Featuring the industry standard SM58® vocal microphone, the new GLXD24+/SM58 Dual Band Vocal System delivers superior, transparent digital audio. The perfect combination of the 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 SM58® Vocal Microphone: The SM58 is known as the world’s most popular performance microphone. It is an instantly recognisable icon for performance and can be seen in the hands of anyone from Pop Idols and Presidents, to Podcasters, Poets and MC’s It is also a very effective microphone for live streaming and podcasting. Simply connect the SM58 to either an MVi, an X2U, or your audio interface of choice. The new GLXD4+ Dual Band Tabletop Receiver delivers exceptional digital audio clarity. The perfect combination of the automatic frequency management with the new Dual Band Technology provides reliable and consistent performance. Go wireless without complication. Specifications Housing Molded Plastic Power Requirements 14.5 V - 17 V, 600mA 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 - 100 O 6.35 mm (1/4“) output - 100 O (50 O, Unbalanced) Maximum Audio Output Level XLR connector (into 600 O load) 1 dBV 6.35 mm (1/4“) connector (into 3 kO load) +8.5 dBV Pin Assignments XLR Output - 1=ground, 2=hot, 3=cold 6.35 mm (1/4“) connector - Tip=audio, Ring/Sleeve=ground RECEIVER ANTENNA INPUT Impedance 50 O Antenna Type Dual Band 1/2 Wave Sleeve Dipole, non-removable Maximum Input Level -20 dBm