The Shure GLXD14+/SM31 is a wireless headset system that is perfect for vocals and live sound in various contexts. It is well-suited for small-to-medium sized music venues, houses of worship, conference halls, and gyms. This system offers accurate and authoritative vocals with the convenience of a wireless setup.
Operating with brand new dual-band wireless technology, the GLX-D+ scans for the cleanest possible channels within its 2.4 GHz band and 5.8 GHz band. This ensures stable and interference-free performances at all times. The GLX-D+ system also provides automatic pairing between transmitters and receivers, making it incredibly convenient for traveling performers or events with rapid turnarounds. Simply plug in and perform!
A redesigned rechargeable lithium-ion battery offers up to 12 hours of continuous use from a single charge. It also has a quick charge feature that provides 1.5 hours of use from just a 15-minute charge. Included in this system is a bodypack transmitter with an SM31 headset microphone, giving reliability for intense performances and workouts.
The GLX-D+ family operates in both the 2.4 GHz and 5.8 GHz wireless frequency ranges. This dual-band technology offers exceptional RF performance and provides a broader bandwidth for finding clean channels and preventing interference and dropouts. The system automatically selects backup frequencies to switch to in case of sudden interference, ensuring a smooth and clear show.
The battery life of the GLX-D+ system has been extended, offering up to 12 hours of continuous use at the 5.8 GHz band and 17 hours in the 2.4 GHz band. This allows the system to last throughout long events.
The SM31 headset microphone included in this system is designed for a range of events. It is primarily suited for leading fitness sessions or intensive performers, as it is built for durability, reliability, and comfort. With corrosion-proof materials and a fantastic dynamic range, the SM31 can withstand any performance.
Key features of the GLX-D+ system include dual-band digital wireless technology, automatic channel finding, backup frequencies selection, instant pairing between transmitters and receivers, improved battery life, and the inclusion of a bodypack transmitter and SM31 headset microphone.
The GLX-D4+ Dual Band Wireless Receivers have dimensions of 7.2 x 4.8 x 1.6 in (182.8 x 121.97 x 40.3 mm) with folded antennas. They weigh 10.9 oz. (310 g) and are housed in molded plastic. The GLX-D4+ receivers require 14.5 V – 17 V 600 mA power and have a spurious rejection of >35 dB typical. They have a gain adjustment range of -20 to 40 dB in 1 dB steps and offer phantom power protection.
The GLX-D1+ Dual Band Bodypack Transmitter has dimensions of 4.5 x 2.6 x 1.1 in (115 x 66.94 x 28.51 mm) without the antenna. It weighs 5.4 oz. (153.1 g) without the battery and is housed in a cast metal black powdercoat. The GLX-D1+ transmitter requires 3.7 V rechargeable lithium-ion power and has an input impedance of 900 kΩ. It has an RF output power of 10 mW E.I.R.P. max and features a 4-pin male mini connector (TA4M) input.
The SM31 Headset Microphone has a TA4F (TGQ) connector and is a condenser microphone with a frequency response of 45 Hz – 20 kHz. It has a cardioid polar pattern and requires phantom power supplied from the bodypack transmitter. The SM31 has an output impedance of 600Ω and an audio output level of -50 dBV/Pa. It has a signal-to-noise ratio of 66 dB and a maximum SPL of 145.0 dB. The dynamic range is 117 dB, and the equivalent output noise is 28 dB. The cable length is 1.1 m, and the net weight is 60 g.
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