SHURE BLX288E/B58-K3E Microphone
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Description
Description
Shure BLX288E/B58-K3E Dual Wireless Vocal System with Beta 58A Microphones
The Shure BLX288E/B58-K3E is a professional two-channel wireless system that allows two microphones to be used simultaneously with a single compact receiver. This set is designed for vocal duos, event hosts, and bands looking for superior sound quality and easy operation. The system comes with two handheld transmitters featuring Beta 58A supercardioid dynamic capsules. Unlike standard microphones, the Beta 58A offers higher sensitivity and better isolation from ambient noise, ensuring clear and crisp vocals even on a noisy stage.
The system operates in the K3E frequency band (606–630 MHz) and uses "QuickScan" technology, which finds the best available frequency for both transmitters with a single button press. The BLX88 dual receiver features microprocessor-controlled internal antenna diversity, ensuring a stable connection and reducing the risk of signal dropouts. The transmitters operate for up to 14 hours on standard AA batteries, providing freedom of movement up to 100 meters.
Key Features
- System: Dual (two microphones, one receiver) vocal system.
- Capsules: 2 x Shure Beta 58A (Supercardioid) – increased resistance to feedback and background noise.
- Frequency Band: K3E (606–630 MHz).
- Setup: "QuickScan" function quickly finds available frequencies.
- Stability: Microprocessor-controlled internal antenna diversity.
- Number of Systems: Up to 12 compatible systems can be used in one group.
- Power: Up to 14 hours of operation with 2 x AA batteries for each microphone.
- Indication: LED indicators for audio level and battery status.
Technical Specifications
- Type: Analog dual wireless UHF system
- Frequency Band: K3E (606–630 MHz)
- Audio Frequency Response: 50 Hz – 16,000 Hz
- Dynamic Range: 100 dB (A-weighted)
- Total Harmonic Distortion (THD): 0.5% (typical)
- Operating Range: Up to 100 meters (line of sight)
- Transmitter Power: 10 mW
- Receiver Outputs (per channel): XLR Male connector and 6.3 mm Female connector
- Output Impedance: XLR: 200 Ω, 6.3 mm: 50 Ω
- Receiver Dimensions (BLX88): 40 x 388 x 116 mm
- Receiver Weight: Approx. 429 g
- Transmitter Weight: Approx. 218 g (without batteries)
Included in the Box
- 1 x BLX88 Dual wireless receiver
- 2 x BLX2 Handheld transmitters with Beta 58A capsules
- 2 x Microphone clips (break-resistant)
- 1 x Power supply (PS24)
- 4 x AA batteries
Ideal For
- Vocal duos and bands.
- Event hosts (when two microphones are needed).
- Performances on noisy stages (clubs, halls).
- Schools, churches, and conferences.

