Description
The Shure GLXD14+/SM35-Z3 (GLXD14+ SM35, GLX-D+ with SM35) is a dual-band digital wireless headset system for singers, multi-instrumentalists and presenters, pairing the SM35 cardioid condenser performance headset with a GLXD1+ bodypack and a GLXD4+ tabletop receiver. It operates in both 2.4 GHz and 5.8 GHz, runs up to 12 hours on the included SB904 rechargeable battery, and the SM35 headset weighs 2.53 oz (72 g).
The SM35's tight cardioid pattern rejects bleed and feedback on loud stages and in front of floor monitors, and its flexible gooseneck lets you set the capsule at the corner of the mouth. Automatic frequency management finds a clear channel and moves away from interference without interrupting the audio.
GLXD14+/SM35-Z3 specifications
| System | GLXD1+ bodypack transmitter, GLXD4+ tabletop receiver, SM35 headset microphone |
|---|---|
| Frequency bands (Z3) | 2.4 GHz (2400 to 2483.5 MHz) and 5.8 GHz (5725 to 5850 MHz), dual band |
| Transmission | Shure proprietary digital, true digital diversity, automatic frequency management |
| Audio frequency response (system) | 20 Hz to 20 kHz |
| Dynamic range | 122 dB, A-weighted |
| Total harmonic distortion | 0.2%, typical |
| RF output power | 10 mW E.I.R.P. maximum |
| Channel count | Up to 4 typical, 8 optimal (2.4 GHz only: up to 4 typical, 5 optimal) |
| Receiver outputs | XLR (balanced, mic level) and 1/4 in (6.35 mm) |
| Receiver gain range | -20 to 40 dB, 1 dB steps |
| Receiver dimensions | 7.2 x 4.8 x 1.6 in (182.82 x 121.97 x 40.3 mm), antenna folded |
| Receiver weight | 10.9 oz (310 g) |
| Receiver power | PS43 power supply, 14.5 to 17 V DC, 600 mA |
| Transmitter dimensions | 4.5 x 2.6 x 1.1 in (115 x 66.94 x 28.51 mm) |
| Transmitter weight | 5.4 oz (153.1 g) without battery |
| Transmitter housing | Aluminum alloy and ABS plastic |
| Battery | SB904 lithium-ion rechargeable, up to 12 hours (the user guide spec table lists up to 11.5 hours); charges in the receiver's charging bay or over USB-C |
| Microphone | SM35 cardioid (unidirectional) electret condenser headset |
| Microphone frequency response | 40 Hz to 20 kHz (SM35 user guide) |
| Microphone maximum SPL | 151.3 dB SPL at 1 kHz, 1% THD (measured with RPM400 preamp) |
| Microphone power | +5 V DC bias from the bodypack (TA4F) |
| Microphone cable and connector | 45 in (1.1 m), TA4F (TQG) 4-pin mini |
| Microphone weight | 2.53 oz (72 g) |
| Operating temperature | 32 to 113 F (0 to 45 C) |
| Color | Black |
| In the box | PS43 power supply, SB904 lithium-ion rechargeable battery, black carrying case (with the GLXD1+, GLXD4+ and SM35) |
Who is the GLXD14+/SM35 for?
Performers who sing while their hands are busy, such as multi-instrumentalists who sing while they play, plus presenters who move around a stage. Shure designed the SM35 for hands-free live vocals, from small clubs to large installations.
Will the SM35 feed back near stage monitors?
It is built to resist it. The tight cardioid polar pattern rejects off-axis sound, which reduces feedback and signal bleed when you work in front of floor monitors.
Does it work alongside Wi-Fi and other wireless systems?
Yes. It uses both 2.4 GHz and 5.8 GHz and automatically moves away from interference without an audio dropout. Shure rates up to 4 systems typical and 8 optimal together; keep the receiver at least 10 feet away from Wi-Fi access points and computers.
How long does the battery last?
Up to 12 hours per charge from the included SB904 lithium-ion battery. It charges in the bay built into the GLXD4+ receiver or over USB-C, and the receiver shows remaining runtime in hours and minutes.
GLXD14+/SM35 or GLXD14+/SM31?
Same GLXD1+ bodypack and GLXD4+ receiver, different headset. The SM35 here is a performance vocal headset, 2.53 oz (72 g), with a tight cardioid pattern for loud stages. The GLXD14+/SM31-Z3 uses the SM31FH fitness headset, 2.1 oz (60 g), with hydrophobic materials that repel sweat, and a 45 Hz to 20 kHz response tailored for speech. The GLXD14+/PGA31-Z3 pairs the same receiver with the PGA31 headset.
Is there a rack-mount version?
Yes. The GLXD14R+/SM35 uses the GLXD4R+ steel half-rack receiver, 7.7 x 6.4 x 1.6 in and 30.5 oz (866 g), which also connects to the GLX-D+ Frequency Manager for up to 16 optimal channels. See every system in Shure GLX-D+ Wireless Systems, and add a spare SB904 battery for long gigs.
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Military & First Responder Discounts
We're proud to support those who serve. Active-duty military, veterans, and first responders qualify for a special discount on your gear. See our Military Discount details here and how to redeem.