Item #: SHU BLX288B58 LIST

Shure BLX288/B58 Dual Beta 58A Handheld Wireless Vocal System

Order Shure BLX288/B58 Dual Beta 58A Handheld Wireless Vocal System from American Musical Supply. Enjoy 0% interest payment plans & free shipping.
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Product Description

The 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.

Wireless Freedom, Made Simple!

Shure BLX 288B58 Dual Handheld Wireless Mic System Features
  • BLX2 Handheld Transmitter:
    • Integrated BETA 58A supercardioid microphone capsule for great vocal clarity
    • -10 dB gain attenuation
    • Lightweight, rugged construction
    • Color ID caps, available separately
  • BLX88 Dual Channel Receiver:
    • One-touch QuickScan frequency selection quickly locates the best open frequency
    • Up to 12 compatible systems per frequency band
    • Two-color audio status LED indicators
    • LED display
    • XLR and 1/4 inch output connectors
Crystal Clear Sound Quality
The system starts with a pair of tuned B58A handheld vocal microphones, each featuring an integrated supercardioid dynamic microphone capsule based on Shure’s legendary SM58 design. With an available -10 dB of gain attenuation, the B58A handheld wireless microphones deliver crystal-clear, distortion-free sound quality that’s perfect for a variety of performance styles. From onstage lead and backup vocals to karaoke, from spoken word to worship applications, the Shure BLX288/B58 Dual-Channel Handheld Wireless System is the right choice for just about any vocal application.

BLX2/B58 Transmitters
Each B58A microphone is constructed with a road-tested ABS polymer chassis and frame for rugged, lightweight performance and they’re designed for maximum efficiency. Just pop in a pair of AA batteries and enjoy 14 hours of continuous operation. A convenient On/Off switch is located on the microphone grip, along with a two-color LED that indicates operational status and battery strength. The transmitter’s generous 300’ line-of-sight range allows for untethered showmanship with no cables to snag or trip over and no faulty jacks to fuss with.

BLX88 Dual-Channel Receiver
The BLX88 dual-channel wireless receiver’s sleek front panel is designed with adjustable gain control and a clear LED display that glows green at normal levels and red when clipping for easy, on-the-fly monitoring. The back panel is simply laid-out and clearly labeled for plug-and-play functionality. The sturdy XLR and 1/4” outputs allow for instant compatibility with nearly any PA system, and the BLX88 handles up to 12 compatible systems per band.

Dependable Wireless Performance
The Shure BLX288/B58 Dual-Channel Handheld Wireless System is easy to set up and adjust. True to its name, the one-touch QuickScan frequency selection feature quickly finds and locks in the best available open frequency for minimal interference, while the BLX88’s microprocessor-controlled internal antenna ensures a steady signal with significantly reduced risk of dropouts.

The Total Package
Unboxed, the Shure BLX288/B58 Dual-Channel Handheld Wireless System includes two B58A handheld transmitters, a BLX88 dual-channel receiver, two microphone clips, a power supply, four AA batteries, and a User Guide. Every Shure product benefits from nearly 85 years of microphone design expertise and decades of wireless technology development. The sleek, compact BLX288/B58 Dual-Channel Handheld Wireless System is no exception. Rather, it’s a quite worthy and surprisingly affordable addition to Shure’s proud lineage.
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Helpful Info about the Manufacturer
Phone:  800-257-4873 Warranty:  Wired Microphones: 2 year; Wireless Systems and Components: 1 year; Personal monitors and components: 1 year; Circuitry products: 1 year

Product Specifications

Shure BLX288/B58 Dual Beta 58 Handheld Wireless Vocal System Specifications

  • Includes:
    • BLX88 Dual-Channel Wireless Receiver
    • (2) BLX2/B58A 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
    • 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)
    • 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.
  • 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:
    • 27 dBV (into 100 kO load)
    • 6.35 mm (1/4") connector
    • 3 dBV (into 100 kO load)
  • RF Sensitivity: -105 dBm for 12 dB SINAD, typical
  • Image Rejection: >50 dB, typical
  • Dimensions: BLX88 1.50 in. X 12.13 in. X 3.98in. (38 mm X 308 mm X 101 mm) H x W x D
  • Weight: BLX88 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)
  • Buy with Confidence:
    • All wireless microphone systems available through AMS are compliant with current FCC rules for safe operation without a license when they leave our warehouse. If you choose to modify a system after purchase, it may no longer be in compliance and may therefore require a license to operate. To learn more about the FCC’s rules regarding wireless microphones (which are subject to change), please call the FCC at 888-CALL-FCC (TTY: 888-TELL-FCC) or visit

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