The Shure BLX188UK/CVL-K3E is the K3E band variant of the Shure BLX analogue UHF wireless system. The system ships with a BLX88 dual-channel tabletop receiver, two bodypack transmitters and two Shure Centraverse CVL cardioid condenser lavaliers. It is intended for presenters, houses of worship, conference and theatre applications that need two simultaneous lavalier channels.
Licensing
In the UK, 606 to 613.5 MHz falls under Ofcom’s Channel 38 shared licence; frequencies above 613.5 MHz within the K3E tuning range require a site-specific coordinated PMSE licence from Ofcom. Operators must hold the appropriate licence before use.
Key Features
✓Operates in the K3E (606 to 630 MHz) UHF band
✓Analogue FM transmission at 10 mW RF output
✓Up to 91 m (300 ft) line-of-sight working range
✓QuickScan frequency selection finds a clear channel automatically
✓Microprocessor-controlled internal antenna diversity
✓Audio frequency response 50 Hz to 15 kHz
✓Dynamic range 100 dB A-weighted (typical)
✓Total harmonic distortion 0.5 percent typical
✓Two independent BLX channels in a single chassis
✓Compact tabletop chassis with internal antennas
✓Balanced XLR and unbalanced 1/4-inch audio outputs on the receiver
✓BLX1 bodypack transmitter with TA4F (TQG) input connector
Specifications
| Brand | Shure |
| Model | BLX188UK/CVL-K3E |
| System family | BLX Wireless |
| Band | K3E (606 to 630 MHz) |
| Transmission | Analogue FM |
| RF output power | 10 mW |
| Audio frequency response | 50 Hz to 15 kHz |
| Dynamic range | 100 dB (A-weighted, typical) |
| Total harmonic distortion | 0.5 percent typical |
| Working range | 91 m (300 ft) line of sight |
| Receiver | BLX88 dual-channel tabletop, internal antennas |
| Transmitter | BLX1 bodypack, TA4F (TQG) input |
| Microphone | Shure Centraverse CVL cardioid condenser lavalier |
| Transmitter battery | 2 x AA, up to 14 hours runtime |
