The Shure GLXD14+UK/PGA31-Z4 is the Z4 band variant of the Shure GLX-D+ dual-band digital wireless system. The system ships with a GLXD4+ tabletop single-channel digital receiver, bodypack transmitter and a Shure PGA31 cardioid condenser headset. It is intended for fitness instructors, presenters, theatre, houses of worship and education.
Licensing
The Z4 variant operates in the 2.4 GHz and 5.8 GHz licence-exempt ISM bands, so no Ofcom PMSE licence is required for use in the UK.
Key Features
✓Dual-band digital operation across the 2.4 GHz and 5.8 GHz licence-exempt ISM bands
✓24-bit digital audio with a 20 Hz to 20 kHz frequency response
✓Automatic frequency management with seamless channel switching if interference appears
✓Up to 11 active GLX-D+ channels per environment with the optional GLXD+FM frequency manager (four without)
✓Up to 100 ft (30 m) indoor and 65 ft (20 m) outdoor typical working range
✓Shure SB904 rechargeable lithium-ion transmitter battery
✓Up to 17 hours of runtime at 2.4 GHz and 12 hours at 5.8 GHz on a full charge
✓15-minute quick charge for approximately 1.5 hours of runtime
✓Compact tabletop chassis with integrated dual-band antennas
✓Balanced XLR and 1/4-inch outputs on the rear panel
✓GLXD1+ bodypack transmitter with TA4F (TQG) input connector
✓Supplied with the Shure PGA31 cardioid condenser headset
Specifications
| Brand | Shure |
| Model | GLXD14+UK/PGA31-Z4 |
| System family | GLX-D+ Dual Band Digital Wireless |
| Band | Z4 (2.4 GHz and 5.8 GHz ISM) |
| Transmission | 24-bit digital, dual-band 2.4 GHz and 5.8 GHz |
| Audio frequency response | 20 Hz to 20 kHz |
| Working range | 30 m (100 ft) indoor, 20 m (65 ft) outdoor typical |
| Max simultaneous channels | Up to 11 with GLXD+FM frequency manager (4 without) |
| Transmitter battery | Shure SB904 rechargeable lithium-ion |
| Battery runtime | Up to 17 hours at 2.4 GHz / 12 hours at 5.8 GHz |
| Receiver | GLXD4+ tabletop single-channel, integrated dual-band antennas |
| Receiver outputs | Balanced XLR and balanced 1/4-inch TRS |
| Transmitter | GLXD1+ bodypack, TA4F (TQG) input |
| Microphone | Shure PGA31 cardioid condenser headset |











