Shure BLX288/B58 Dual Beta 58 Wireless Handheld Microphone System

Reinforce two voices with Shure's best-selling BLX wireless. This system includes two Shure Beta 58A wireless handheld mics and a dual-channel receiver.
The Shure BLX288/B58 Wireless Dual Vocal System includes two Beta 58A transmitters. The Beta 58A dynamic vocal microphone is precision-engineered for live performance and project studio recording. A tailored frequency response accentuates vocals, and the supercardioid pattern isolates from other sound sources. It combines simple setup and an intuitive interface for performance you can trust in.

Package Includes:

- BLX88 Dual-Channel Wireless Receiver
- (2) BLX2/B58 Wireless Handheld Transmitters
- 4 AA Batteries
- 2 WA371 Swivel Adapters
- 2 31B1856 Threaded Adapters
- PS42-US Power Supply
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 (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) (Note: Battery characteristics may limit this range)

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.

RF Sensitivity: -105 dBm for 12 dB SINAD, typical
Image Rejection: >50 dB, typical

Dimensions (H x W x D): 1.50 x 12.13 x 3.98" (38 x 308 x 101 mm)
Weight: 15.1 oz. (429 g)
Housing: Molded ABS
Power Requirements: 12-15 V DC @ 235 mA (BLX88, 320 mA), supplied by external power supply (tip positive)
Dimensions and Weight in Packaging
Band H10 (542-572 MHz)
Shipping Weight: 5.25 lbs
Shipping Dimensions: 20 x 16 x 4 in
Manufacturer Part Number (MPN): SHU BLX288B58H10
Band H11 (572-596 MHz)
Shipping Weight: 5 lbs
Shipping Dimensions: 19 x 16 x 4 in
Manufacturer Part Number (MPN): SHU BLX288B58H11
Band H9 (512-542 MHz)
Shipping Weight: 5 lbs
Shipping Dimensions: 19 x 16 x 4 in
Manufacturer Part Number (MPN): SHU BLX288B58H9
Band J11 (596-616 MHz)
Shipping Weight: 5 lbs
Shipping Dimensions: 19 x 16 x 4 in
Manufacturer Part Number (MPN): SHU BLX288B58J11
For support or warranty questions, please contact the manufacturer:
Phone: (800) 516-2525
Email: service@shure.com