two included AA batteries for up to 14 hours, and is compatible with Shure BLX wireless systems set to the same frequency band. A padded zipper case and microphone clip are included.
The BLX4R Wireless Rackmount Receiver from Shure is a single-channel receiver set to Shure's H9 frequency band and operates between 512 to 542 MHz. It has dual antennas with microprocessor-controlled internal diversity for reduced signal interference and dropouts. The one-touch QuickScan frequency selection feature allows you to quickly locate the available frequency with the least amount of interference.
The unit features an LCD display for RF and audio level metering while its front-panel dual-color LED status indicator displays green for normal levels and red when clipping. It has an XLR output in additional to an instrument level 1/4" output. A rear-panel control provides output level. The BLX4R can be rackmounted with the included rackmount kit.
|Type||Dynamic (Moving Coil)|
|Frequency Response||50 Hz to 16 kHz|
|Polar Pattern||Supercardioid, rotationally symmetrical about microphone axis, uniform with frequency|
|Output Level||Open Circuit Voltage: -51.5 dBV/Pa* (2.6 mV) *1 Pa = 94 dB SPL|
|Box Dimensions (LxWxH)||11.1 x 5.3 x 3.3"|
BLX4R Single-Channel Wireless Rackmount Receiver (H9: 512 - 542 MHz)
Output 1x XLR Output
1x 1/4" (6.35 mm) Output
Output Impedance XLR: 200 ohms
1/4": 50 ohms
Audio Output Level XLR Connector: -20.5 dBV into 100 kOhms Load (Reference +/-33 kHz with 1 kHz Tone)
1/4": -13 dBV into 100 kOhms Load (Reference +/-33 kHz with 1 kHz Tone)
RF Sensitivity -105 dBm for 12 dB SINAD, Typical Image Rejection >50 dB, Typical Housing Molded ABS, Steel Power Requirement 12 to 15 VDC @ 260 mA, Supplied by External Power Supply (Tip Positive) Dimensions (H x W x D) 2.0 x 7.8 x 6.4" (50 x 198 x 163 mm) Weight 2.2 lb (998 g) Packaging Info Box Dimensions (LxWxH) 18.4 x 14.7 x 3.8"
Tips to Improve Wireless System Performance
If you encounter interference or dropouts, try the following suggestions:
- Choose a different receiver channel
- Reposition the receiver so there is nothing obstructing a line of sight to the transmitter (including the audience)
- Avoid placing transmitter and receiver where metal or other dense materials may be present
- Move the receiver to the top of the equipment rack
- Remove nearby sources of wireless interference, such as cell phones, two-way radios, computers, media players, Wi-Fi devices, and digital signal processors
- Charge or replace the transmitter battery
- Keep transmitters more than two meters (6 feet) apart
- Keep the transmitter and receiver more than 5 meters (16 feet) apart
- During sound check, mark trouble spots and ask presenters or performers to avoid those areas
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