Shure GLXD14+/SM31
- Exceptional digital audio clarity
- Compatible with multiple legendary microphone options
- Automatically moves away from interference without audio interruption
- Operates in 2.4 and 5.8 GHz spectrum
$999.00
Digital Wireless Headset System w/SM31 Headset Microphone
The new GLX-D+ Dual Band Wireless Headset System features the versatile SM31FH Headset Microphone for spoken word applications and the GLXD4+ tabletop receiver. The perfect combination of automatic frequency management with the new Dual Band Technology provides reliable and consistent performance, while Shure proprietary Lithium-Ion rechargeable batteries provide up to 12 hours of use. Go wireless without complication.
FEATURES
- Exceptional digital audio clarity
- Compatible with multiple legendary microphone options
- Automatically moves away from interference without audio interruption
- Operates in 2.4 and 5.8 GHz spectrum
- Rechargeable battery delivers up to 12 hours of runtime
- Rock-solid RF performance for multiple system installations
- License-free frequency range
| Brands | Shure |
|---|---|
| Product Type | Earphones, Wireless Receivers |
Performance
| Frequency Range | H20: 518-542 MHz |
| RF Output Power | 10, 20, 30 mW
Note: varies by region |
| RF Output Impedance | 50 Ohms (typical) |
| Transmission Range | 300′ (90 m) |
Audio Input
| Connector Type | 1/4″ TRS (6.35 mm) |
| Polarity | Tip positive with respect to ring |
| Configuration | Electronically balanced |
| Impedance | 40 kOhms (actual) |
| Nominal Input Level | Switchable, +4 dBu, -10 dBV |
| Maximum Input Level | +4 dBu: +22 dBu
-10 dBV: +12.2 dBu |
| Pin Assignments | Tip=hot, Ring=cold, Sleeve=ground |
| Phantom Power Protection | Up to 60 VDC |
Audio Output
| Connector Types | 1/4″ TRS (6.35 mm) |
| Configuration | Electronically balanced |
| Impedance | Connected directly to inputs |
General
| Antenna | 1/4 wave, detachable |
| Power Requirement | 12 to 15 VDC, 260 mA maximum |
| Dimensions | 1.7 x 7.8 x 6.8″ (43 x 198 x 172 mm) |
| Net Weight | 27.6 oz (783 g) |
Packaging Info
| Package Weight | 6.155 lb |
| Box Dimensions (LxWxH) | 18.3 x 14.9 x 3.8″ |
Shure PSM 300 Twin-Pack ProSpecs
| Frequency Range | H20: 518-542 MHz |
| RF Sensitivity | Active: 2.2 μV (at 20 dB SINAD) |
| Image Rejection | > 90 dB |
| Adjacent Channel Rejection | > 60 dB |
| Intermodulation Attenuation | > 50 dB |
| Blocking | > 60 dB |
| Audio Output Power | 80 mW per output (1 kHz at < 1% distortion, peak power, at 32 Ohms) |
| Minimum Load Impedance | 16 Ohms |
| Headphone Output | 1.8″ (3.5 mm), stereo |
| Continuous Battery Life | 4 to 5.5 hours, AA batteries
5.5 to 7 hours, SB900 battery (available separately) |
| Dimensions | 3.8 x 2.5 x 0.9″ (99.0 x 66.0 x 23.00 mm) |
| Net Weight | 6.9 oz (196 g), with batteries |
Packaging Info
| Package Weight | 1 lb |
| Box Dimensions (LxWxH) | 11.1 x 5.2 x 3.2″ |
Shure PSM 300 Twin-Pack ProSpecs
Key Specs
| Wearing Style | Dual Wired Earbud with Behind-Ear Cabling |
| Number of Drivers | 1 per Earpiece |
| Impedance | 17 Ohms |
| Active Noise Cancellation | No |
| Frequency Response | 22 Hz to 17.5 kHz |
| Built-In Mic | No |
| Audio Connector | 1x 1/8″ / 3.5 mm TRS Right-Angled |
| Included Adapter | No |
Headphone
| Wearing Style | Dual Wired Earbud with Behind-Ear Cabling |
| Earpiece Design | In-Ear (Intra-Aural) |
| Open/Closed-Back | Closed-Back |
| Sound Field | Stereo |
| Number of Drivers | 1 per Earpiece |
| Driver Type | Dynamic |
| Impedance | 17 Ohms |
| Active Noise Cancellation | No |
| Frequency Response | 22 Hz to 17.5 kHz |
| Sensitivity | 107 dB SPL/mW at 1 kHz |
| Built-In Controls | No |
| Built-In Mic | No |
Connectivity
| Audio Connector | 1x 1/8″ / 3.5 mm TRS Right-Angled |
| Included Adapter | No |
| Cable Design | Detachable / Straight |
| Audio Connector to Earpiece | MMCX |
| Cable Length | 3.81′ / 1.16 m |
Physical
| Color | Clear |
| Environmental Resistance | No |
| Weight | 1.1 oz / 30 g |
Packaging Info
| Package Weight | 0.325 lb |
| Box Dimensions (LxWxH) | 7.85 x 3.15 x 2.05″ |
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