The 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.
Rack-mountable and featuring rugged metal construction, the BLX4R offers simple setup and intuitive controls. One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference. Removable antennas allow for quick antenna distribution. (Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation).
Featuring an integrated BETA 58A microphone cartridge, the precision-engineered BLX2/B58 Handheld Wireless Microphone Transmitter delivers wireless audio with professional clarity and reliability. It is a supercardioid dynamic microphone that is optimized for lead vocal applications. It has adjustable gain control along with power and battery status LED. It's operating rage (line of sight) is 300 ft (91 m).
Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.
BLX24R/B58 Handheld Wireless System:
BLX4R Rack Mount Receiver:
BLX2/BETA58 Handheld Transmitter:
| System | |
|---|---|
| Working Range | 300 ft (91 m) Line of Sight |
| Audio Frequency Response | 50 to 15,000 Hz |
| 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) |
| BLX4R Rack Mount Receiver | |
| Output Impedance | XLR connector: 200 Ω 1/4” (6.35 mm) connector: 50 Ω |
| Audio Output Level Ref. ±33 kHz deviation with 1 kHz tone | XLR connector: –20.5 dBV; 1/4” (6.35 mm) connector: –13 dBV (into 100 kΩ load) |
| Image Rejection | >50 dB, typical |
| Housing | Molded ABS, steel |
| Power Requirements | 12–15 V DC @ 260 mA, supplied by external power supply (tip positive) |
| Dimensions (H x W x D) | 1.97" (50 mm) X 7.80" (198 mm) X 6.42" (163 mm) |
| Weight (without antennas) | 35.20 oz (998 g) |
| BLX2 Handheld Transmitter | |
| Audio Input Level | Gain:- 0dB: -20 dBV maximum-10dB: -10 dBV maximum |
| Gain Adjustment Range | 10 dB |
| RF Transmitter Output | 10 mW, typical |
| Housing | Molded ABS |
| Power Requirements | 2 LR6 AA batteries, 1.5 V, alkaline |
| Battery Life | Up to 14 hours (alkaline) |
| Dimensions (H x Diameter) | 8 7/8" (224 mm) x 2 1/8" (53 mm) |
| Weight | 0.48 lbs (218 g) (without batteries) |
| BETA 58A Vocal Microphone | |
| Type | Dynamic (moving coil) |
| Frequency Response | 50 to 16,000 Hz |
| Polar Pattern | Supercardioid |
| Output Level (at 1,000 Hz) | Open Circuit Voltage: -51.5 dBV/Pa* (2.6 mV) |
| Impedance | Rated impedance is 150 Ω (290 Ω actual) for connection to microphone inputs rated low Z |
| Phasing | Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3 |
| Battery Life | Up to 14 hours |
| Case | Silver blue enamel-painted die cast metal with hardened, mattefinished, spherical steel mesh grille |
| Adjustable, Stand Adapter | Slip-in microphone mounting, unbreakable, adjustable through 180° with standard 5/8"-27 thread |
| Dimensions (H x Diameter) | 6.5" (160 mm) x 2" (50 mm) |
| Weight (Without Batteries) | 7.7 oz (218 g) |
Usually arrives in 5-9 business days.
Usually arrives in 5-9 business days.
Usually arrives in 5-9 business days.
Usually arrives in 5-9 business days.
Usually arrives in 5-9 business days.
