Shure
Shure BLX4=-H9 Single Channel Wireless Receiver H9 Band
★★★★★
Shure BLX4 wireless receiver delivers professional-grade audio with up to 300-foot range and support for 12 simultaneous channels.
$175.00*
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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.
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Overview
Key Features
H9 (512–542 MHz) UHF FREQUENCY BAND: Operates on the H9 (512–542 MHz) UHF frequency band for dependable wireless audio transmission in regions where this spectrum is authorized. Verify local compliance before ordering.
RELIABLE WIRELESS RANGE: Provides dependable audio reception up to 300 ft (91 m) line-of-sight under typical conditions, helping maintain stable wireless performance for live events and presentations.
BLX SYSTEM RECEIVER ONLY: Includes BLX4 single-channel receiver and power supply. Compatible with BLX1 bodypack and BLX2 handheld transmitters. Transmitters and microphones are sold separately.
QUICKSCAN FREQUENCY SELECTION: One-touch QuickScan frequency selection automatically finds a clean RF channel to help reduce interference during setup.
PROFESSIONAL AUDIO CONNECTIVITY: Features XLR and 1/4-inch outputs for mixers and PA systems, with LED indicators for signal status and Shure UHF design for reliable performance.
Specifications
Brand
Shure
Model
BLX4=-H9
Wireless Frequency Band
H9
Number of Channels
1
Max Channels per Band
12
Operating Range
Up to 300 ft (100 m)
Connectivity
XLR Output
Audio Output Mode
Stereo
Power Source
Included power supply (receiver); 2 AA batteries (transmitter)
Transmitter Battery Life
Up to 14 hours
Warranty
2 Years
Pros & Cons
👍 Pros
- Operates up to 300 feet of wireless range, suitable for small to mid-size venues
- Supports up to 12 simultaneous channels in the H9 band for multi-performer setups
- Simple setup process with a user-friendly front-panel interface
- Backed by Shure's reputation for durable, professional-grade wireless audio gear
- Includes a two-year warranty at no additional cost
👎 Cons
- Receiver only — transmitter and microphone must be purchased separately, adding to total cost
- Must be frequency-matched to H9 band transmitters, limiting compatibility if you own other bands
- Single-channel design means each additional performer requires another receiver unit
- No built-in rechargeable battery option for the paired transmitters — requires AA batteries
Frequently Asked Questions
Is the BLX4 receiver a complete wireless system?
No, the BLX4 is the receiver component only. You need a compatible Shure BLX series transmitter (BLX1 bodypack or BLX2 handheld), sold separately, matched to the same H9 frequency band.
How many wireless channels can the BLX4 support simultaneously?
A single BLX4 unit handles one channel. However, you can run up to 12 BLX4 receivers in the same H9 frequency band for multi-channel setups.
What is the H9 frequency band, and how do I know if it works in my area?
The H9 band operates on a specific frequency range designated by Shure. Before purchasing, use the Shure Wireless Frequency Finder tool on their website to confirm the H9 band is approved and available in your region.
What outputs does the BLX4 receiver provide?
The BLX4 provides an XLR output for connecting to mixers, powered speakers, or audio interfaces, along with a quarter-inch headphone output for monitoring.
What comes in the box with the BLX4 receiver?
The package includes the BLX4 single-channel receiver, a power supply, and a user guide. A free two-year warranty is also included.
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