Shure GLX-D+ Dual Band Wireless Headset System with SM31FH and GLXD4+ Tabletop Receiver

The Shure GLXD14+/SM31 is a wireless headset system that's perfect for vocals and live sound in a range of contexts. Well-suited to 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+ will scan for the cleanest possible channels within its 2.4 GHz band as well as its 5.8 GHz band, for stable and interference-free performances always.

The GLX-D+ system also provides automatic pairing between transmitters and receivers, making it incredibly convenient for travelling 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, and a quick charge feature that gives 1.5 hours of use from a 15-minute charge. Included in this system is a bodypack transmitter with a SM31 headset microphone, giving reliability for intense performances and workouts.

All-new dual-band technology

A new development for this revised system, the GLX-D+ family operate in both 2.4 GHz and 5.8 GHz wireless frequency ranges. Both digital and license-free in most countries worldwide this new design more than doubles the available bandwidth this system has to find a clean, clear channel for the best sound quality and stability feasible. This system will automatically scan to find a suitable channel when turned on, without you needing to press a button. Not only that, but the system will select backup frequencies to jump to if interference does unexpectedly appear, keeping your show running smoothly, clearly and without dropouts.

Extended battery life

Shure have taken lengths to redesign the GLX-D+ lithium-ion battery pack to extend its use. Now offering up to 12 hours of continuous use at the 5.8 GHz band, and 17 hours in the 2.4 GHz band, this system can last throughout long events.

SM31 included

The SM31 is designed for a range of events. Primarily suited to leading fitness sessions or intensive performers, this headset is built for durability, reliability, and comfort. Rounded out with corrosion-proof materials to protect its condenser capsule, and fantastic dynamic range, the SM31 is there with you no matter what you throw at it.

Features

• Dual-band digital wireless system provides exceptional RF performance
• Operates in both 2.4 GHz and 5.8 GHz wireless frequency ranges for broader bandwidth
• Ease of finding clean channels to prevent interference and dropouts
• Automatically selects backup frequencies to switch to in case of sudden interference
• Instantly pairs transmitters and receivers for quick and easy setup
• New and improved rechargeable lithium-ion battery delivers up to 12 hours of battery life
• Quick-charge function gives you 1.5 hours of battery from a 15 minute charge
• Includes bodypack transmitter and SM31 headset microphone
• Removable and adjustable dual antennas on receiver for excellent signal stability

Specifications

GLXD4+ Dual Band Wireless Receivers

• Dimensions (H x W x D): 7.2 x 4.8 x 1.6 in (182.8 x 121.97 x 40.3 mm), antennas folded
• Weight: 10.9 oz. (310 g)
• Housing: Molded plastic
• Power Requirements: 14.5 V - 17 V, 600 mA
• Spurious Rejection: >35 dB, typical
• Gain Adjustment Range: -20 to 40 dB in 1 dB steps
• Phantom Power Protection: Yes
• Configuration:
• XLR Output: Impedance balanced
• 6.35 mm (1/4") Output: Impedance balanced
• Impedance:
• XLR Output: 100Ω
• 6.35 mm (1/4") Output: 100Ω (50Ω, Unbalanced)
• Maximum Audio Output Level:
• XLR Connector: 1 dBV (into 600Ω load)
• 6.35 mm (1/4") Connector: +8.5 dBV (into 3kΩ load)
• Pin Assignments:
• XLR Output: 1=ground, 2=hot, 3=cold
• 6.35 mm (1/4") Output: Tip=audio, Ring/Sleeve=ground
• Receiver Antenna Input Impedance: 50Ω
• Antenna Type: Dual Band 1/2 Wave Sleeve Dipole, non-removable
• Maximum Input Level: -20 dBm

GLXD1+ Dual Band Bodypack Transmitter

• Dimensions (H x W x D): 4.5 x 2.6 x 1.1 in (115 x 66.94 x 28.51 mm), without antenna
• Weight: 5.4 oz. (153.1 g), without battery
• Power Requirements: 3.7 V rechargeable, lithium ion
• Housing: Cast metal, black powdercoat
• Input Impedance: 900 kΩ
• RF Output Power: 10 mW E.I.R.P. max.
• Input Connector: 4-pin male mini connector (TA4M)
• Input Configuration: Unbalanced
• Maximum Input Level (1 kHz at 1% THD): +8.4 dBV (7.5 Vp-p)
• Antenna Type: Dual Band Internal Monopole
• Pin Assignments TA4M:
• 1: Ground (cable shield)
• 2: +5 V bias
• 3: Audio
• 4: Tied through active load to ground (On instrument adapter cable, pin 4 floats)

SM31 Headset Microphone

• Connector: TA4F (TGQ)
• Type: Condenser
• Frequency Response: 45 Hz - 20 kHz
• Polar Pattern: Cardioid
• Phantom Power Requirement: Supplied from bodypack
• Output Impedance: 600Ω
• Audio Output Level: -50 dBV/Pa
• Signal-To-Noise Ratio: 66 dB
• Maximum SPL: 145.0 dB
• Dynamic Range: 117 dB
• Equivalent Output Noise: 28 dB
• Cable Length: 1.1 m
• Net Weight: 60 g